jericarembert7 jericarembert7

25-05-2023
Chemistry

contestada

For a substance found in its melting point, if the enthalpy change needed for one mole of the substance to melt is ΔH = -79kJ/mol then the enthalpy change needed for one mole of the substance to freeze is _________.
(a) ΔH = -79kJ/mol
(b) ΔH = +79kJ/mol
(c) ΔH = 0kJ/mol
(d) None of the above

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