In general, for a gas at a constant volume, ____.
a.
the pressure of the gas is inversely proportional to its temperature in kelvins
b.
the volume of the gas is inversely proportional to its temperature in kelvins
c.
the volume of the gas is directly proportional to its temperature in kelvins
d.
the pressure of the gas is directly proportional to its temperature in kelvins
Answer: D