4. Solving a chemistry problem
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1. Calculate the heat of formation of the anhydrous CuCl2 salt using the following data:
CuO(t) 2HCl(aq) = CuCI2(aq) H2O(l) - 63.89 kJ
CuCI2(t) aq = CuCI2(aq) - 46.36 kJ
Cu (t) 0.5O2 (g) \u003d CuO (t) - 155.2 kJ
H2(g) Cl2(r) aq = 2HCl - 328.9 kJ
H2(g) 0.5O2(g) = H2O(l) - 285.8 kJ
CuO(t) 2HCl(aq) = CuCI2(aq) H2O(l) - 63.89 kJ
CuCI2(t) aq = CuCI2(aq) - 46.36 kJ
Cu (t) 0.5O2 (g) \u003d CuO (t) - 155.2 kJ
H2(g) Cl2(r) aq = 2HCl - 328.9 kJ
H2(g) 0.5O2(g) = H2O(l) - 285.8 kJ
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