Which temperature change would cause the pressure of a gas to double if its volume remains the same?
A. Increasing from 20°C to 40°C
B. Increasing from 20°C to 200°C
C. Decreasing from 400°C to 200°C
D. Increasing from 200 K to 400 K

Question

Which temperature change would cause the pressure of a gas to double if its volume remains the same?
A. Increasing from 20°C to 40°C
 B. Increasing from 20°C to 200°C
 C. Decreasing from 400°C to 200°C
D. Increasing from 200 K to 400 K

Vocaloid · Answer

Gay-Lussac's Law: pressure and temperature are directly proportional to temperature

so if the pressure of the gas doubles, the temperature must also double as well