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11 Dec 2019

How much energy is required to heat 36.0 g H2O from a liquid at 65°C to a gas at 115°C? The following physical data may be useful.

ΔHvap = 40.7 kJ/mol
Cliq = 4.18 J/g°/sup>C
Cgas = 2.01 J/g°/sup>C
Csol = 2.09 J/g°/sup>C
Tmelting = 0°/sup>C
Tboiling = 100°/sup>C

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Tod Thiel
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13 Dec 2019

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Related questions

How much energy is required to heat 92.1 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.

ΔHfus = 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

How much energy must be removed from a 125 g sample of benzene (C6H6) vapor at 425.0 K to make it a solid at 200.0 K? Use the following steps to get to your answer. You MUST show your work to receive any credit. The following physical data for benzene may be useful. The quiz will be due at the beginning of class on 2/17/16. ΔHvap = 33.9 kJ/mol ΔHfus = 9.8 kJ/mol Cliq = 1.73 J/g°C Cgas = c Csol = 1.51 J/g°C Tmelting = 279.0 K Tboiling = 353.0 K

1) Determine number of moles the sample contains.

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

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