A sample of ideal gas is slowly compressed so that the surroundings do of work on the gas

CHEMISTRY · Single correct · A Level · Chemistry · Energetics · Energetics

Problem

A sample of ideal gas is slowly compressed so that the surroundings do

45\,\text{J}

of work on the gas. According to the usual sign convention, which value must be taken for the work term

W

in the First Law? (a)

-45\,\text{J}

(b)

+45\,\text{kJ}

(c)

+45\,\text{J}

(d)

0