A sample of an ideal monatomic gas is initially at

PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

0.80\,\text{mol}

sample of an ideal monatomic gas is initially at

300\,\text{K}

. The gas then absorbs

4.0\,\text{kJ}

of energy by heating while doing

1.2\,\text{kJ}

of work on its surroundings. What is the final temperature of the gas? (a)

520\,\text{K}

(b)

821\,\text{K}

(c)

580\,\text{K}

(d)

430\,\text{K}