PROBLEM 2. A closed system of constant volume experiences a temperature rise of 25°C when a certain paddle work is introduced. The heat transferred in the process is 30 KJ. The specific heat at...

Extracted text: PROBLEM 2. A closed system of constant volume experiences a temperature rise of 25°C when a certain paddle work is introduced. The heat transferred in the process is 30 KJ. The specific heat at constant volume for the pure substance comprising the KJ and the system contains 2.5 kg of this substance. Determine: kg K system is 1.2 a. the change in internal energy b. work done c. paddle work