Which of the following describes something an engineer would probably do
first when developing new technology meant to reduce ocean pollution?
O
A. Research new scientific findings in regard to ocean cleanup.
O
B. Identify the need to reduce ocean pollution.
D
C. Research what has been done in the past to clean up oceanic oil
residue.
D. Evaluate the benefits and challenges of using certain chemicals to
purify water
SUBMIT

Answers

Answer 1

Final answer:

The initial step an engineer takes when developing technology to combat ocean pollution is to identify the pollution reduction need, consider the effectiveness of existing methods, and understand the impacts on marine life and biodiversity.

Explanation:

When an engineer is developing new technology to reduce ocean pollution, the first step they would likely take is to identify the need to reduce ocean pollution. This involves understanding the problems caused by pollutants, such as how oil spills can cover the surface of the ocean, reducing light and oxygen penetration and adversely affecting marine life. Engineers must also consider the effectiveness of current methods for dealing with pollution, such as the use of chemicals and bioremediation for oil clean-up, and the impacts of those methods on marine biodiversity and ecosystems. This foundational step frames the direction of subsequent research and design efforts aimed at creating new, effective solutions.


Related Questions

White light is made up of
A.
only the types of visible light with very long wavelengths.

B.
ultraviolet light and gamma rays.

C.
a spectrum of many different colors of light.

D.
infrared light and radio waves.

Answers

Answer:

C. a spectrum of many different colors of light.

Explanation:

White light is made up of all the colors and all wavelengths.

Answer:

c

Explanation:

Question 1
a. How many grams of sucrose would you dissolve in
water for a total volume of 500 mL to make a 5%
(weight/volume) solution?​

Answers

actually it is 5% of 100 is 5

Therefore, 5% of 500 is 5 x 5 = 25g

Taking into account the definition of weight / volume percentage (% w/v), the mass of sucrose would be 25 grams.

In first place, it is necessary to know that a solution is a mixture of two or more components, perfectly homogeneous since each component is intimately mixed with the other, in such a way that they lose their individual characteristics.

The latter means that the constituents are indistinguishable and the whole is presented in a single well-defined phase.

In a solution, a solute is that component that is found in the least amount and is the one that dissolves, while the solvent is that component that is in the greatest amount and is the medium that dissolves the solute.

The weight / volume percentage (% w/v) expresses the grams of solute that are dissolved in 100 mL of solution.  The expression for its calculation is:

[tex]weight/volume percentage=\frac{mass solute}{volume solution}x100[/tex]

In this case, you know that:

weight / volume percentage= 5% mass solute= ?volume solution= 500 mL

Replacing:

[tex]5=\frac{mass solute}{500 mL} x100[/tex]

Solving:

[tex]mass solute=\frac{5x500 mL}{100}[/tex]

mass solute= 25 grams

In summary, the mass of sucrose would be 25 grams.

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What is bigger 56cm or 6m?

Answers

6 meters is definitely bigger

6 meters is a longer distance. It takes 100 centimeters to equal 1 meter.

HOPE IT HELPS :)

12. Describe the results of a chemical change. List four
indicators of chemical change.

Answers

Answer:

1. Color Change

2. Change in temperature

3. Noticiable Odor

4. Formation of bubbles

Final answer:

A chemical change, usually irreversible, results in the formation of new substances, the release or absorption of energy, and sometimes the production of gases or solids. Indicators of a chemical change include changes in color, production of a gas, formation of a precipitate, and changes in temperature.

Explanation:

A chemical change is a process that results in the transformation of one set of chemical substances to another. During this type of change, the atoms in the reactants rearrange to form one or more different substances, and this is usually an irreversible process. Some common results of a chemical change can include the formation of new substances, the release or absorption of energy, and the production of gases or solid materials.

Four indicators of a chemical change are:

Change in color: For example, when you heat a green copper wire, it may turn black due to the formation of copper oxide.Production of a gas: This can be seen in the effervescence or bubbling when you combine baking soda and vinegar.Formation of a precipitate: A precipitate is a solid that forms from a solution during a chemical reaction. For example, when you mix solutions of silver nitrate and sodium chloride, a white precipitate of silver chloride forms.Change in temperature: Many chemical reactions release or absorb heat. For example, the burning of wood releases heat.

