A sample of nitrogen of mass 2.50g at 23°C is allowed to expand reversibly and adiabatically from 400 cm³ to 2.0 dm³. what is the work done (in joule) by the gas? Please round your answer to one decimal place. For example, 20.43 should be 20.4. number, please add negative sign to your answer. Cp,m-29.13JK-1 mol-1 If you answer is a negative

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