075. Решение задачки по химии37

2. The ideal gas nitrogen occupies a volume of 74 liters at a temperature of 420 K. At a constant pressure of 1 atm, it was transferred to a state with a temperature of 570 K.
Need to find:
1) number of moles of gas;
2) the change in entropy during this transition, assuming that the heat capacity of the gas does not depend on temperature.

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