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The part of the experiment against which results are compared is ______.
independent variable
dependent variable
control
constant
hypothesis

Answers

Answer:

Control

Explanation:

The control is the variable that you don't change. Like, imagine you're doing an experiment and are trying to figure out how much of a faster growth rate occurs with fertilized plants. You will compare the fertilized plant to the unfertilized one, which is the control, to see the difference the fertilizer made.

Hope this helped :)

Helppp!!!! plz :-((

Answers

Answer:

C: They should try to reproduce Dr. Maxwell's research to verify his results

Why?

Other scientists may or may not agree to Dr. Maxwell, so they should test Dr. Maxwell's research again to see if his conclusion is true or not.

Hope this helps!

C. they should try to reproduce dr. maxwells research to verify his results !!

Dalton’s atomic theory included which idea?

Answers

Answer:

Everything is composed of atoms, that are the indivisible building blocks of matter that cannot be destroyed. All atoms of an element are identical.

Explanation:

Does anyone know how to do this?

C3H5N3O9 contains 100.00g of carbon, calculate the mass of the molecule

Answers

I suppose that the question ask the following:

What is the mass of a sample, composed of C₃H₅N₃O₉ molecule, that contains 100 g carbon?

First we calculate the molecular mass of our molecule  C₃H₅N₃O₉.

molecular mass = 12 × 3 + 1 × 5 + 14 × 3 + 16 × 9 = 227 g/mol

Now we devise the following reasoning:

if          227 g of our molecule contains 27 g of carbon

then      X    g of our molecule contains 100 g carbon

X = (100 × 227) / 27 = 840.7 g

Consider the electron configuration
Which element has this electron configuration?
astatine
bromine
chlorine
fluorine

Answers

Answer:

Chlorine

Explanation:

Chlorine has the electron configuration 1s2 2s2 2p6 3s2 3p5. This is because it has 17 electrons.

Answer: The element having given electron configuration is chlorine.

Explanation:

Electronic configuration tells us about the number of electrons that are present in an atom. It also determines the atomic number of an element.

We are given:

Electronic configuration of element = [tex]1s^22s^22p^63s^23p^5[/tex]

Total number of electrons in the given element = (2 + 2 + 6 + 2 + 5) = 17

Element having atomic number '17' is chlorine

Hence, the element having given configuration is chlorine

What type of relationship between exists between kinetic energy and temperature ( direct or inverse) 5th grade

Answers

As a subtance absorbs heat the particles move faster so the average kinetic energy and therefore the temperature increases. Temperature is a measurement of the average kinetic energy of the molecules in an object or a system. Kinetic energy is the energy that an object has because of its motion.

2. The last electron in arsenic occupies a 4p level. What block
of the periodic table is arsenic in?

Answers

Answer:

Arsenic is present in p block and group fifteen of periodic table.

Explanation:

The atomic number of Arsenic is 33.

According to the Aufbau principal in ground state of elements electron first occupy the lower energy level then fill the higher energy levels. We know that there four subshells s, p, d and f. The maximum number of electrons in these subshells can be calculated by following formula:

2 (2l +1 )

and l = 0,1,2,3,....

maximum numbers of electrons in s subshell are,

l=0

2 ( 2(0) + 1)

2

so maximum electrons in s subshell are 2.

maximum numbers of electrons in p subshell are,

l = 1

2 ( 2(1) + 1)

2( 2 + 1)

6

so maximum electrons in p subshell are 6.

maximum numbers of electrons in d subshell are,

l = 2

2 ( 2(2) + 1)

2( 4 + 1)

10

so maximum electrons in d subshell are 10.

maximum numbers of electrons in f subshell are,

l = 3

2 ( 2(3) + 1)

2( 6 + 1)

14

so maximum electrons in f subshell are 14.

Electron first fill 1s subshell then 2s subshell and in this way they goes to higher energy levels.

Electronic configuration of Arsenic:

1s2 2s2 2p6 3s2 3p6 4s2 3d10, 4p3

The last electron is present in p subshell that's way Arsenic is present in p block of periodic table.

P block elements are non-metals, metals and metalloids. These are thirty five elements. The P-block elements are present on right side of periodic table. There valance electrons are present in P orbital. The p-block metals are shiny and good conductor of heat and electricity. These metal lose the electron which is accept by non metals and form ionic bond. They have high melting points.

Metalloids includes boron, silicon, germanium, arsenic, antimony and tellurium. Metalloids contain both the properties of metals and non metals, Some metalloids are toxic like arsenic.

Most of p-block elements are non metals. They are bad conductor of heat and electricity and have low boiling points.

