How many ml of apple juice does the company need to make to fulfill an order for 2.5 pellets

Answers

Answer 1

Answer:

250000000000 ml of apple juice


Related Questions

Name the only satellite which is known to have an atmosphere in the planet it orbits

Answers

Answer:

Titan which orbits Saturn

Explanation:

Final answer:

Saturn's Titan is the only moon known to have a significant atmosphere, composed mainly of nitrogen with organic particles and methane lakes on its surface.

Explanation:

The only satellite known to have an atmosphere in the planet it orbits is Titan, the largest moon of Saturn. Titan has a substantial atmosphere composed mainly of nitrogen. It is the only moon in the outer solar system with a significant atmosphere, and its atmosphere is even denser than Earth's. The atmosphere of Titan is of great interest to scientists because it contains organic particles and may provide clues to the early stages of life formation on Earth.

The only known satellite in the solar system with a substantial atmosphere is Saturn's Titan. Titan is unique among moons in that it possesses a dense atmosphere filled with organic particles. This atmosphere is primarily composed of nitrogen, similar to Earth's, but with temperatures too low to allow for carbon dioxide or water vapor, resulting in nitrogen being the dominant gas. The atmosphere on Titan is of great interest to scientists because it may provide clues to the early stages of how life formed on Earth. The Cassini spacecraft and the Huygens probe provided valuable data on Titan's composition, including the discovery of methane lakes on its surface.

A beaker was half filled with freshly distilled H2O and placed on a hot plate. As the temperature of the water reached 100°C, vigorous bubbling was observed in the beaker. The gaseous contents of the bubbles were analyzed. The presence of which of the following substances would support the claim that the observed phenomenon was a physical change?

1-H2(g)
2-O2(g)
3-CO2(g)
4-H2O(g)

Answers

Answer:

If anything but H2O were found, it would be evidence of a chemical change. Therefore, 4 is the only viable evidence that it was a physical change of H2O liquid to H2O gas.

Answer:

4-[tex]H_{2}O_{(g)}[/tex]

Explanation:

Initially, the beaker contains distilled water which is liquid water at room temperature. When the beaker was placed on a hot plate and heat energy was applied the temperature of the system increases gradually until the boiling point was reached. Water generally boils at 100°C and at this temperature, liquid water changes to vapor or gas. In addition, liquid water and steam or water vapor are in equilibrium. Therefore, the presence of water vapor ([tex]H_{2}O_{(g)}[/tex]) indicates that the process is a physical change.

why is the venus flytrap different from most other green plants

Answers

Answer:

The Venus flytrap consumes its food in the form of flies and other small insects not through the roots as other plants

Explanation:

Answer:

The thing about the venus fly trap which makes it so unique and are known for is its ability to digest insects.

Explanation:

The thing about the venus fly trap which makes it so unique and are known for is its ability to digest insects. In its name "fly trap" which are commonly house plants implies the ability of trapping insects for its nutrional value

What are the products???

Potassium Chloride + Sodium ->

Answers

Potassium Chloride and sodium chloride is a combination ofmineral supplement that may be helpful in heart prostration

Which example is classified as a body fossil?

fossilized bird droppings

footprint of a stone-age

individual ancient shark vertebra

a worm trail

Answers

Answer:

individual ancient shark vertebra

Explanation:

it ask for a body fossil and that is the only body fossil

One of the example that falls under classification of body fossil is C:

individual ancient shark vertebra

Fossils can be regarded as preserved remains of some animals as well as plants, this could also include the traces of ancient organisms remains

The main types of fossil are:

true form fossil trace fossil mold fossil

Body fossils can be regarded as  type of fossil that is very common across the world. They are the fossils that are  formed due to the remains of dead animals as well as  plants.

