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Melting point of ice...

Melting point of ice

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(i) Calculate the change in entropy for the fusion of 1 mole of ice. The melting point of ice is 273 K and molar enthalpy of fusion for ice = 6.0 kJ/mole. (ii) Calculate the standard of entropy change for the following reaction. {:(,H^(+)(aq), + OH(aq)to, H_(2)O(l)),(S^(@)(298 K)//JK^(-1)mol^(-1),0,-10.7,+70):}

At its melting point ice is lighter than water because

Assertion: The melting point of solid (except ice) increases with increase in pressure. Reason: An increasion in pressure favours the change where volume decreases.