Thermodynamics - Result Question 22

23. During an isothermal expansion, a confined ideal gas does $-150 J$ of work against its surroundings. This implies that

[2011]

(a) $150 J$ heat has been removed from the gas

(b) $300 J$ of heat has been added to the gas

(c) no heat is transferred because the process is isothermal

(d) $150 J$ of heat has been added to the gas

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Answer:

Correct Answer: 23. (d)

Solution:

  1. (d) According to question work done by gas is given $-150 J$ so that according to it answer will be (d).