consider-a-gas-in-a-fixed-volume-sealed-container-at-20-c-which-statement-below-

Question

Consider a gas in a fixed volume sealed container at 20°C. Which statement below describes a method to reduce the pressure of the gas by half?

i) Increasing the gas temperature up to 40°C

ii) Decreasing the gas temperature up to 10°C

iii) adding the same amount of gas as initially present

Accepted Answer

ii only

Answer

i only

Answer

iii only

Answer

i and iii

Answer

None of the actions would half the pressure.

Consider a gas in a fixed volume sealed container at 20°C. Which statement below describes a method to reduce the pressure of the gas by half? i) Increasing the gas temperature up to 40°Cii) Decreasing the gas temperature up to 10°Ciii) adding the same amount of gas as initially present