20. Solving a chemistry problem

7. Calculate the change in entropy (J/K) when heating 14 kg of nitrogen at a constant volume from 273 to 373 K. The dependence of heat capacity on temperature is expressed by the equation: Cv=19.56 444.27*10-3T (J/mol*K)
Possible answers:
a) 0 b) 1.65*104 C) 3266 D) 3.26
(The solution is described in detail)