Most of the  body fossils usually have a hard parts these part could be

teethwoody trunksbonesshells

Therefore, option C is right

Learn more from :https://brainly.com/question/16201040?referrer=searchResults

Which of the following occurs during a redox reaction?
A. Only electrons are obtained
B. Only electrons are lost
C. Electrons are won and lost
D. Electrons are not earned or lost

Answers

Answer:

C = Electrons are won and lost.

Explanation:

The oxidation reduction reactions are called redox reaction. These reactions are take place by gaining and losing the electrons and oxidation state of elements are changed.

Oxidation:

Oxidation involve the removal of electrons and oxidation state of atom of an element is increased.

Reduction:

Reduction involve the gain of electron and oxidation number is decreased.

Consider the following reactions.

4KI + 2CuCl₂  →   2CuI  + I₂  + 4KCl

the oxidation state of copper is changed from +2 to +1 so copper get reduced.

CO + H₂O   →  CO₂ + H₂

the oxidation state of carbon is +2 on reactant  side and on product side it becomes  +4 so carbon get oxidized.

Na₂CO₃ + H₃PO₄  →  Na₂HPO₄ + CO₂ + H₂O

The oxidation state of carbon on reactant side is +4. while on product side is  also +4 so it neither oxidized nor reduced.

H₂S + 2NaOH → Na₂S + 2H₂O

The oxidation sate of sulfur is -2 on reactant side and in product side it is also -2 so it neither oxidized nor reduced.

Oxidizing agents:

Oxidizing agents oxidize the other elements and itself gets reduced.

Reducing agents:

Reducing agents reduced the other element are it self gets oxidized.

PLEASE HELP ASAP
Half equation for zinc atoms changing into zinc ions

Answers

Answer:

[tex]Zn^{0} --->Zn^{2+} +2e^{-}[/tex]

Explanation:

[tex]Zn^{0} --->Zn^{2+} +2e^{-}[/tex]

Explain how H20 chemical formula describe a model of a water molecule?

Answers

Its molecule contains one oxygen and two hydrogen atoms.

Explanation:

Water is a chemical substance with the chemical formula H2O. Water is a chemical substance with the chemical formula H2O. Its molecule contains one oxygen and two hydrogen atoms connected by covalent bonds.

Hope this helps ; )

Need help converting 4.82 mmol of diphenylmethanol to grams (C13H12O)?

Answers

Final answer:

To convert 4.82 mmol of diphenylmethanol to grams, calculate the molar mass of C13H12O to be 184.32 g/mol. Then, multiply 4.82 mmol by the molar mass and divide by 1000 mmol/mol to get 0.8886 grams.

Explanation:

To convert 4.82 mmol of diphenylmethanol (C13H12O) to grams, you first need to calculate the molar mass of diphenylmethanol. The molar mass is calculated by the sum of the atomic weights of each atom in the molecular formula. The molecular weights are approximately: Carbon (C) = 12.01 g/mol, Hydrogen (H) = 1.008 g/mol, and Oxygen (O) = 16.00 g/mol. Thus, the molar mass of C13H12O is (13x12.01 g/mol) + (12x1.008 g/mol) + (16.00 g/mol) = 184.32 g/mol.

Next, use the conversion factor that relates millimoles to grams using the molar mass:

4.82 mmol C13H12O x (184.32 g/mol) / (1000 mmol/mol) = 0.8886 g C13H12O

So, 4.82 mmol of diphenylmethanol is equivalent to 0.8886 grams.

5. RELATING IDEAS Carbon and oxygen react to form
carbon monoxide: 2C+02-→ 2CO. What mass-
es of carbon and oxygen are needed to make
56.0 g CO? Which law does this illustrate?

Answers

Answer:

5. It is one of the most important greenhouse gases linked to global warming, but it is a minor component of Earth’s atmosphere (about 3 volumes in 10,000), formed in combustion of carbon-containing materials, in fermentation, and in respiration of animals and employed by plants in the photosynthesis of carbohydrates.

