Match the type of compound with its naming system. Not all choices will be used.
___________1. Stock System
___________2. Uses several different suffixes, depending on the types of ions involved
___________3. Greek Prefix System
___________4. Contains the prefix hydro- and the suffix- ic.
___________5. Named after the two ions involved and uses the suffix -ide
a) Binary covalent compound
b) Binary ionic compound
c) Polyatomic ionic compound
d) Ionic compound with multiple oxidation states
e) Hydrate
f) Binary acid
g) Ternary acid
NEEDS TO BE DONE WITHIN 1 HOUR???
The Stock System is used for naming ionic compounds with multiple oxidation states, different suffixes are used for polyatomic ionic compounds, the Greek Prefix System is used for binary covalent compounds, the prefix hydro- and the suffix-ic are used for binary acids, and binary ionic compounds are named after the two ions involved and use the suffix -ide.
Explanation:1. Stock System: This is a method used to name ionic compounds with multiple oxidation states (d). For example, Iron (II) Chloride and Iron (III) Chloride.
2. Uses several different suffixes, depending on the types of ions involved: This points to a polyatomic ionic compound (c) which uses many suffixes such as -ate, -ite.
3. Greek Prefix System: This system is applied predominantly to name binary covalent compounds (a). For example, CO is called Carbon monoxide.
4. Contains the prefix hydro- and the suffix- ic: This rule is used to name binary acids (f). For instance, HCl in aqueous solution is called Hydrochloric acid.
5. Named after the two ions involved and uses the suffix -ide: This rule corresponds to the naming of binary ionic compounds (b). An example is NaCl, named Sodium Chloride.
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How can chloroform dissolve in water? Include information about molecular shape and polarity.
Answer:
You can dissolve about 1g of chloroform in a 100g of water; slightly less if the water is hot. This would not generally be considered 'soluble', but it's not entirely negligible either, depending on your purposes. chloroform is insoluble in water since it does not have any hydrophillic groups.
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How many moles of lead, Pb, are in 1.50 x 1012 atoms of lead?
Answer:
2.49*10⁻¹² mol
Explanation:
Use Avogadro's Number for this equation (6.022*10²³). Divide Avogrado's by the number of atoms you have to find moles. You are answer should be 2.49*10⁻¹² mol.
Answer:
2.49*10⁻¹² mol
Explanation:
Use Avogadro's Number for this equation (6.022*10²³). Divide Avogrado's by the number of atoms you have to find moles. You are answer should be 2.49*10⁻¹² mol.
Plz let me know if it is correct.
Please help! What is the molarity of 450 mL of solution containing 15 g NaCl?
Answer:
The answer to your question is 0.6 M
Explanation:
Data
Molarity = ?
Volume = 450 ml
mass of NaCl = 15 g
Process
1.- Calculate the molar mass of NaCl
NaCl = 23 + 35.5 = 58.5 g
2.- Calculate the number of moles of NaCl
58.5 g of NaCl ------------ 1mol
15 g of NaCl ------------ x
x = (15 x 1)/58.5
x = 0.26 moles
3.- Calculate the molarity
Molarity = moles/volume
-Substitutiion
Molarity = 0.26/0.45l
-Result
Molarity = 0.6 M
The molarity of a 450 mL solution containing 15g NaCl is calculated by converting the mass of NaCl to moles, converting the volume of the solution to liters, and applying the molarity formula. The molarity is thus found to be approximately 0.57 M.
Explanation:To determine the molarity of the solution, we will need to apply the formula for molarity which is the number of moles of solute per liter of solution. Let's follow these steps:
Convert from grams to moles of NaCl using the molar mass of NaCl which is approximately 58.44 g/mol. Hence, 15g of NaCl is about 0.256 mol NaCl.Next, we convert the volume of the solution from milliliters to liters. 450 mL is equal to 0.45 L.Finally, we apply the formula for molarity. Using the values calculated, we find the molarity to be M= 0.256 mol / 0.45 L which equals 0.57 M.Learn more about Molarity here:https://brainly.com/question/8732513
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What is the total charge of an ionic compound
Answer:
Zero
Explanation:a ionic compound consists of an equal number or positive and negative ions
how to make a milkshake?
Answer:
Strawberry? Peppermint fudge? Bananarama? Any flavor you like! Learn how to make milkshakes from scratch with our step-by-step guide (plus pretty pictures).
