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Ethanol (C2H5OHC2H5OH) melts at -114 ∘C∘C and boils at 78 ∘C∘C. The enthalpy of fusion of...

Ethanol (C2H5OHC2H5OH) melts at -114 ∘C∘C and boils at 78 ∘C∘C. The enthalpy of fusion of ethanol is 5.02 kJ/molkJ/mol, and its enthalpy of vaporization is 38.56 kJ/molkJ/mol. The specific heat of solid and liquid ethanol are 0.97 J/g⋅KJ/g⋅K are 2.3 J/g⋅KJ/g⋅K respectively. Please explain steps.

A. How much heat is required to convert 35.5 gg of ethanol at 38 ∘C∘C to the vapor phase at 78 ∘C∘C?

Express your answer using two significant figures.

B. How much heat is required to convert 35.5 gg of ethanol at -158 ∘C∘C to the vapor phase at 78 ∘C∘C?

Express your answer using two significant figures.

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