(ᵔᴥᵔ)Hope It Helpsʕ·ᴥ·ʔ

The mass of oxygen and carbon required to produce 56 grams CO has been 32 grams and 24 grams respectively. The law that illustrates this has been the law of conservation.

The moles of product or reactant in a chemical reaction are given by the stoichiometric coefficient of the balanced chemical equation.

The given balanced equation has been:
[tex]\rm 2\;C\;+\;O_2\;\rightarrow\;2\;CO[/tex]

Computation for mass of oxygen and carbon

From the balanced chemical equation, for the formation of 2 moles of CO,1 mole of oxygen and 2 moles of carbon has been required.

56 g of CO has been equivalent as:

[tex]\rm Moles=\dfrac{Mass}{Molar\;mass} \\\\Moles\;CO=\dfrac{56}{28}\;mol\\\\ Moles\;CO=2\;moles[/tex]

The moles of CO produced has been 2 moles. Thus, the moles of oxygen and carbon required are:

Oxygen required =  1 mole

The mass of oxygen required is 32 grams.

Carbon required is 2 moles.

The mass of carbon required has been 24 grams.

The law that illustrates this is the law of conservation. According to the law of conservation, mass has not been lost in the chemical reaction.

Learn more about mass reacted, here:

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What evidence supports the idea that all the continents were once joined together? A. Similar rocks found on different continents. B. Mountains created by colliding continents. C. Evidence of glaciers in unexpected places. D. All of the above.

Answers

Similar rocks found on different continents, Mountains created by colliding continents, Evidence of glaciers in unexpected places are the evidences to support the idea that all the continents were once joined together.

Option D, All the above.

Explanation:

Earth did not have seven continents but only one, nearly 300 million years ago. There was one "massive super continent", called the Pangaea. The Pangaea was also surrounded by the ocean named panthalassa. Experts say that the formation of the seven continents happened due to the movement in the tectonic plates.

Similar kinds of rocks were found on different continents, it is also believed that the Aps were formed due to the separation of continents, coal deposits of the same constituents were also found on different continents.

Answer:

all of the above

Explanation:

If 3.0 g of NH3 reacts with 5.0 g of HCl, what is the limiting reactant?

Answers

Answer:HCl

Explanation:

[tex]\text{number of moles}=\frac{\text{given mass}}{\text{molar mass}}[/tex]

For [tex]NH_{3},[/tex]

[tex]\text{given mass}=3g[/tex]

[tex]\text{molar mass}=14+3=17g[/tex]

[tex]n_{NH_{3}}=\frac{3}{17}=0.176[/tex]

For [tex]HCl,[/tex]

[tex]\text{given mass}=5g[/tex]

[tex]\text{molar mass}=1+35.5=36.5g[/tex]

[tex]n_{HCl}=\frac{5}{36.5}=0.136[/tex]

The reaction between [tex]NH_{3}[/tex] and [tex]HCl[/tex] is

[tex]NH_{3}+HCl[/tex]→[tex]NH_{4}Cl[/tex]

So,one mole of [tex]NH_{3}[/tex] requires one mole of [tex]HCl[/tex]

[tex]0.176[/tex] moles of [tex]NH_{3}[/tex] requires [tex]0.176[/tex] moles of [tex]HCl[/tex]

But there are only [tex]0.136[/tex] moles of [tex]HCl[/tex] available.

[tex]HCl[/tex] will be consumed first.

So,[tex]HCl[/tex] is the limiting reagent.

can somebody help with parts c and d

Answers

Answer:

13. Na  14. Ne. 15. U. 16. Ca. 17. C. l 18. O.  19. Cl. 20. Si  21. U  22. N.

23. Na 24. Ne. 25. U 26. Sc. 27. N 28. O 29. Cl 30. Si 31. U 32. N.

Explanation:

The general trend as you go to the right in any one period is for the size to decrease.

The general trend is that the size increases as you go down a Group.

