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Re: Ask your questions?

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Destroyer2050 is not online. Destroyer2050
Joined: 06 Mar 2011
Total Posts: 408
22 Mar 2012 11:19 PM
Just go ahead and ask me questions.
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PayloadOfPens is not online. PayloadOfPens
Joined: 07 Feb 2012
Total Posts: 661
23 Mar 2012 06:07 AM
Now seriously, YOU. SUCK. (on ice).
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sinii is not online. sinii
Joined: 30 Sep 2011
Total Posts: 15218
23 Mar 2012 07:46 AM
Ethanol melts at –114 ºC and boils at 78 ºC. The enthalpy of fusion of ethanol is 5.02 kJ/mol, and its enthalpy of vaporization is 38.56 kJ/mol. The specific heats of solid and liquid ethanol are 0.97 J/g-K and 2.3 J/g-K, respectively. Which step absorbs the largest quantity of heat when 75.0 g of ethanol at –120 ºC is converted to the vapor at 78 ºC?

Please answer.
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