Question: An ideal gas sample expands isothermally by tripling its volume and doing 5.0 x 104J of work at 40 oC. (a) How many moles of

An ideal gas sample expands isothermally by tripling its volume and doing 5.0 x 104J of work at 40 oC.
(a) How many moles of gas are there in the sample?
(b) Was heat added to or removed from the sample, and how much?

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