Question: SHOW COMPLETE SOLUTION AND WRITE THE ANSWERS IN 4 DECIMAL PLACES Equilibria in Hydrates The equilibrium constants for the dissociation of hydrates are given simply

SHOW COMPLETE SOLUTION AND WRITE THE ANSWERS IN 4 DECIMAL PLACESSHOW COMPLETE SOLUTION AND WRITE THE ANSWERS IN 4 DECIMAL PLACES Equilibria

in Hydrates The equilibrium constants for the dissociation of hydrates are given

Equilibria in Hydrates The equilibrium constants for the dissociation of hydrates are given simply by K, =P where x is the number of moles of vapor resulting from the dissociation of the hydrate, while Pis the vapor pressure above the pair of solid phases. Note: The vapor pressure of a hydrate pair (hydrate - anhydride) is constant. Aqueous Vapor Pressure of Hydrate Pairs at 25C Hydrate Pair P (mm Hg) MgSO4.7H2O - MgSO4 6H2O 11.5 6H20-5H20 9.8 5H20 - 4H20 8.8 4H20 - H2O 4.1 H2O - MgSO4 1.0 CuSO4+H2O- CUSO43H2O 7.80 3H20 - H2O 5.60 H2O- CUSO4 0.8(2) Na2HPO4 12H20 - Na2HPO4.7H2O 19.13 7H20-2H2O 14.51 2H2O- Na2HPO4 9.80 PROBLEM 4: Given the reaction: CuSO4 3H2O.is CuSO4 2Hz0is) + H2O) the AH = 19800 and AGO = 9000 at 25C. Calculate the partial pressure of water vapor at 700K The AH is independent of temperature

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