Milkshakes are one of the most iconic American desserts. They’re refreshingly cool, slurp-ably sweet and come in pretty much any flavor you can imagine. But you don’t need to belly up to a vinyl booth to enjoy one. Making a milkshake from scratch is simple. If you’ve got a tub of ice cream on hand, you’re halfway there. Follow along as our test kitchen shows how to make the most flavorful milkshake.
In the mood for more classic sweets? These vintage dessert recipes are making a comeback.
How to Make the Best Milkshake Ever
Ingredients
1/3 cup milk.
You can use 2%, whole milk, or a blend of milk and half-and-half.
1-1/2 cups ice cream
Vanilla makes a good base for most shakes, or you can use a flavor like chocolate.
Delicious mix-ins!
Think a swirl of chocolate syrup, peanut butter, a chopped banana or other fruit, a handful of chocolate or butterscotch chips (we could go on and on…)
A blender, of course.
You can use a classic stand blender-or an immersion blender if you want to make it right in your glass.
Instructions
Step 1: Add the Milk, Ice Cream and Mix-Ins
Learn how to make a milkshake
TASTE OF HOME
Send your ingredients straight to the blender. For best results, put in your milk first. That will get the blender mixing quickly. Be sure to let your ice cream soften before scooping. If it’s too hard, you might end up having to add more milk, which thins the shake.
Test Kitchen tip: For an ultra-rich shake, use whole milk or milk with a little half-and-half cream. But never use heavy cream. If you send that through the blender, it’ll create little bits of butter.
We’re going to make a strawberry shake, so we’ll add 1/2 cup frozen unsweetened strawberries and 1 tablespoon strawberry preserves.
Editor’s tip: Remember that any ingredients you add will soon be pulverized in the blender. If you want to keep the size and shape of mix-ins like sprinkles, cherries or chocolate chips, it’s best to reserve as a garnish.
Step 2: Blend ’til smooth
Ice cream, milk and strawberries in a blender
It’s time to blend away. You’ll want to keep an eye on the consistency. This recipe creates a Goldilocks-style shake: not too firm and not too soft (runny). Of course, you can always customize it either way. Use less milk for a thicker, spoonable shake; more for a thinner, sippable one.
Be sure to check our our Test Kitchen’s recommendation for the best blender for your milkshake.
Step 3: Pour and Enjoy!
Strawberry milkshake in a glass with a green striped straw sticking out
Pour your milkshake into a chilled glass to serve. It tastes great straight-up or topped with a tower of whipped cream. Feeling fancy? Layer on toppings like chocolate syrup, sugary cereal or rainbow sprinkles. Once you’ve mastered the classic garnishes, try these crazy takes!
Answer:
Explanation:
4 large scoops of whatever flavor icecream you want
1/4 cup of milk
in the blender blend all together
pour into a glass
add whip cream sprinkles and a cherry
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What do acid compounds contain? molecules ions hydrogen oxygen
Answer:
most acids contain something called hydrogen atoms
Explanation:
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How many moles of H2SO4 do you have if there are 1.64x10^22 molecules of H2SO4
0.027 moles of [tex]H_{2} S_{} 0_{4}[/tex] if there are 1.64x[tex]10^{22}[/tex] molecules of [tex]H_{2} S_{} O_{4}[/tex]
Explanation:
Data given:
number of molecules of [tex]H_{2} S_{} 0_{4}[/tex] = 1.64 X [tex]10^{22}[/tex]
Atomic weight of the sulphuric acid = 98.07 grams/mole
We know that 1 mole of sulphuric acid has 6.022 x [tex]10^{23}[/tex] (Avagadro number) molecules.
so number of moles present in 1.64 X [tex]10^{22}[/tex] molecules is given by:
so to get moles we will use
number of moles = [tex]\frac{number of molecules given}{avagadro number}[/tex]
number of moles = [tex]\frac{1.64 X 10^{22} }{6.022 X 10^{23} }[/tex]
number of moles = 0.027 moles
So, 1.64 X [tex]10^{22}[/tex] molecules will be there in 0.027 moles of sulphuric acid.
Hydrogen peroxide also called
Answer:
dihydrogen dioxide, hydrogen dioxide, hydrogen oxide, oxydol, peroxide, H2O
Competition between two species occurs when
1. Mold grows on a tree that has fallen in the forest
2. Chipmunks and squirrels eat sunflower seeds in a garden
3. A crow feeds on the remains of a rabbit killed on the road
4. A lion stalks, kills, and eats an antelope
Final answer:
Interspecific competition happens when two species compete for the same limited resources, such as chipmunks and squirrels competing for sunflower seeds, with one species typically having a competitive advantage over the other.