The general trend as you go from the bottom left to the top right is a decrease in size.

Ionization energy increases as we move to the right in a period.

It decreases as we move down a group.

Going from the bottom left to top right - the ionization increases.

CH3CO3H + Fe = CH3COOH + FeO represents a(n)_____ equation.
A.) Balanced
B.) Unbalanced

Answers

Answer:

Balanced

Explanation:

2 Carbons per side

4 Hydrogens per side

3 Oxygen per side

1 Iron per side

Answer:

Balanced

Explanation:

For an equation to be balanced, the number of atoms of each element on the lefthand side and right hand side of the reaction equation must be exactly the same.

There are four hydrogen atoms on each side

There is one carbon atom on each side

There are three oxygen atoms on each side

There is one iron atom on each side.

This is how to know a balanced chemical reaction equation.

What is the temperature range in the Mesosphere?
°C to C

Answers

Answer:

The temperature range in the Mesosphere 15 degrees Celsius (5 degrees Fahrenheit) to negative 120 degrees Celsius (negative 184 degrees Fahrenheit)

Explanation:

The mesosphere lies above the stratosphere and extends over the Earth's surface to 85 kilometers (53 miles). The temperature at the mesosphere limit drops from negative 15 degrees Celsius (5 degrees Fahrenheit) to negative 120 degrees Celsius (negative 184 degrees Fahrenheit) at the base of the thermosphere.

Meteors vaporize in mesosphere, giving metallic ions a higher concentration than other layers of atmosphere.

Final answer:

The temperature in the mesosphere ranges from about 0°C at its lower boundary to as low as -100°C at the mesopause, its upper boundary. The mesosphere's low temperatures are due to its very thin air and lack of water vapor and ozone to absorb heat from the sun.

Explanation:

The temperature range in the mesosphere varies significantly with altitude. At the lower boundary, directly above the stratosphere (starting around 50 km above Earth's surface), temperatures can be around 0°C. As altitude increases within the mesosphere, temperatures drop sharply, reaching the mesosphere's lowest temperatures at the mesopause, which lies at the top of the mesosphere, around 85 km above the surface. Here, temperatures can plunge to as low as -100°C (-148°F).

The mesosphere is warmed from the bottom by the stratosphere below. The air in the mesosphere is very thin, and its density is approximately 1/1000th of that at the surface, which makes this atmospheric layer quite cold. This temperature decrease with altitude is due to the minimal amounts of water vapor and ozone that would otherwise help to absorb the sun's rays and heat the air.

Convert 1365.4 joules into kilocalories.

Answers

Answer:

0.326338 kcal

Explanation:

Data given:

Value in Joules = 1365.4 joules

Value in Kilocalories (kcal) =  to find

Solution:

Joule and Kilocalori both are the unit of energy

Relation of kilocalori

                   1 joule = 0.000239 kcal

so now to find

1365.4 joules equals to how much kilocalories

if

                                 1 joule = 0.000239 kcal

then                1365.4 joules = ? Kilocalories

by cross multiplication

          1 joule x ? Kilocalories = 0.000239 kcal x 1365.4 joules

By rearranging

           Kilocalories = 0.000239 kcal x 1365.4 joules / 1 joule

         

         Kilocalories = 0.000239 kcal x 1365.4 joules / 1 joule

         Kilocalories = 0.32633 kcal

So

         1365.4 joules = 0.32633 kcal  

[tex]1365.4 \ joules[/tex] is approximately [tex]0.3264\ kilocalories.[/tex]

To convert energy from joules to kilocalories, we use the conversion factor:

[tex]\[ 1 \, \text{kilocalorie} = 4184 \, \text{joules} \][/tex]

Given:

[tex]\[ 1365.4 \, \text{joules} \][/tex]

We convert joules to kilocalories as follows:

[tex]\[ \text{kilocalories} = \frac{\text{joules}}{\text{joules per kilocalorie}} = \frac{1365.4 \, \text{joules}}{4184 \, \text{joules per kilocalorie}} \][/tex]

Perform the calculation:

[tex]\[ \text{kilocalories} = \frac{1365.4}{4184} \][/tex]

[tex]\[ \text{kilocalories} = 0.3264 \][/tex]

OK SO HERES HOW ITS GONNA GO. IMA ASK YOU GUYS ONE MORE TIME BC THIS IS LIKE THE 3RD TIME IVE WAISTED MY POINTS IN THE SAME QUESTION. IGHT JUST TRY.

