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Multiple Choice
When water evaporates from a beaker at 25℃, 44.0 kJ/mol of heat is required. How much heat is required when 10.0 g of water completely evaporates?
H2O (l) → H2O (g); ΔH = +44.0 kJ/mol
A
440 kJ
B
7920 kJ
C
24.4 kJ
D
79.3 kJ
E
Heat is released by the system (the water) in this instance.
0:50m
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