Arsenic is in the p-block of the periodic table. This is because its last electron occupies the 4p level, which is characteristic of p-block elements.

The periodic table is divided into four blocks based on the type of atomic orbital that is being filled with electrons: s-block, p-block, d-block, and f-block. In the case of arsenic, which has an atomic number of 33, the electron configuration can be written as [Ar]4s² 3d¹⁰ 4p³. Here, the last three electrons are added to the 4p subshell after filling the 4s and 3d subshells.

The presence of the three electrons in the 4p orbital indicates that arsenic belongs to group 15 (or group V in older notation), which includes other elements such as nitrogen, phosphorus, and antimony. The properties of p-block elements, including their tendency to form covalent bonds and various oxidation states, are influenced by their electron configuration, especially the behavior of the p electrons.

I have no idea how to get to the correct answer, please help, chem is hard

Answers

Answer:

68027 cells

Explanation:

First they need to be in the same units.

To convert 0.0147mm^3 into cm^3, divide by 1000

This gives 0.0000147cm^3

Next, divide 1 cm^3 by 0.0000147 cm^3

[tex] \frac{1}{0.0000147} [/tex]

=68027.2108844

= 68027 cells

Answer:

68027 cells

Explanation:

Consider the reaction of Mg3N2 with H2O to form Mg(OH)2 and NH3. If 4.33 g H2O is reacted with excess Mg3N2 and 6.26 g of Mg(OH)2 is ultimately isolated, what is the percent yield for the reaction?

Answers

Answer:

89.34%

Explanation:

First, write a balanced reaction.

Mg3N2 + 6H2O --> 3Mg (OH)2 + 2NH3

Next determine the moles of the known substance, or limiting reagent ( H2O)

n= m/MM

n ( H2O) = 4.33/(1.008×2)+16

n(H2O)= 0.2403

Use the mole ratio to find the moles of Mg(OH)2

0.2403 ÷2

n (Mg (OH)2) = 0.1202

Next, find the theoretical mass of Mg (OH)2 that should have been produced

m= n × MM

m= 0.1202 × (24.305 + (16×2) +(1.008 ×2))

=7.007g

To find percentage yield, divide the experimental amount by the theoretical amount and multiply by 100.

6.26/ 7.007 × 100

=89.34%

what happen when a mixture of sand and ammonium chloride is heated?​

Answers

Answer:

Sublimation is used to separate a mixture of sand and ammonium chloride. Sublimation is a separation process that entails heating a mixture of solids, where one of the solids transitions from solid to gas without passing through the liquid state. ... This process leaves behind the sand in its natural state.

Explanation:

Answer:

When a mixture of sand and ammonium chloride is heated, the ammonium chloride sublimates out and sand is left behind.

Explanation:

Sublimation is the process in which, a substance directly goes into its gaseous state, without passing through the liquid state, on heating.

Check the statement(s) below to ensure that distance readings are accurate.

Answers

What are the statements

Answer: A.Estimate measurements to the nearest 0.05cm

D.start all measurements from the zero (0) mark

For Edg

Explanation:

You hold a gram of copper in one hand and a gram of aluminum in the other. Each metal was originally at 0° C. (Both metals are in the shape of a little ball that fits into your hand.) If they both take up heat at the same rate, which reaches your body temperature first?
a.)copper
b.)both require the same c.)energy
aluminum

Answers

Answer:

Option A= copper

Explanation:

According  to specific heat capacity of substances, copper will reach to the our body temperature first.

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Formula:

Q = m × c × ΔT

specific heat capacity of copper = 0.385 J/g. °C

specific heat capacity of aluminium = 0.902 J/g. °C

so copper will absorb the heat very quickly and raise the temperature in very less time as compare to aluminium.

Final answer:

Copper reaches body temperature before aluminum because it requires less heat to increase its temperature due to its lower specific heat capacity.

Explanation:

The student is asking which metal, copper or aluminum, each weighing one gram and initially at 0° C, will reach body temperature first if they both absorb heat at the same rate. This question is related to thermal properties of materials, specifically specific heat capacity, which indicates the amount of heat required to raise the temperature of a certain mass of a substance by one degree Celsius.

Copper has a lower specific heat capacity (0.386 J/g°C) compared to aluminum (0.900 J/g°C), as indicated by the given data. Therefore, copper will reach body temperature before aluminum because it needs less heat to raise its temperature.

