What makes hydrogen peroxide a polar molecule?

Answers

Answer 1

Answer: C. polar bonds and asymmetrical structure
If the molecule contains polar bonds but it has a symmetrical structure, the polar bonds will cancel each other out so the overall molecule will be non-polar.
On the other hand, if the molecule contains polar bonds but has an asymmetrical structure, then the polar bonds won't cancel each other out, so the overall molecule ends up being polar.

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A gas contains a mixture of NH3(g) and N2H4(g), both of which react with O2(g) to form NO2(g) and H2O(g). The gaseous mixture (with an initial mass of 61.00 g) is reacted with 10.00 moles O2, and after the reaction is complete, 4.062 moles O2 remains. Calculate themass percent of N2H4(g) in the original gaseous mixture.
What is the molarity (M) of a solution that contains .25 moles of a compound in 1.8 L of solution?

What is true about the dilution of a solution?The amount of solute decreases.
The volume remains the same.
The amount of solvent increases.
The concentration increases.

Answers

The amount of solvent increases, since the solvent is the one diluting the solution, the more you want your solution diluted, the more of solvent you'd use. :)

The latent heat of vaporization of ethanol is 200 calories/gram. This means that _____. about 200 calories of heat must be added to 1 gram of ethanol to change its temperature about 200 calories of heat must be added to 1 gram of ethanol to convert it from a solid to a liquid about 200 calories of heat must be added to 1 gram of ethanol to convert it from a liquid to a gas

Answers

Heat of vaporization refers to the amount of energy required to vaporize some amount of a substance depending on the units. Since the units in this case is calories/gram, 200 calories are required to vaporize 1 gram of ethanol. This means that it takes 200 calories to convert 1 gram of ethanol from a liquid to a gas.

I hope this helps. Let me know if anything is unclear.

Answer:

about 200 calories of heat must be added to 1 gram of ethanol to convert it from a liquid to a gas

Explanation:

What is the mass (in grams) of 4.35 x 10^6 atoms of 12^C atom?

Answers

The mass of 4.35 ×10⁶ atoms of carbon-12 atom is 8.668×10 $^-17$ g.

What is a mole ?

A mole is a standard specific unit prescribed for measuring large quantities of entities which are very small such as atoms, molecules.It represents large number of units that is 6.022×10²³.

It was previously defined as the number which were experimentally determined to be found in 12 grams of carbon-12.Number of atoms in a mole is same for all substances.

Concept of mole provides quantitative information as to what happens in chemical reaction at a macroscopic level.It is used for determination of simplest formula of a compound.

For all practical purposes, mass of one mole of compound in grams is approximately equal to mass of one molecule of compound measured in Daltons.

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$mass = moles * Relative formula massmass = 4.35*10^6/6* 10^23 * 12mass = 8.66... * 10^-17 g$

What is made up of biotic and abiotic features

Answers

biotic - animals anything tht is living abiotic anything tht is non-living

Biotic-living organisms within an ecosystem.
Abiotic-non-living things.

Carbon dioxide is one of the main gases in the mixture of gases coming out of the kiln.Give two reasons why.

Answers

because the kiln utilizes fire, fire uses oxygen and the fuel to create CO2
CO2 would be the main gas because the main components of the reactants are carbon and oxygen, which make up CO2

Which of the following compounds is least solublein water?
(1) copper (II) chloride
(2) aluminum acetate
(3) iron (III) hydroxide
(4) potassium sulfate

Answers

Iron (III) hydroxide is the least soluble compound as it has the lowest Ksp value.

What is solubility of a solute?

The solubility is the amount of solute that can dissolve in a given volume of solvent at a particular temperature.

The solubility of substances can be compared using their their solubility products constant (Ksp) values.

Iron (III) hydroxide has the lowest Ksp value.

Therefore, Iron (III) hydroxide is the least soluble compound.

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Answer:3

Explanation:

stated

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