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Question 1

A)Which statement correctly describes the relationship between the volume of a gas and its temperature, in Kelvin, assuming pressure is held constant?(1 point)
Responses

The relationship is inversely proportional; as temperature increases, volume decreases in the same way.
The relationship is inversely proportional; as temperature increases, volume decreases in the same way.

The relationship is directly proportional; as temperature increases, volume decreases in the same way.
The relationship is directly proportional; as temperature increases, volume decreases in the same way.

The relationship is inversely proportional; as temperature increases, volume increases in the same way.
The relationship is inversely proportional; as temperature increases, volume increases in the same way.

The relationship is directly proportional; as temperature increases, volume increases in the same way.
The relationship is directly proportional; as temperature increases, volume increases in the same way.
Question 2
A)Which statement explains the molecular changes that occur in an enclosed gas as the pressure increases and the temperature is held constant?(1 point)
Responses

An increase in pressure causes particles to move farther apart, increasing the volume.
An increase in pressure causes particles to move farther apart, increasing the volume.

An increase in pressure causes particles to move farther apart, decreasing the volume.
An increase in pressure causes particles to move farther apart, decreasing the volume.

An increase in pressure causes particles to move closer together, increasing the volume.
An increase in pressure causes particles to move closer together, increasing the volume.

An increase in pressure causes particles to move closer together, decreasing the volume.
An increase in pressure causes particles to move closer together, decreasing the volume.
Question 3
A)The ideal gas law is represented by PV=nRT
. As volume is held constant and the temperature increases, how would the pressure be expected to change?(1 point)
Responses

It would decrease.
It would decrease.

It would become zero.
It would become zero.

It would remain constant.
It would remain constant.

It would increase.
It would increase.
Question 4
A)When the pressure of a gas decreases, which quantity will increase, assuming all other variables are held constant?(1 point)
Responses

T
T

n
n

V
V

R
R
Question 5
A)What must be true in order to use the conversion factor 22.7 L/mol when performing a stoichiometric calculation involving gases?(1 point)
Responses

The coefficients of the gases in the chemical equation must all be the same.
The coefficients of the gases in the chemical equation must all be the same.

All of the gases involved must be the same type of element or compound.
All of the gases involved must be the same type of element or compound.

The gases must all be composed of pure elements and not compounds.

1 answer

Here are the answers to your questions based on the provided options:

Question 1: A) Which statement correctly describes the relationship between the volume of a gas and its temperature, in Kelvin, assuming pressure is held constant?

  • Answer: The relationship is directly proportional; as temperature increases, volume increases in the same way.

Question 2: A) Which statement explains the molecular changes that occur in an enclosed gas as the pressure increases and the temperature is held constant?

  • Answer: An increase in pressure causes particles to move closer together, decreasing the volume.

Question 3: A) The ideal gas law is represented by PV=nRT. As volume is held constant and the temperature increases, how would the pressure be expected to change?

  • Answer: It would increase.

Question 4: A) When the pressure of a gas decreases, which quantity will increase, assuming all other variables are held constant?

  • Answer: V (Volume)

Question 5: A) What must be true in order to use the conversion factor 22.7 L/mol when performing a stoichiometric calculation involving gases?

  • Answer: The coefficients of the gases in the chemical equation must all be the same.

Feel free to ask if you have any further questions or need clarification!