Thermal Physics

Which of the following is the correct unit of specific heat capacity in the SI system?

The internal energy of an ideal gas depends on:

Which law states that the pressure of a fixed mass of gas is directly proportional to its absolute temperature at constant volume?

Calculate the amount of heat required to raise the temperature of 2 kg of water from 20°C to 80°C. (Specific heat capacity of water = 4200 J/kg·K)

An ideal gas expands adiabatically and its temperature drops from 300 K to 250 K. If the initial pressure was 2 atm, what is the final pressure? (Assume γ = 1.4)

Which of the following statements is true for a real gas compared to an ideal gas?

The latent heat of fusion of ice is 3.36 × 10^5 J/kg. How much heat is required to convert 500 g of ice at 0°C to water at 0°C?

During an isothermal expansion of an ideal gas, which of the following is true?

Derive the relation between the molar specific heats at constant pressure (C_p) and constant volume (C_v) for an ideal gas.

A Carnot engine operates between temperatures of 500 K and 300 K. What is its efficiency?