Explanation:
Interspecific Competition
Competition between two species occurs when they are both striving for limited resources in the same area. An example of such competition might occur when chipmunks and squirrels compete for sunflower seeds in a garden. This is known as interspecific competition, which involves individuals of different species. In this competition, one of the species will typically be better adapted to the environment and will therefore have a competitive advantage over the other, resulting in greater reproductive success and survival. For instance, if squirrels are more effective at gathering sunflower seeds than chipmunks, the squirrels might have a higher survival rate, impacting the chipmunk population negatively.
In contrast, intraspecific competition occurs when members of the same species compete against each other for resources, such as two male deer clashing antlers to compete for mates. Both forms of competition are crucial factors in natural selection and can lead to the evolution of species-specific adaptations, also referred to as character displacement.
16. Circle the letter of each chemical equation that is balanced.
a. H2 + O2 + H2O
b. Mg + O2 + Mgo
c. Na + O2 → Na20
d. 2 H2O2 → 2 H2O + O2
(How are you posted to know help please I don't get it...)
Answer:
d
Explanation:
a) This is not an equation.
b) This is not an equation.
c) The reactant side has 1 Na and 2 O while the product side has 2 Na and 2 O, therefore it is not balanced
d) The reactant side has 4 H and 4 O and the product side has 4 H and 4 O, therefore it is balanced.
Which of the following might not have DNA in double-helix form?
A)A human
B)A bacterium
C)A bird
D)A tree
Answer:
B
Explanation:
Answer:
D.A tree
Explanation:
What is the hydroxide ion concentration of a solution whose pOH is 6.42?
Your answer:
3.8 x 10-7M
2.6 x 10-7M
2.6 x 10-8 M
3.8 x 10-8 M
Answer : The hydroxide ion concentration of a solution is, [tex]3.8\times 10^{-7}M[/tex]
Explanation :
As we know that:
pH : It is defined as the negative logarithm of hydrogen ion concentration.
Mathematically,
[tex]pH=-\log [H^+][/tex]
Similarly,
pOH : It is defined as the negative logarithm of hydroxide ion concentration.
Mathematically,
[tex]pOH=-\log [OH^-][/tex]
Given:
pOH = 6.42
[tex]6.42=-\log [OH^-][/tex]
[tex][OH^-]=3.8\times 10^{-7}M[/tex]
Therefore, the hydroxide ion concentration of a solution is, [tex]3.8\times 10^{-7}M[/tex]
Prove to me that 0.85% NaCl (basic solution of an IV) is isosmotic. That is, that it is approximately 300 mosmo/L in concentration. You must show ALL your work, cancelling out all units. You must show units on each step. As a starter, the above concentration is equal to 0.85g Nacl/ 100 ml.
Answer:
the osmolarity of the 0.85% NaCl solution is approximately equal to 300 mosmol/L.
Explanation:
Molarity= number of moles/volume of the solution in liters
volume of the solution= 100 mL
1 L= 1000 mL
100 mL= 100/1000=0.1 L
molar mass of NaCl= 58.44 g/mol
number of moles= mass in gram/gram molecular mass
= 0.85/58.44
= 0.01455
molarity= number of moles/volume of the solution in liters
= 0.01455 / 0.1
= 0.1455 M
1 M= 1000 mM
so 0.1455 M = 0.1455 × 1000
= 145.5 mM
Osmolarity is the concentration of solutes in the solution.
NaCl dissociates to Na+ and Cl-
so osmolarity of 145.5 mM NaCl= 2 × 145.5
= 291 mosmol/L
Therefore, we conclude that the osmolarity of the 0.85% NaCl solution is approximately equal to 300 mosmol/L.
what is the pupeese for a stage on microscope
Answer and Explanation:
The stage of a microscope is where the slide holding the specimen will be placed. Such a platform is required so that the viewer can more easily zoom into the organism and observe the slide through the microscope. Without the stage, it is very possible that the slide will be too far away to properly see anything.
Hope this helps!
25.34/5.98 = ?, what is the answer reported to the correct number of significant figures?
Answer:
25.34/5.98 =
4.23745819398
4.24
The significant figures is 4
The correct no of significant is 1
Explanation:
Significant figures are all numbers that add to the meaning of the overall value of the number. To prevent repeating figures that aren't significant, numbers are often rounded. One must be careful not to lose precision when rounding. Many times rounding numbers are for the purpose of simplicity only. Use the rounding calculator to assist in such problems.
What is one limitation of descriptive investigations?
They cannot show cause and effect.
