How much energy is required to melt 432.8 g of diethyl ether at its melting point? AH fus = 7.19 kJ/mol. 3112 kJ 45.43 kJ 1231 kJ 35.69 kJ 41.98 kJ

Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter2: The First Law Of Thermodynamics
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QUESTION 10
How much energy is required to melt 432.8 g of diethyl ether at its melting point? AH
=
fus
3112 kJ
45.43 kJ
1231 kJ
35.69 kJ
41.98 kJ
7.19 kJ/mol.
Transcribed Image Text:QUESTION 10 How much energy is required to melt 432.8 g of diethyl ether at its melting point? AH = fus 3112 kJ 45.43 kJ 1231 kJ 35.69 kJ 41.98 kJ 7.19 kJ/mol.
QUESTION 9
How much energy is required to boil 254.9 g of ethanol at its boiling point of 78.37 °C? AH
vap
181.5 kJ
9839 kJ
213.6 kJ
6976 kJ
574.3 kJ
= 38.60 kJ/mol.
Transcribed Image Text:QUESTION 9 How much energy is required to boil 254.9 g of ethanol at its boiling point of 78.37 °C? AH vap 181.5 kJ 9839 kJ 213.6 kJ 6976 kJ 574.3 kJ = 38.60 kJ/mol.
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