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An ideal gas undergoes an expansion in which the internal energy decreases by 2.0 J.

If 1.5 J of work is done by the gas in the expansion, calculate the heat, $q$, for the process.

A

$q=0.5\text{ J}$

B

$q=3.5\text{ J}$

C

$q=-0.5\text{ J}$

D

$q=-2.5\text{ J}$

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