Thermodynamics

Which of the following is a state function in thermodynamics?

According to the first law of thermodynamics, the change in internal energy (ΔU) is given by:

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

Calculate the work done when 2 moles of an ideal gas expand isothermally at 300 K from 5 L to 10 L. (R = 8.314 J/mol·K)

Which law of thermodynamics states that entropy of a perfect crystal at absolute zero is zero?

Entropy change (ΔS) for a reversible isothermal expansion of an ideal gas is given by:

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

Calculate ΔH° for the reaction: 2H2 + O2 → 2H2O (g) given ΔHf°(H2O) = -241.8 kJ/mol, ΔHf°(H2) = 0, ΔHf°(O2) = 0.

Which of the following statements about Gibbs free energy (G) is correct?

For a spontaneous process at constant temperature and pressure, which condition must be satisfied?