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

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.

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.

13 answers

The correct statement is: The relationship is directly proportional; as temperature increases, volume increases in the same way.
Which statement explains the molecular changes that occur in an enclosed gas as the pressure increases and the temperature is held constant?
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 closer together, decreasing 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, increasing the volume.
An increase in pressure causes particles to move closer together, increasing the volume.

An increase in pressure causes particles to move farther apart, decreasing the volume.
The correct statement is: An increase in pressure causes particles to move closer together, decreasing the volume.
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?
It would increase.
It would increase.

It would become zero.
It would become zero.

It would remain constant.
It would remain constant.

It would decrease.
As volume is held constant and the temperature increases, the pressure would be expected to increase.
Which option?
Apologies for the repetition. The correct option is: It would increase.
When the pressure of a gas decreases, which quantity will increase, assuming all other variables are held constant?
R
R

T
T

V
V

n
Assuming all other variables are held constant, when the pressure of a gas decreases, the quantity that will increase is volume (V).
Two balloons hold two different gases. The gases are held at the same pressure, volume, and temperature. Which quantity can differ between the two gases?
the mass of each gas
the mass of each gas

the molar volume of each gas
the molar volume of each gas

the gas constant of each gas
the gas constant of each gas

the number of moles of each gas
the number of moles of each gas
The quantity that can differ between the two gases, assuming they are held at the same pressure, volume, and temperature, is the number of moles of each gas.
Which one?
Apologies for the confusion. The correct answer is: the number of moles of each gas.