MY TEACHER PIS.S.ES ME OFF I NEED HELP I SWEAR.

Question:
Give the electron configuration for the calcium ion. (2points)

My Answer:
(AR)4s^2

0/2 points

Teachers response:
This is asking for the ion and that is the neutral configuration. Write out the whole thing.
^
|
|
Help on that plz

Answers

Answer:

Electronic Configuration of calcium ion: Ca²⁺

1s², 2s², 2p⁶, 3s², 3p⁶

Explanation:

Calcium belong to group IIA and known as alkaline earth metals.

it have two electrons in outer most orbital.these outer two electrons are involve in bondingcalcium lose these two electron and form cationcation have 2+ chargecalcium have total twenty electrons

Electronic Configuration of calcium atom: ²⁰Ca

1s², 2s², 2p⁶, 3s², 3p⁶, 4s²

When calcium ion is form it loses two electron and have 2+ charge on it.

and have total of 18 electrons

So,

Electronic Configuration of calcium ion: Ca²⁺

the last filled orbital will be 3p⁶

1s², 2s², 2p⁶, 3s², 3p⁶

a. A 3.24 M solution of base is Diluted by adding water increasing its volume from 1.25 L to 3.98 L. Calculate the new Molarity of the solution

B. 270 mL of a 7.0 M NaHCO3 solution was used in the preparation of 1.9 L of diluted NaHCO3. what is the molarity of the diluted solution

C. what volume of 5 M NaOH is needed to create a 100 mL solution of 1 M NaOH?

PLEASE HELP ILL GET 30 EXTRA POINTS FOR THESE

Answers

Answer:

A.   The new molarity of the diluted solution is 1.0176 M

B.   The new molarity of the diluted solution is 0.9947  M

C.   20 mL of volume is required to prepare 100ml of 1 M NaOH

Explanation:

Part A:

___________

This problem will be solved by using the following formula

                               M₁V₁ =  M₂V₂                        (1)

Given Data:

Initial Molarity of Solution M₁ = 3.24 M

Initial volume V₁ = 1.25 L

Initial volume V₂ = 3.98 L

Final Molarity M₂= ?

Put the values in formula 1

                          3.24 M x 1.25 L = M₂ x 3.98 L

By Rearranging

                         M₂  =  3.24 M x 1.25 L / 3.98 L

                         M₂  =  4.05 / 3.98

                          M₂  =  1.0176 M

The new molarity of the diluted solution is 1.0176 M

_________________

Part B:

This problem will be solved by using the following formula

                               M₁V₁ =  M₂V₂                        (1.1)

Given Data:

Initial Molarity of Solution M₁ = 7.0 M

Initial volume V₁ = 270 mL

As the initial volume is in ml and final volume in Litre (L)

So we have to convert mL to L

       1000ml= 1L

       270 ml = ? L

       1 x 270/ 1000 = 0.27 L

So

Initial volume V₁ = 0.27 L

Initial volume V₂ = 1.9 L

Final Molarity M₂= ?

