2.40 moles of nitrogen gas at 252 K are kept in a container. (a) If the temperature of the gas is increased to 500 K at constant volume, how much heat was transferred to the gas? The molar specific heat capacity of nitrogen at constant volume is 20.8 J/mol. ­­­­­_________J (b) What is the change in internal energy of the gas due to this change in temperature at constant volume? _________J (c) Suppose the temperature of the gas is increased from 252 K to 500 K at constant pressure, how much heat is transferred to the gas? The molar specific heat capacity of nitrogen at constant pressure is 29.1 J/mol. _________J

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