www.bbcnoun.com.ng 6/10 Which of these is TRUE about dH in a closed system TdS + VdP Internal energy can be considered as a criterion for spotaneity, therefore, It __________ in an irreversible process when entropy and volume are constant increases Internal energy can be considered as a criterion for spotaneity, therefore, It __________ in a reversible process when entropy and volume are constant increases General equations for the differentials of various thermodynamic functions can be written from _____________ both first and second law of thermodynamics Gibbs-Helmholtz free energy is represented by H – TS The criterion for spontaneity in terms of Gibbs free energy is that the process would be feasible if ΔG is __________. negative When the pressure and temperature remain constant, the Gibbs free energy of a system ____________ in a reversible process decreases The entropy of a pure, perfectly crystalline solid approaches zero, as temperature approaches absolute zero. This describes __________ Law of thermodynamics Third Calculate the entropy of mixing of 2.00 mol of H2 with 3.00 mol of O2 assuming that no chemical reaction occurs. 27.98 In the case of a solid-liquid transformation, Clausius-Clapeyron equation relates the latent heat of ________ to the rate of change of melting point with _____. Fussion, pressure