Multiple Choice
How much energy is required to heat 87.1 g acetone (molar mass = 58.08 g mol-1) from a solid at -154.0 °C to a liquid at -42. 0°C? The following physical data may be useful: ΔfusH = 7.27 kJ mol-1
Cliq = 2.16 J g-1 °C-1
Cgas = 1.29 J g-1 °C-1
Csol = 1.65 J g-1 °C-1
Tmelting = -95.0 °C
A) 8.48 kJ
B) 18.5 kJ
C) 32.2 kJ
D) 29.4 kJ
E) 9.97 kJ
Correct Answer:
Verified
Correct Answer:
Verified
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