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13 Dec 2019
How much energy is required to heat 87.1 g acetone (molar mass=58.08 g/mol) from a solid at -154.0°C to a liquid at -42.0°C? The following physical data may be useful.
Hfus = 7.27 kJ/mol
Cliq = 2.16 J/g°C
Cgas = 1.29 J/g°C
Csol = 1.65 J/g°C
Tmelting = -95.0°C
Possible answers provided : A) 18.5 kJ B) 32.2 kJ C) 29.4 kJ D) 8.48 kJ E) 9.97 kJ
WILL RATE ASAP IF ANSWER IS CORRECT, THANK YOU
How much energy is required to heat 87.1 g acetone (molar mass=58.08 g/mol) from a solid at -154.0°C to a liquid at -42.0°C? The following physical data may be useful.
Hfus = 7.27 kJ/mol
Cliq = 2.16 J/g°C
Cgas = 1.29 J/g°C
Csol = 1.65 J/g°C
Tmelting = -95.0°C
Possible answers provided : A) 18.5 kJ B) 32.2 kJ C) 29.4 kJ D) 8.48 kJ E) 9.97 kJ
WILL RATE ASAP IF ANSWER IS CORRECT, THANK YOU
Beverley SmithLv2
17 Dec 2019