A Flexible Container Is Charged with a Certain Volume of Gas

Multiple Choice

A flexible container is charged with a certain volume of gas at 315.0 Κ.Under conditions of constant pressure and moles of gas,how does the temperature of the gas change when the volume is tripled?

A) The temperature increases by a factor of three.
B) The temperature decreases by a factor of four.
C) The temperature decreases by a factor of two.
D) The temperature increases by a factor of four.
E) The temperature increases by a factor of two.