for the following equilibrium: CaCO3 (s) + 2HCl (aq) <----> CaCl2 (aq) + H2O (l) +...

Question

Question

for the following equilibrium: CaCO3 (s) + 2HCl (aq) <----> CaCl2 (aq) + H2O (l) + CO2 (g)

a. write the expression for Kc

b. write the expression for Kp

Answer 1

Answer #1

CaCO₃(s) + 2HCl(aq) <-------> CaCl₂(aq) + H₂O(l) + CO₂(g)

a) K_c = [CaCl₂][CO₂] /[HCl]²

where, [CaCl₂] , [CO₂] and [HCl] are molarity of CaCl_2, CO₂ and CaCl₂ respectively

b) K_p = [CaCl₂]P_CO2/[HCl]²

P_CO2 is partial pressure of CO₂

liquid and solid reactants and products are not involved in equillibrium expression

Answer 2

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