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[" Calculate the enthalpy change when infinitely dilute solution of "CaCl_(2)" and "Na_(2)CO_(3)" mixed "Delta H_(1)^(@)" for "Ca^(2+)(aq)],[CO_(3)^(2-)(aq)" and "CaCO_(3)(s)" are "-129.80,-161.65,-288.5kcalmol^(-1)" repectively."],[" The enthalpies of neutralization of NaOH & NH.OH by HClare - "13680" calories and "-1227" ) calres pectively."]

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Calculate the enthalpy change when infinitely dilute solution of CaCl_(2) and Na_(2)CO_(3) are mixed. Delta H_(f)^(0) for Ca^(+2)(aq) . CO_(3)^(-2)(aq) and CaCO_(3) are -129.80,-161.7-288.50 kcal mol^(-1) respectively.

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