Put the values in formula 1.1

                                               M₁V₁ =  M₂V₂  

                            7.0 M x 0.27 L = M₂ x 1.9 L

By Rearranging

                         M₂  =    7.0 M x 0.27 L / 1.9 L

                         M₂  =  1.89 / 1.9

                          M₂  =  0.9947 M

The new molarity of the diluted solution is 0.9947  M

_________________

Part 3

This problem will be solved by using the following formula

                               M₁V₁ =  M₂V₂                        (1.2)

Given Data:

Initial Molarity of Solution M₁ = 5 M

Initial volume V₁ = ? mL

Initial volume V₂ =  100 mL

Final Molarity M₂= 1 M

Put the values in formula 1.2

                                               M₁V₁ =  M₂V₂  

                            5 M x V₁ = 1 M x 100 mL

By Rearranging

                         V₁  =   1 M x 100 mL/ 5 M

                         V₁  =   100 / 5

                          V₁  =   20

20 mL of volume is required to prepare 100ml of 1 M NaOH

Which element has an ion with a radius that is larger than its atomic radius
A)K
B)Cr
C)Zn
D) Cl

Answers

Answer:

d) Chlorine

Explanation:

when an atom form ion its atomic radius changed from neutral atomic radius.

if the atom form cation its atomic radius is smaller than neutral atomic radius.

If atom form anion its anionic radius is larger than the neutral atomic radius.

The reason is that when electron is remove energy shell deduced so cation get smaller ionic radii while in case of anion electron is added and size increase.

In given list of elements potassium, zinc and chromium form cation while chlorine form anion.

That's why its ionic radius will larger than atomic radius.

Final answer:

The element with an ion that has a larger radius than its atomic radius is potassium (K).

Explanation:

Based on the information provided, the ion with a radius larger than its atomic radius is K (potassium). This is because potassium loses an electron to form a cation (K+), which has a larger radius than its neutral atomic form. The loss of one electron reduces the attractive force between the electrons and the nucleus, causing the electron cloud to expand, resulting in a larger radius.

HELP PLEASE (Solve this problem using the appropriate law). what is the volume of 0.382 moles of hydrogen gas at 1.50 atmospheres pressure and a temperature of 295k?
(R=0.0821L•atm/mol•k)

6.17L
1.2L
3.08L
4.01L
0.23L

Answers

Answer:

V = 6.17 L

Explanation:

Given data:

Volume = ?

Number of moles = 0.382 mol

Pressure = 1.50 atm

Temperature = 295 k

R = 0.0821 L. atm. /mol. k

Solution:

According to ideal gas equation:

PV= nRT

V = nRT/P

V = 0.382 mol × 0.0821 L. atm. /mol. k ×295 k / 1.50 atm

V = 9.252  L. atm.  / 1.50 atm

V = 6.17 L

Final answer:

Using the ideal gas law, the volume of 0.382 moles of hydrogen gas at 1.50 atmospheres pressure and 295 K is approximately 6.17 L.

Explanation:

Using the ideal gas law, PV = nRT, we can calculate the volume of 0.382 moles of hydrogen gas at 1.50 atmospheres pressure and 295 K temperature. where T is the temperature, R is the ideal gas constant, n is the number of moles, V is the volume, and P is the pressure.

The provided values are: P = 1.50 atm, n = 0.382 moles, R = 0.0821 L•atm/mol•K, and T = 295 K. When we enter these numbers into the ideal gas law, we obtain:
V = nRT/PV = (0.382 mol) × (0.0821 L•atm/mol•K) × (295 K) / (1.50 atm)

Calculating this, we find the volume (V) of hydrogen gas:

V ≈ 6.17 L

A particular element has the following set of properties:

It has a low melting point.
It has a low boiling point
It exists as a two-atom molecule in the gas phase.
It has seven outer electrons.
It readily reacts with metals to produce a salt.

Which element does the list describe?
A. strontium (Sr)
B. potassium (K)
C. krypton (Kr)
D. bromine (Br)

Answers

Answer:

D. bromine (Br)

Explanation:

Bromine is an element of halogen group.

Halogens, or "salt-formers," are located in group 17 of the periodic table. The halogens have  the following properties:

1) They have low melting points and low boiling points.

