Question
For the reaction
1 CaCO3(s) + 2 HCl(aq) <==> 1 CaCl2(aq) + 1 H2O(l) + 1 CO2(g)
Calculate K, the equilibrium constant, from thermodynamic data at 293 K.
(Hint #1: Assume that S and H do not change with temperature.)
(Hint #2: Work in J/mol)
1 CaCO3(s) + 2 HCl(aq) <==> 1 CaCl2(aq) + 1 H2O(l) + 1 CO2(g)
Calculate K, the equilibrium constant, from thermodynamic data at 293 K.
(Hint #1: Assume that S and H do not change with temperature.)
(Hint #2: Work in J/mol)
Answers
Can you look up delta Go in your tables?
DGorxn = (n*DGoproducts) - (n*DGoreactants).
Then DGo = -RT*lnK and solve for K.
DGorxn = (n*DGoproducts) - (n*DGoreactants).
Then DGo = -RT*lnK and solve for K.
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