Thermodynamics

Which of the following is a state function in thermodynamics?

According to the first law of thermodynamics, the change in internal energy (ΔU) of a system is equal to:

In an adiabatic process for an ideal gas, which of the following is true?

For an ideal gas undergoing an isothermal expansion, the work done by the gas is given by:

The efficiency of a Carnot engine depends on:

Which law of thermodynamics introduces the concept of entropy?

During an isochoric process, which of the following is true?

If 500 J of heat is added to a system and it does 200 J of work, what is the change in internal energy?

In an adiabatic process for an ideal gas, the relation between pressure and volume is:

A gas expands from volume V to 2V adiabatically. If the initial temperature is T, what is the final temperature? (Assume ideal gas and γ = 1.4)