Internal Energy

In the First law demo question you were asked to determine the change in internal energy of the ideal gas. Your submitted answer indicates that you had trouble with the final answer. For more information on the first law of thermodyanmics see this wikipedia page.

Negative

In the First law demo question you were asked to determine the change in internal energy of the ideal gas. Your submitted answer indicates that you determined the negative of the model answer. This typically happens due to a misinterpretation of the first law. For more information on the first law of thermodyanmics see this wikipedia page.

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