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August 21, 2014

Homework Help: chemistry

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 78.5C
cgas 1.43 J/g C
cliquid 2.45 J/g C
ΔHvap 40.5 kJ/mol

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