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If the internal energy of a system decreases due to work done by the system, which of the following must be true?

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MCQ_SA

Single Answer MCQ

Q-00054756

Heat is absorbed by the system

Work is done on the system

The system is adiabatic

Work exceeds heat transferred to the surroundings

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Q1.

What is the change in internal energy when no heat is added to the system, but work is done on it?

Q2.

If a system does work on its surroundings and no heat is exchanged, what equation describes the change in internal energy?

Q3.

When heat is removed from a system and no work is done, what can be said about the change in internal energy?

Q4.

What type of wall would a system have if it cannot exchange heat but can do work?