Question Detail

CHM 101 Thermochemistry II Objective Question

Question

What is the sign convention for work (w) in thermochemistry?
Options
A w > 0 when work is done by the system
B w > 0 when work is done on the system
Correct Answer
C w is always positive
D w is always negative
Correct Answer

Option B is the correct answer.

Detailed Explanation

w > 0 means work is done on the system. w < 0 means work is done by the system. Any energy entering the system has a positive sign.

Hint

The notes explain the sign convention.

Question Info