Give two similarities between Be and Be2+

Answers

Answer:

Be2+ is a positively charged ion [cation] of Be. It is formed when Be donate the two electrons that are in its outermost shell. Be2+ is a charged ion. ... Be has 5 electrons while Be2+ has 3 electrons.

Explanation:

Answer: They have the same number of protons

They have the same number of neutrons

Explanation:

Considering Be and Be2+, two electrons were lost from the atom for the ion to be formed. The number of protons and the number of neutrons remain the same. Hence the atom and its ion share a similarity in the number of protons and neutrons present in both the atom and ion being exactly the same. This is a similarity between Be2+ and Be- the both possess the same number of neutrons and the both also posses the same number of protons.

Calculate the percent errorin a length measurementof 4.45cm if the correct value is 4.06

Answers

Answer:

9.61 % error

Explanation:

The formula for percent error is as follows:

% error = (experimental value - theoretical value) ÷ theoretical value × 100%

So to calculate the percent error all you have to you is plug in your values.

% error = (4.45cm - 4.06cm)/4.06 × 100%

= 0.39/4.06 × 100%

= 0.0961 × 100%

= 9.61 % error

which statement besy describes how the calormeter can be used to determine ghe specific heat capacity of the metal sample

Answers

Answer: Energy transfers from the metal to the water and calorimeter until they are all at room temperature.

Explanation: hope this helps

A mixture In which the particles are to small to b seen with the naked eye is?

Answers

Answer:

When the particles of a solution or a mixture are so small that they cannot be seen directly from our naked eyes the mixture was formed due called colloid. These are heterogeneous mixtures.

Explanation:

There are different methods to tell a mixture from compound and in this case it is done by passing light through it. When a beam of light is passed through this mixture the particles although being small all are enough such that scattering of the beam takes place and its path can be seen.  

Organize the following terms into a logical concept
map: state, physical properties, virtually incompress-
ible, solid, gas, liquid, tightly packed particles, com-
pressible, incompressible, particles far apart, loosely
packed particles

Answers

Answer:

Explanation:

                                          1. State

                                        2. Physical properties

        3. Solid                            4. liquid                             5. gas.

6. incompressible           7. virtually incompressible     8. compressible

9. tightly packed           10. loosely packed particles     11. particles far apart

    particles

The concept map briefly shows the different states of matter and their physical properties. Matter is anything that has weight and occupies space. There are 3 states of matter which are solid, liquid and gas.

Final answer:

The terms are organized based on the three states of matter: solid, liquid, and gas. Solids and liquids are incompressible and have tightly or loosely packed particles respectively while gas is compressible with particles far apart.

Explanation:

The terms can be organized into a concept map that focuses on the three states of matter and their respective physical properties.

Solid: characterized by its incompressible nature and tightly packed particles. Liquid: also incompressible, but has loosely packed particles compared to a solid. Gas: distinguished by its compressible property and particles far apart.

The term 'virtually incompressible' would typically be used to describe liquids and solids, as while they are not absolutely incompressible, they are so relative to gases.

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In which equation does the oxidation of the underlined compound occur? with explaination please
A 2Cu + C → CO2 + Cu
B Fe2O3 + 3C0 - 2Fe + 3CO2
C 2Mg + O2 - 2Mgo
D MnO2 + 4HC1 - MnCl2 + 2H20 + Cl2​

Answers

Answer:

The element oxidized is the one whose oxidation number INCREASES......

Explanation:

And thus......

+

I

I

  2CuO

+

C

2

0

C

u

+

C

O

2

And here while copper (as  

C

u

2

+

) is reduced, carbon is oxidized,  

0

C

+

I

V

C

.

The second reaction represents the reduction  

C

r

(

V

I

+

)

to  

C

r

(

I

I

I

+

)

C

r

2

O

2

7

+

14

H

+

+

6

e

2

C

r

3

+

+

7

H

2

O

(

i

i

)

And the oxidation of ethanol to carbon dioxide:

H

3

C

C

H

2

O

H

+

H

2

O

2

C

O

2

+

8

H

+

+

8

e

(

i

i

i

)

i.e.  

H

3

I

I

I

C

I

C

H

2

O

H

2

+

I

V

C

O

2

We takes  

4

×

(

i

i

)

+

3

×

(

i

i

i

)

to eliminate the electrons.....

