An excess of zinc powder was added to 50.00 cm^3 of aqueous silver nitrate solution, concentration 0.100moldm^-3. Temperature rose by 4.3 C. Calculate enthalpy change for the reaction:
Zn(s) + 2Ag+ (aq) = Zn2+ (aq) +2Ag (s) Density = 1gcm^3 Specific heat capacity = 4.18Jg-1C-1