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A beaker contained 75.0 cm^3 of aqueous copper(II)sulphate at 23.70^C. when scrap iron metal was added to the solution, the temperature rose to 29.3^0C.
b) Given that the mass of copper deposited was 5.83g, calculate the molar enthalpy change in kJmol-1.(specific heat capacity of solution=4.2Jg^-1K^-1,density of solution=1.0gcm^-3,Cu=63.5)