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Chloromethane, CH3Cl, has been used as a topical anesthetic and has a heat of vaporization of...

Chloromethane, CH3Cl, has been used as a topical anesthetic and has a heat of vaporization of 21.40 kJ/mol. How much energy is needed to convert 56.75 g of the liquid to a gas at its boiling point of -24.1°C?

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