2) They exist as diatomic molecules in the gas phase.

3) They have seven electrons in their outermost shell, which means they have seven valence

electrons.

4) They are highly reactive nonmetals.

5) They tend to gain electrons and form negative ions.

Thus the given properties are of Bromine.

Photons are not considered as objects in the traditional sense, as they cannot exist in a
stationary state.

a. True

b. False

Answers

B)False

because photons dont have mass

Answer: True

Explanation:

Photons do not have mass, so they are not considered matter. However, they do have a stationary state either, so they are not considered an object in Physics.

The amount of space that something occupies or contains is__________.

a. volume

b. density

c. state

Answers

Answer:

a

Explanation:

Volume

Esterification reaction of benzoic acid with ethanol in presence of concentrated sulphuric acid​

Answers

Answer:

ester C6H5CH2OC2H5 is formed.

Explanation:

C6H5CH2OH + C2H5OH ---> C6H5CH2OC2H5 + H2O

Esterification reaction of benzoic acid with ethanol in presence of concentrated sulfuric acid​ is C₆H₅CH₂OH + C₂H₅OH → C₆H₅CH₂OC₂H₅ + H₂O.

What is an esterification ?

Esterification is the process of combining an organic acid (RCOOH) with an alcohol (ROH) to produce an ester (RCOOR) and water, or a chemical reaction that produces at least one ester product. Ester is formed by the esterification of an alcohol and a carboxylic acid.

An acid catalyst, typically sulfuric acid, is added to speed up the reaction while also acting as a dehydrating agent.

Benzoic acid (a carboxylic acid) is esterified with methanol (an alcohol) in the presence of sulfuric acid (an acid catalyst) in this Fischer esterification reaction to produce methyl benzoate (an ester).

Thus, C₆H₅CH₂OH + C₂H₅OH → C₆H₅CH₂OC₂H₅ + H₂O.

To learn more about an esterification, follow the link;

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Planes X and Y and points C, D, E, and F are shown.

Vertical plane X intersects horizontal plane Y. Point D is on the left half of plane Y. Point F is on the bottom half of plane X. Point E is on the right half of plane Y. Point C is above and to the right of the planes.

Which statement is true about the points and planes?

The line that can be drawn through points C and D is contained in plane Y.
The line that can be drawn through points D and E is contained in plane Y.
The only point that can lie in plane X is point F.
The only points that can lie in plane Y are points D and E.

Answers

Answer:

The line drawn through points D and E.

Explanation:

Y is a horizontal line and D and E are both on the same line. If a line were drawn it would be within the Y plane.

Answer:

B. The line that can be drawn through points D and E is contained in plane Y.

Explanation:

The table shows the electronegativity values of four unknown elements on the Pauling scale. Electronegativity Values Unknown Element Electronegativity P 2.55 Q 3.98 R 1.31 S 2.5 Which two elements are most likely to form an ionic bond together? P and Q Q and R R and S P and S

Answers

Answer:

Q and R are most likely to form an ionic bond.

Explanation:

Ionic bond is formed between two elements which have huge difference in their electronegativities.

     According to the given question the electronegativity difference of QR is greater than that of PQ, RS and SP.

   From this point of view it can be stated that Q and R are most likely to form an ionic bond.

Answer:

Q and R

Explanation:

Which of the following could be considered a benefit of modern farming
techniques?
O
A. Food is produced more slowly than it used to be.
O
B. More land is available for the construction of industrial buildings
and neighborhoods.
O
C. The food we eat is fresher because it is treated with preservatives.
O
D. Pesticides have improved the environment.

Answers

Answer:

C. The food we eat is fresher because it is treated with preservatives

Answer:

Option-(B,C): Due, to having more advanced or modern farming techniques there is more land available for the construction of industrial buildings  and neighborhoods. While, the food we eat is fresher because it is treated with preservatives.