They produce lots of data.
They can be done at a lower cost.
They follow procedures.
Answer:the answer is A. They cannot show cause and effect
Answer:
A
Explanation: I just did this on edgenuiity and got it right
What is the pH when the poH value is 2?
Answer:
i hate my life PERIODT
Explanation:
WHY AM I HERE :/
If the pressure, volume, and the number of moles of a gas are known, which is needed to calculate the universal gas consta
from the ideal gas law?
the temperature of the gas
the molar volume of the gas
the molar mass of the gas
the partial pressure of the gas
Answer:the temperature of the gas
Explanation:
one mole of an ideal gas
occupies a volume of 22.4
liters at
Answer : One mole of an ideal gas occupies a volume of 22.4 liters at STP.
Explanation :
As we know that 1 mole of substance occupies 22.4 liter volume of gas at STP conditions.
STP stands for standard temperature and pressure condition.
At STP, pressure is 1 atm and temperature is 273 K.
By using STP conditions, we get the volume of 22.47 liter.
Hnece, the one mole of an ideal gas occupies a volume of 22.4 liters at STP.
A 1.5 mol sample of radon gas has a volume of 21.0L at 33°C.
What is the pressure of the gas?
A) 37.7 atm B) 1.8°C C) 1.8K D) 1.8 atm
Answer:
The correct answer is D) 1.8 atm.
Explanation:
We use the ideal gas formula (PV= nRT). We first convert the unit of temperature in degrees Celsius to Kelvin. We use the ideal gas constant R = 0.082 l atm / K mol. We solve P:
273K =0°C ---> 33°C= 273 + 33=306 K
PV= nRT ----> P =(nRT)/ V
P= ( 1,5 mol x 0.082 l atm / K mol x 306 K)/ 21,0 L
P= 1,79 atm
Ammonium hydroxide is a weak base according to the Arrhenius definition. This means that ammonium hydroxide-
A.receives most of its H+ in solution.
B.gives up some of its Ht in solution.
C.receives most of its OH in solution.
D.gives up some of its OH in solution.
Answer:
D
Explanation:
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Ammonium hydroxide, a weak base, according to the Arrhenius definition, gives up some of its OH- ions in solution.
Explanation:Ammonium hydroxide is considered a weak base according to the Arrhenius definition beacause it dissociates in water to some extent and produces hydroxide ions (OH-). So, the correct choice in this case is (D) 'gives up some of its OH in solution'. It doesn't receive most of its H+ in solution, which makes options A and B incorrect, and it does not receive most of its OH- ions instead it donates them in the solution, making option C incorrect as well.
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Which color of the visible spectrum has the shortest wavelength?
1violet
2blue
3yellow
4red
Answer:
violet
Explanation:
Violet has the shortest wavelength at 380 nanometers
The correct option is 1 i.e, Violet light has the shortest wavelength in the visible spectrum at approximately 380-450 nm and carries the most energy. Red light has the longest wavelength, about 620-750 nm, and the least energy.
The visible light spectrum consists of a range of colors that our eyes perceive as different wavelengths. Of these colors, violet light has the shortest wavelength, approximately 380-450 nanometers (nm). Because it has the shortest wavelength, violet light also carries the most energy. On the other end of the spectrum, red light has the longest wavelength, about 620-750 nm, and thus carries the least energy. To remember the order of colors from longest to shortest wavelength, you can use the mnemonic ROY G BIV, which stands for Red, Orange, Yellow, Green, Blue, Indigo, and Violet.
What is the ability to do work defined as?
pressure
energy
force
temperature
Answer:
Your answer is Energy
At what temperature will 41.6 grams N, exert a pressure of 815 mmHg in a
20.0L cylinder?
Hint: You must convert 41.6 g into moles FIRST, then use Ideal gas law to solve
for temperature.
134K
O 238 K
O 337 K.
O 176K
None of the given options are correct, and the correct answer is 174 K.
Explanation:
Mass of N = 41.6 g
Moles = [tex]$\frac{given mass}{molar mass}[/tex]
= [tex]$\frac{41.6 g}{28 g/ mol}[/tex] = 1.5 moles
Pressure, P = 815 mm Hg = 1.07 atm
Volume, V = 20 L
R = gas constant = 0.08205 L atm mol⁻¹ K⁻¹
Temperature, T = ? K
We have to use the ideal gas equation,
PV = nRT
by rearranging the equation, so that the equation becomes,
T = [tex]$\frac{PV}{nR}[/tex]
Plugin the above values, we will get,
T = [tex]$\frac{1.07 \times 20}{1.5 \times 0.08205}[/tex]
= 174 K
So the temperature of the nitrogen gas is 174 K.
