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Copper (II) sulphate reacts with barium chloride according to the equation below.
#CuSO(aq)+BaCl_2(aq)toCuCl_2(aq)+BaSO_4(s) ; DeltaH =-17.7 kJmol^-1#
Calculate the temperature change when #900cm^3# of 1M copper (II) sulphate were added to 600#cm^3# of 1M barium(II)chloride.(Assume
heat capacity of solution is #4.2Jg^-1K^-1# and density is 1g#cm^-3#)