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how many kj of heat are needed to completely melt 17.3g of H2O ,given that the...

how many kj of heat are needed to completely melt 17.3g of H2O ,given that the water is at its melting point? The heat of fusion for water is 6.02KJ/mole

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Answer #1

heat of fusion = 6.02 kJ / mol

moles of water = 17.3 / 18

                        = 0.961

heat reuired = fusion x moles

                   = 6.02 x 0.961

                    = 5.78 kJ

heat needed = 5.78 kJ

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