Final answer:
The temperature at which 41.6 grams of nitrogen exert a pressure of 815 mmHg in a 20.0L cylinder is calculated using the ideal gas law and is approximately 177 Kelvin.
Explanation:
To find the temperature at which 41.6 grams of nitrogen (N₂) will exert a pressure of 815 mmHg in a 20.0L cylinder, we need to use the ideal gas law, which is PV = nRT.
First, we convert the mass of nitrogen to moles. The molar mass of N₂ is 28.02 g/mol, so:
moles of N₂ = 41.6 g ÷ 28.02 g/mol = 1.484 moles of N₂
Using the ideal gas law:
R = 62.36 L mmHg / (mol·K)
We have:
PV = nRT
(815 mmHg)(20.0 L) = (1.484 mol)(62.36 L mmHg / mol·K)T
T = (815 mmHg × 20.0 L) / (1.484 mol × 62.36 L mmHg / mol·K)
T = 16370 mmHg·L / (92.48104 mol·L mmHg / mol·K)
T = 177 K (rounded to 3 significant figures)
The temperature at which 41.6 grams of nitrogen will exert a pressure of 815 mmHg in a 20.0L cylinder is approximately 177 Kelvin.
Ammonia and copper(II) oxide react to form solid copper, water and nitrogen gas. What are the coefficients for the balanced chemical equations.
A: 2,2,2,1,1
B: 1,2,1,2,1
C: 1,3,3,3,1
Answer:
a
Explanation:
Answer:
i am also positive it is A
Explanation:
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Given the balanced equation 2C4H10 + 13O2 → 8CO2 + 10H2O, how many moles of CO2 are produced when 14.9g of O2 are used?
Answer: The number of moles of [tex]CO_2[/tex] produced are, 0.287 moles.
Explanation : Given,
Mass of [tex]O_2[/tex] = 14.9 g
Molar mass of [tex]O_2[/tex] = 32 g/mol
First we have to calculate the moles of [tex]O_2[/tex]
[tex]\text{Moles of }O_2=\frac{\text{Given mass }O_2}{\text{Molar mass }O_2}[/tex]
[tex]\text{Moles of }O_2=\frac{14.9g}{32g/mol}=0.466mol[/tex]
Now we have to calculate the moles of [tex]CO_2[/tex]
The balanced chemical equation is:
[tex]2C_4H_{10}+13O_2\rightarrow 10H_2O+8CO_2[/tex]
From the reaction, we conclude that
As, 13 mole of [tex]O_2[/tex] react to give 8 moles of [tex]CO_2[/tex]
So, 0.466 mole of [tex]O_2[/tex] react to give [tex]\frac{8}{13}\times 0.466=0.287[/tex] mole of [tex]CO_2[/tex]
Therefore, the number of moles of [tex]CO_2[/tex] produced are, 0.287 moles.
Consider this reaction:
Which is the base in this reaction?
Kinetic molecular theory explains changes in _ ?
A) states of matter
B) polarity
C) electronegativity
D) potential energy
Answer:
A) States of matter
Explanation:
Hope this answer helps you
Final answer:
The kinetic molecular theory explains changes in states of matter, as it relates to the balance between particle motion (kinetic energy) and intermolecular forces influenced by temperature and pressure. Correct option is A.
Explanation:
The kinetic molecular theory explains changes in states of matter. It posits that matter is composed of tiny particles that are always in motion. The balance between the kinetic energy, which is related to the particle motion, and the intermolecular forces, which are attractive forces between particles, determines a substance's state. Temperature changes can alter the kinetic energy of particles, leading to state changes. Similarly, increasing pressure compacts molecules closer together, enhancing the intermolecular forces, and potentially causing a phase change.
Describe the two processes of the carbon cycle
The two processes of carbon cycle are rapid carbon exchange and the long-term cycling of carbon.
What are the two process of carbon cycle?The carbon cycle consists of two interconnected processes: rapid carbon exchange among living organisms and the long-term cycling of carbon through geologic processes.
In the first process, photosynthesis consumes carbon dioxide and produces oxygen, while aerobic respiration consumes oxygen and produces carbon dioxide. These two processes play an important role in the carbon cycle.
In the second process, carbon is stored for long periods in carbon reservoirs such as the atmosphere, bodies of liquid water, ocean sediment, soil, land sediments, and the Earth's interior.
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