1.

What is the change in internal energy when 10 kg mol of Oxygen is heated from 200 K to 400 K at constant volume (Cv = 4000 J/(Degree Celsius)(Kg.mole))?(a) 2 MJ(b) 4 MJ(c) 6 MJ(d) 8 MJI had been asked this question in an interview.My doubt is from Internal Energy topic in chapter Energy Balances of Chemical Process Calculation

Answer»

Correct choice is (d) 8 MJ

The explanation: U2U1= N*Cv*(T2-T1).



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