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The constant pressure heat capacity (Cp) of a sample of carbon dioxide (CO₂) gas is measured to be 37.1 J/mol·K. Assuming ideal gas behavior, what is the value of its constant volume heat capacity (Cv​) under the same conditions?

ΔU and ΔH are both always equal to zero under what conditions?

The maximum work that can be delivered to the surroundings is obtained only when the process is carried out reversibly.

A system absorbs 500 J of heat from the surroundings, and at the same time the surroundings do 300 J of work on the system. What is the change in the internal energy of the system?

The standard molar formation enthalpy of an element is 0.

In thermodynamics, by the common chemistry convention, work done on the system is taken as positive, while work done by the system is negative.

For a cyclic process:

In a mixture of gases, each gas exerts the same pressure regardless of its individual amount

The average kinetic energy of gas molecules is directly proportional to the temperature of the gas in Kelvin.

For ideal and non-ideal gases, which one of the following is correct?