Posted by **Celeste** on Thursday, November 10, 2011 at 8:04pm.

From data below, calculate the total heat (J) needed to convert 0.172 mol of gaseous ethanol (C2H6O) at 451° C and 1 atm to liquid ethanol at 25.0° C and 1 atm.

Boiling point at 1 atm 78.5°C

cgas 1.43 J/g · °C

cliquid 2.45 J/g · °C

ΔH°vap 40.5 kJ/mol

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