What happens to the melting point for water if the pressure is reduced? a. increase b.decrease c. No effect d. Cannot be sure 2) The change in enthalpy is equal to the total variations of enthalpy during sublimation a. vaporization & melting b. vaporization & condensation c. deposition & melting d freezing & condensation 3) Ideal gas fugacity (Z=PV/RT = 1) is equivalent to the value a. P b. Patm c. 1 d. Pvap

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