Given the following illustration, what can be said about the sign of ΔS for the process of solid NaCl dissolving in water? What can be said for ΔH about this process?
Answer to relevant QuestionsDiscuss the relationship between wmax and the magnitude and sign of the free energy change for a reaction. Also discuss wmax for real processes. Consider the following system at equilibrium at 25oC: PCl3(g) + Cl2(g) ⇌ PCl5(g) ΔGo = –92.50 kJ What will happen to the ratio of partial pressure of PCl5 to partial pressure of PCl3 if the temperature is raised? ...Calculate the entropy change for the vaporization of liquid methane and hexane using the following data: Compare the molar volume of gaseous methane at 112 K with that of gaseous hexane at 342 K. How do the differences in ...Consider 1.0 mole of a monatomic ideal gas in a container fitted with a piston. The initial conditions are 5.0 L and P = 5.0 atm at some constant T. a. If the external pressure is suddenly changed to 2.0 atm, show that ...Consider 1.00 mole of an ideal gas that is expanded isothermally at 25oC from 2.45 × 10-2 atm to 2.45 × 10-3 atm in the following three irreversible steps: Step 1: from 2.45 × 10-2 atm to 9.87 × 10-3 atm Step 2: from ...
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