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Dessicants(drying agents) can often be regenerated by heating. A dessicant that is commonly regenerated is CaSO4.2H2O:
CaSO4.2H2O(s) → CaSO4(s) + 2H2O(g)
Ho = 25.1 kJ/mol; ?So = 69.3 J/molK
Regeneration is carried out at 250 oC.
(a) What is the ?Go for this reaction?
(b) What is the equilibrium constant at 25 oC?
(c) What is the ratio K250 C/K25C?
(d) What is the equilibrium constant at 250 oC
(e) Is regeneration of this dessicant an enthalpy- or entropy-driven process? Explain your answer.
Write down the molecular formula of the overall oxidation reaction of a fatty acid in these three reaction cascades. What roles do A and B play in these reaction cascades?
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