If a 1-molal solution of NaCl in water shows a freezing-point depression of 3.7oC, what is the freezing-point depression observed for a 1-molal solution of CaCl2 in water? (Recall that both NaCl and CaCl2 are completely dissociated in aqueous solution.)

MCQs on thermodynamics in classical mechanics systems. Topics include the first, second, and third laws of thermodynamics, energy, work, enthalpy, and entropy, spontaneity, chemical potential, equilibrium, phase changes, and chemical kinetics.