Explanation:

The modern farming techniques has provided with great benefits, as there is more space for building new structures and develop the industrial zones more frequently. As, there is now much space to have industries in the region,while the farms are much advanced these days. Along with that, the food is able to eaten after longer duration of time and is able to be supplied to much far distances across the borders to other countries or regions. Just because the food we eat is fresher because it is treated with preservatives.As, there are some modern techniques which has able us to preserve the food through any long season.

31) The mass of an electron is approximately 1/1836
times the mass of
A) 1/1H
B) 2/1H
c) 3/1H
D) 4/2He

Answers

Answer:

[tex](_{1} ^ {1}\textrm{H})[/tex]  is the correct choice that is option A.

Explanation:

An electron has [tex]\frac{1}{1836}[/tex] times the mass of a proton, but an equal and opposite negative charge.

Lets [tex]_{A}^{Z}\textrm{X}[/tex] is any element represented here.

Where [tex]Z[/tex] is the number of protons as well as its atomic number.

And

[tex]A[/tex] is the mass number which is the number of protons and neutrons in any atom.

Note: We know that Hydrogen [tex](_{1} ^ {1}\textrm{H})[/tex] is devoid of neutron,so number of neutrons in a Hydrogen atom is zero.

Then

[tex](_{1} ^ {1}\textrm{H})[/tex] is also a representation of single proton.

So [tex](_{1} ^ {1}\textrm{H})[/tex] is the right choice that is option A.

Final answer:

The mass of an electron is approximately 1/1836 times the mass of a proton.

Explanation:

The mass of an electron is approximately 1/1836 times the mass of a proton (choice B). This means that the mass of the electron is much smaller compared to the mass of the proton. For example, in a hydrogen atom, which consists of just one proton and one electron, the mass of the proton is about 1836 times greater than the mass of the electron.

How many significant figures are in the measurement 0.023040 cm?

Answers

There are five significant figures in the measurement 0.023040 cm.

To determine the number of significant figures in a given measurement, one must follow these rules:

1. Non-zero digits are always significant. In the measurement 0.023040 cm, the digits 2, 3, and 4 are non-zero and thus significant.

2. Zeros between non-zero digits are significant. Here, the zero between the 3 and the 4 is significant because it is sandwiched between two non-zero digits.

3. Leading zeros, which are zeros before the first non-zero digit in a number less than one, are not significant. In this case, the two zeros after the decimal point and before the 2 are leading zeros and are not significant.

4. Trailing zeros, which are zeros at the end of a number, are significant if the number has a decimal point. In the measurement 0.023040 cm, the zero at the end is after the decimal point and is therefore significant.

Applying these rules, we count the significant figures in 0.023040 cm as follows:

- The first two zeros after the decimal point are not significant (leading zeros).

- The digit 2 is significant.

- The digit 3 is significant.

- The zero between the 3 and the 4 is significant (it is between two non-zero digits).

- The digit 4 is significant.

- The last zero is significant (trailing zero after the decimal point).

Therefore, the measurement 0.023040 cm has five significant figures.

Borus Mendeleev is credited as being the primary creator of the first version of the
periodic table of elements.

a. True

b. False

Answers

b. False
it’s Dimitri Mendeev

Final answer:

Dmitri Mendeleev is credited with creating the first recognized periodic table of elements in 1869, which included predictions for undiscovered elements, making it a groundbreaking contribution to chemistry.

Explanation:

The answer to the student's question is a. True. Dmitri Mendeleev is widely credited with creating the first periodic table of the elements in 1869. This early version of the periodic table organized elements by increasing atomic mass and showcased periodic trends. Mendeleev also boldly left gaps in his table for undiscovered elements, predictively detailing their possible properties, many of which were later confirmed with the discovery of elements like gallium and germanium. While German chemist Lothar Meyer also published a similar table around the same time, Mendeleev's periodic table is generally recognized as more significant due to its predictive nature and earlier publication.

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