3

H

3

CC

H

2

O

H

+

3

H

2

O

+

4

C

r

2

O

2

7

+

56

H

+

+

24

e

8

C

r

3

+

+

28

H

2

O

+

6

C

O

2

+

24

H

+

+

24

e

To give finally............

3

H

3

CC

H

2

O

H

+

4

C

r

2

O

2

7

+

32

H

+

8

C

r

3

+

+

25

H

2

O

+

6

C

O

2

Dichromate ion

is reduced to  

chromic ion

Final answer:

The oxidation takes place in option B (Fe2O3 + 3CO - 2Fe + 3CO2) where Carbon (C) in CO gets oxidized to CO2 moving from an oxidation state of +2 to +4.

Explanation:

In Chemistry, an oxidation reaction is characterized by the loss of electrons during the reaction. Looking into the provided options for reactions, we can understand which compound gets oxidized by observing which substance loses electrons (i.e., has a valence increase).

Option A cannot be the answer since copper (Cu) reduces from Cu to Cu and carbon (C) also reduces from atomic state to be part of CO2.

Option B, (Fe2O3 + 3CO - 2Fe + 3CO2), showcases oxidation. In this case, Carbon (C) in CO is getting oxidized to form CO2. In the process of this reaction, Carbon (C) changes from an oxidation state of +2 (in CO) to +4 (in CO2).

Option C, shows the reduction of Mg from atomic state to ionic state in MgO. Option D, shows Mn reducing from +4 oxidation state to +2 oxidation state in MnCl2, with Cl also transforming component state. However, none of these are examples of oxidation.

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Attractive forces between atoms/molecules become stronger as the particles move closer together. These attractive forces are called ____________forces. Options:

A) intermolecular
B) compounding
C) interstellar
D) elemental

Answers

Answer:

Intermolecular

Explanation:

Intermolecular forces are the forces operating between the two molecules.  These forces are of short rang forces and also known as week intermolecular forces.

These forces only exist when molecules get close together by force of by cooling.

Example:

Hydrogen bond (intermolecular forces) exist in liquid water molecules but when we heat it the water molecule escape from surface by as hydrogen bond break by heating.

Compressed Natural Gas:

In this case the molecules of natural gas presses and the come closer so the distance between the molecules become less and force of attraction increase that attraction (intermolecular force ) is due to short distance.

Final answer:

The attractive forces that come into play as atoms or molecules move closer together are called intermolecular (Option A) forces, which are vital for determining a substance's physical properties.

Explanation:

The attractive forces between atoms or molecules as they move closer together are called intermolecular forces. These forces are electrostatic in nature, which means they arise from the interactions between positively and negatively charged species. Intermolecular forces are much weaker than the bonds within molecules (intramolecular forces), but they are essential in determining physical properties such as the state of matter.

Intermolecular forces are especially significant in solids and liquids, where the proximity of the molecules leads to a cumulative effect, making these forces quite substantial. In gases, these interactions become noteworthy only at very high pressures, where they cause deviations from the ideal gas law as real gases exhibit behavior that differs from the theoretical ideal.

A tool that changes light Energy
into electricity is a

Answers

Answer:

Photovoltaic cell or solar cells

Explanation:

Solar cells are cells that converts light energy from the sun into electrical energy for use in appliances. Light energy impinges on these cells, the photons of light causes electrons in the solar cells to move thereby resulting in the production of electricity in the cells.

gizmos student exploration density laboratory

How can you tell if a crown is made of solid gold?

Answers

The weight of a solid gold crown would be much heavier than one if not made of solid gold. It would also not tarnish as quickly as one of other metals.

Hope this helped!
Final answer:

To determine if a crown is made of solid gold, you can measure its density or look for certain markings or stamps indicating its purity.

Explanation:

One way to determine if a crown is made of solid gold is to measure its density. Gold has a density of 19.3 g which is higher than most other metals. To find the density of the crown, you need to measure its mass using a balance and its volume using water displacement. If the density of the crown matches the density of gold, it is likely made of solid gold.

Another way to determine if the crown is made of solid gold is to look for certain markings or stamps. In many countries, solid gold items are required to have a hallmark, which indicates the purity of the gold. This hallmark can usually be found on the inside of the crown. It is important to note that these methods provide a good indication but cannot guarantee with absolute certainty if a crown is made of solid gold.

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Is acetone a compound, an element or heterogeneous or homogeneous

Answers

Answer:

Acetone is a compound.

