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Author Question: Ethanol (C2H5OH) melts at -114 C. The enthalpy of fusion is 5.02 kJ mol-1. The specific heats of ... (Read 56 times)

jayhills49

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Ethanol (C2H5OH) melts at -114 °C. The enthalpy of fusion is 5.02 kJ mol-1. The specific heats of solid and liquid ethanol are 0.97 J g-1°C-1 and 2.3 J g-1°C-1, respectively. How much heat (kJ) is needed to convert 25.0 g of solid ethanol at -135 °C to liquid ethanol at -50 °C?
◦ 207.3 kJ
◦ -12.7 kJ
◦ 6.91 kJ
◦ 4192 kJ
◦ 9.21 kJ


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Marked as best answer by jayhills49 on Jul 8, 2021

C.mcnichol98

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jayhills49

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Reply 2 on: Jul 8, 2021
Excellent


flexer1n1

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Reply 3 on: Yesterday
:D TYSM

 

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