Question

Suppose that a 100 mL sample of ideal gas is held in a piston-cylinder apparatus. Its volume could be increased to 200 mL by :

a. increasing the temperature from 25oC to 50oC at constant pressure.

b. increasing the pressure from 1.00 atm to 2.00 atm at constant temperature.

c. reducing the temperature from 400K to 200 K

d. reducing the pressure from 760 torr to 600 torr while increasing the temperature from 25oC to 100oC

e. reducing the pressure from 608 torr to 0.40 atm at constant temperature.

Answer 1

Answer:

a. increasing the temperature from 25⁰C to 50⁰C at constant pressure.

Explanation:

according to Charles Law

When the pressure on a sample of a dry gas is held constant, the Kelvin temperature and the volume will be directly related.

so according to equation

V∝T under constant pressure.

so increasing temperature will increase volume and vice versa.