Q120 · CSIR-NET Chemistry, December 2015

Paper: CSIR-NET December 2015 · Subject: Physical Chemistry · Chapter: Thermodynamics · Topic: Laws State Functions · Marks: 2 · Difficulty: Easy

If the pressure p (system) is greater than the p (surroundings), then
(a)work is done on the system by the surroundings
(b)work is down on the surroundings by the systems
(c)work done on the system by the surroundings is equal to the work done on the surroundings by the system
(d)internal energy of the system increases
Answer
Answer: B ✓ checked by 4AB · confidence high
Explanation
If the system's pressure exceeds the surroundings', the system expands and does work on the surroundings.

Study loop for Thermodynamics

1. Practise the PYQsPrevious-year questions, with answers

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