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Hercury, with a freezing point of 38.8°C, is the only metal that is liquid at room temperature. How much heat energy (in joules) must be released by mercury if 1.60 mt of then metal is cooled from room temperature (23.0°C) to 36.8°C and then frozen to a solid? (The density of mercury is 13.6 g/em. Its speciffic heat is 0.140 1/g*K and its heat of fusion is 114 /9.)

Hercury, with a freezing point of 38.8°C, is the only metal that is liquid at room temperature. How much heat energy (in joules) must be released by mercury if 1.60 mt of then metal is cooled from room temperature (23.0°C) to 36.8°C and then frozen to a solid? (The density of mercury is 13.6 g/em. Its speciffic heat is 0.140 1/g*K and its heat of fusion is 114 /9.)

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.30QP: Enthalpy a A 100.-g sample of water is placed in an insulated container and allowed to come to room...
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Mercury, with a freezing point of -38.8°C, is the only metal that is liquid at room temperature. How much heat energy (in joules) must be released by mercury if 1.60 mt of the metal is cooled from room temperature (23.0°C) to -38.8°C and then frozen to a solid? (The density of mercury is 13.6 g/cm. Its specific heat is 0.140 3/g*K and its heat of fusion is 11.4 /g.) Chloromethane, CH,CI, is used as a topical anesthetic. The temperature at which CH,CI liquid turns into a vapor (the boiling point) is 24.09°C. What quantity of heat must be absorbed by the liquid to convert 170. g of liquid to a vapor at 24.09 C? The heat of vaporization of CH,Ci is 21.40 k/mol. kJ
Transcribed Image Text:Mercury, with a freezing point of -38.8°C, is the only metal that is liquid at room temperature. How much heat energy (in joules) must be released by mercury if 1.60 mt of the metal is cooled from room temperature (23.0°C) to -38.8°C and then frozen to a solid? (The density of mercury is 13.6 g/cm. Its specific heat is 0.140 3/g*K and its heat of fusion is 11.4 /g.) Chloromethane, CH,CI, is used as a topical anesthetic. The temperature at which CH,CI liquid turns into a vapor (the boiling point) is 24.09°C. What quantity of heat must be absorbed by the liquid to convert 170. g of liquid to a vapor at 24.09 C? The heat of vaporization of CH,Ci is 21.40 k/mol. kJ
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