Internal Energy of Gases Practice Problems

What is the specific heat of oxygen (O₂; M = 32.00 g/mol) at constant volume? How does it compare with specific heat for liquid water? Hint: C_v = 20.85 J/mol•K.

2.50 mol of an ideal monoatomic gas is placed in a constant volume container. How much heat should be supplied to raise the temperature of the gas by 44 K at temperatures close to room temperature?

Calculate the heat absorbed by 1.4 moles of an ideal diatomic gas to increase its temperature by 38 K if it is placed in a constant volume container. Assume the process occurs at temperatures near room temperature.