Acetone is a compound comprising of carbon,hydrogen and oxygen atoms.

Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.

Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:

1)Molecular compounds where in atoms are joined by covalent bonds.

2) ionic compounds where atoms are joined by ionic bond.

3)Inter-metallic compounds where atoms are held by metallic bonds

4) co-ordination complexes where atoms are held by co-ordinate bonds.

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Important (question on k12 test)
Which choice tells the two main ways minerals are classified?

chemical makeup and crystal lattice structure

how they can be used and the country they are found in

chemical makeup and how they can be used

how they can be used and how rare they are

Answers

Answer:

A new Dana system of classification contains 78 different classes of minerals based on composition and then further classified by type and group. To be considered a mineral, a substance must be an inorganic, naturally formed solid, with a specific chemical formula and a fixed internal structure. To test whether something is a mineral, there are several identification tests to which the substance is subjected, including its resistance to scratching, its density in comparison to water, its color, the degree of light it reflects, the color of the powdered mineral, its breakage pattern and its crystalline form.

Explanation:

Answer: chemical makeup and crystal lattice structure

Explanation:

The minerals are the inorganic substances that are extracted beneath the earth crust. These minerals are associated with the gangue particles that are required to be removed by processing.

The minerals can be classified on the basis of the chemical and physical properties. The chemical properties define the chemical composition of the mineral. The physical properties define how minerals react with the external environment.

Thus chemical makeup and crystal lattice structure can be a useful approach to classify the minerals as the minerals may differ chemically as well as in structural makeup.    

PLEASE HELP!
What is the correct molecular formula for a compound that contains one atom of carbon and four atoms of hydrogen?

CH4
HCH3
H4C
H2CH2

Answers

Answer:

CH4, which is the molecular formula for Methane

CH₄ is the correct molecular formula for a compound that contains one atom of carbon and four atoms of hydrogen. Therefore, option A is correct.

What is molecular formula ?

The molecular formula is an expression that specifies the number of atoms of each element in a compound molecule. It displays the exact number of atoms in a molecule. Propane, for example, has the molecular formula C₄H₁₀. The given compound contains four carbon atoms and ten hydrogen atoms according to this formula.

A molecular formula tells us which atoms are present in a molecule and how many of each type of atom are present. When there is only one atom of a given type, no subscript is used.

Methane (CH₄) is the most basic hydrocarbon, with one carbon atom and four hydrogen atoms. Methane is an extremely potent greenhouse gas.

Thus, option A is correct.

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Sulfur as 4 isotope sulfur-32 is 95.0%, sulfur-33 is 0.76%, sulfur-34 is 3.22%, and sulfur-36 is 0.89% abundant. Calculate its average atomic mass

Answers

Answer:

average atomic mass of sulfur = 32.066 amu

Explanation:

The average atomic mass is calculated as following:

average atomic mass = fraction of isotope (1) × mass number of the isotope (1) + fraction of isotope (2) × mass number of the isotope (2) + ... + fraction of isotope (n) × mass number of the isotope (n)

average atomic mass of sulfur = (95/100) × 32 + (0.76/100) × 33 + (3.22/100) × 34 + (0.89/100) × 36 = 32.066 amu

(amu - atomic mass units)

what happens when caustic soda is reacted with sulfur​

Answers

Answer:

it will explode

Explanation:

the ingredients in sulphate and most sodas dont mix. they will clash, and explode.making a HUGE mess.

When caustic soda reacts with sulfur, it forms sodium sulfide and water.

When caustic soda is reacted with sulfur, it forms sodium sulfide and water as shown in the chemical equation: 2NaOH + S → Na2S + 2H2O.

Sulfur reacts with caustic soda to produce sodium sulfide.

