Methanol, CH3OH, has a boiling point of 337.85 K and a melting point of 175.55 K. Its heat of fusion is 1.58 kJ/mol, and its heat of vaporization is 5.64 kJ/mol. The specific heat capacity of solid methanol is 105 J/mol.K, of liquid methanol is 67.9 J/mol.K, and of methanol vapour is 94.5 J/mol.K. How many kJ of heat are required to convert 16.02 g of solid methanol at its melting point to methanol vapour five degrees above its boiling point?

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Methanol, CH3OH, has a boiling point of 337.85 K and a melting point of 175.55 K. Its heat of fusion is 1.58
kJ/mol, and its heat of vaporization is 5.64 kJ/mol. The specific heat capacity of solid methanol is 105
J/mol.K, of liquid methanol is 67.9 J/mol.K, and of methanol vapour is 94.5 J/mol.K.
How many kJ of heat are required to convert 16.02 g of solid methanol at its melting point to methanol
vapour five degrees above its boiling point?
Transcribed Image Text:Methanol, CH3OH, has a boiling point of 337.85 K and a melting point of 175.55 K. Its heat of fusion is 1.58 kJ/mol, and its heat of vaporization is 5.64 kJ/mol. The specific heat capacity of solid methanol is 105 J/mol.K, of liquid methanol is 67.9 J/mol.K, and of methanol vapour is 94.5 J/mol.K. How many kJ of heat are required to convert 16.02 g of solid methanol at its melting point to methanol vapour five degrees above its boiling point?
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