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When a fixed amount of ideal gas goes through an isothermal (constant temperature) expansion Group of...

When a fixed amount of ideal gas goes through an isothermal (constant temperature) expansion

Group of answer choices

its pressure must increase.

its internal energy does not change.

no heat enters or leaves the gas.

the gas does no do work.

its temperature must decrease.

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Answer #1

Hence, the only correct option is that it's internal energy doesn't changes.

Hope it helps.

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