First slide

Fundamentals of thermodynamics

Question

Which of the following statements is/are correct as per IUPAC sign convention?

Moderate

A

The work done by the system on the surrounding is negative
B

The work done by the surrounding on the system is positive
C

The heat absorbed by the system from the surrounding is positive
D

The heat absorbed by the surrounding from the system is positive

Solution

Work done by system is negative.
Work done by surrounding is positive.
Heat absorbed by system is positive
Heat absorbed by surrounding is negative.

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