Calculate standard enthalpy?

Using appropriate tables Calculate Standard enthalpy of the following reactions: A.)at 298.15 K in kJ/mol: Cu(NO3)2(aq) + Na2SO4(aq) ---> CuSO4(s) + 2 NaNO3(aq) B.)at 298.15 K in kJ/mol: AgNO3(aq) + KCl(aq) ---> AgCl(s) + KNO3(aq) C.)at 298.15 K in kJ/mol: ... show more Using appropriate tables Calculate Standard enthalpy of the following reactions:

A.)at 298.15 K in kJ/mol:
Cu(NO3)2(aq) + Na2SO4(aq) ---> CuSO4(s) + 2 NaNO3(aq)

B.)at 298.15 K in kJ/mol:
AgNO3(aq) + KCl(aq) ---> AgCl(s) + KNO3(aq)

C.)at 298.15 K in kJ/mol:
NH3(aq) + H2O(l) ---> NH4+(aq) + OH-(aq)
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