Other Questions
Write the following as a ratio: $72 for 488 photos Plz help me with 1 and 2 I thought I added the attachment to it but I guess it didn't work sorry Which factor contributed the MOST to the outbreak of warbetween Puritans in New England and American Indians?A. Puritans sought control of the fur trade, which interferes with American Indian trade with the French.B. Puritan settlers over hunted the large game on which American Indians relied for foodC. As the Puritan settlements grew, the increasingly encroached upon American Indian territory. You are completing an assessment of a client with end stage liver disease. Which of the following findings is most important to notify to the physician?A. Expanding ecchymosisB. Ascites and a serum albumin of 3.2g/dlC. HCT of 37% and a HGB of 12g/dlD. Occasional disorientation and forgetfulness An aquaculture facility hatched salmon eggs and tagged and released young fish into a river leading to the ocean. The fish fed and grew in the ocean, and in a few years some of the fish returned to the facility whereas some were found at other locations. Because the number of returning fish was low and the facility wanted to increase the rate of return to the facility, a scientist suggested adding a chemical to the river that would _________. The acceleration of automobiles is often given in terms of the time it takes to go from 0 mi/h to 60 mi/h. One of the fastest street legal cars, the Bugatti Veyron Super Sport, goes from 0 to 60 in 2.70 s. To the nearest integer, what is its acceleration in m/s^2? Please show work. In the area of economics and big business, what are three things that President Wilson accomplished? a. raising tariffs to avoid competition b. passage of the Federal Trade Act c. signing the Clayton Antitrust Act d. repealing the Sherman Antitrust Act e. lowering tariffs for more competition f. beginning the Interstate Commerce Commission Read these lines from Macbeth:The west yet glimmers with some streaks of day:Now spur's the lated traveller apace,To gain the timely inn: and near approachesthe subject of our watch:Which of the following correctly describes how the word gain is used here?It suggests an increase of some value.It suggests earning something.It suggests reaching a place.It suggests something owned. You have moved to another state and wish to work as an EMT. In your previous state of employment, EMTs were allowed to administer a select number of drugs. To determine if EMTs can administer drugs in your new state of residence, you should check the: What are the chemical formulas for the following compounds? magnesium carbonate dinitrogen monoxide sulfuric acid sodium acetate copper (II) hydroxide on the metal cation in each of the following compounds? A bike that is coasting down a steep hill increases its speed from 8.0 m/s to 14 m/s. The length of the hill is 55 meters. How much time passes during the descent? What best describes an act of self-management? taking positive risks that benefit ones overall health monitoring negative behavior through the use of strong social networks practicing health-enhancing behaviors and reducing negative influences and risk practicing abstinence of alcohol, drugs, and tobacco Calculate the number of moles of Californium represented by 5.92 x 1024 atoms of Californium. Enter your answer in the provided box. mol Cf Tomas Briggs and Sons reviewed their first year operations. Gross sales were $204,000 Customer returns and allowances were $18,000 The cost of the merchandise they sold was $90,000 First-year expenses were $84,000 The overall profit before taxes was $12,000 Represent the following in percentages: Total net sales in dollars were The cost of the merchandise sold was First-year expenses were Overall profit was Don't forget how to calculate net sales! Which of the following best represents a walkthrough a. The controller reviews the bank reconciliation prepared by the accountant and its resulting journal entries b. The auditor walks the production line to find inefficiencies in the inventory process and reports them to management c. The controller takes a sample of recorded write-offs to ensure they have been properly approved d. The auditor traces three purchasing transactions from the purchase order to the financial statement for observation and understanding. 16. A cookie company decides to develop a new chocolate chip cookie They decide to test threedfferent recipes at once. What are the advantages of making more than one prototype at a time? Which stage of Cell respiration produces CO2:a. Glycolysisb. Fermentationc. Citric Acid cycled. Electron transport chain EXAMPLE 2 The arc of the parabola y = 3x2 from (5, 75) to (10, 300) is rotated about the y-axis. Find the area of the resulting surface. SOLUTION 1 Using y = 3x2 and dy dx = we have, from this formula, S = 2x ds = 10 2x 1 + dy dx 2 dx 5 = 2 10 x 1 + 36x2 dx 5 . Substituting u = 1 + 36x2, we have du = dx. Remembering to change the limits of integration, we have S = 36 3601 u du 901 = 36 3601 901 = . SOLUTION 2 Using x = y 3 and dx dy = we have S = 2x ds = 300 2x 1 + dx dy 2 dy 75 = 2 300 y 3 1 + 1 12y dy 75 = 3 300 12y + 1 dy 75 = 36 3601 u du 901 (where u = 1 + 12y) = (as in Solution 1) People all over the world recognize that composite volcanoes are very dangerous. Yet, many people live on their flanks. Why? What benefits could outweigh the risks? A 2 gram marble is placed in the bottom of a frictionless, hemispherical bowl with a diameter of 4.9 m and it is set in circular motion around the lowest point in the bowl such that its radius of "orbit" is 16 cm. What is its speed? (If you find this problem confusing, consider a simple pendulum with a string length half the diameter given here and suppose its amplitude is 16 cm.)