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7. Calcium chloride, is added to a canned vegetables to maintain the vegetable's firmness. When added to water, it dissolves: A coffee-cup calorimeter contains 50.0 g of water at 25.0 °C. When 1.00 g of calcium chloride is added to the calorimeter, the temperature rises at 28.51 ° C. Assume that all the heat given off by the reaction is transferred to the water. Cacl 2 (0) → Ca 2+ (a) + 2 C- (a) A) calculate q for the reaction system B) How much calcium chloride must be added to raise the temperature of the solution 9.00 ° C? Atomic mass in g/mole: C=12; H=1; 0 = 16; AH in kJ/mole: COzta) = -393.5; H:O0 = -285.8; CO: - = - 677.1; Ha) = 0 %3D

7. Calcium chloride, is added to a canned vegetables to maintain the vegetable's firmness. When added to water, it dissolves: A coffee-cup calorimeter contains 50.0 g of water at 25.0 °C. When 1.00 g of calcium chloride is added to the calorimeter, the temperature rises at 28.51 ° C. Assume that all the heat given off by the reaction is transferred to the water. Cacl 2 (0) → Ca 2+ (a) + 2 C- (a) A) calculate q for the reaction system B) How much calcium chloride must be added to raise the temperature of the solution 9.00 ° C? Atomic mass in g/mole: C=12; H=1; 0 = 16; AH in kJ/mole: COzta) = -393.5; H:O0 = -285.8; CO: - = - 677.1; Ha) = 0 %3D

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.62QE: A 50-mL solution of a dilute AgNO3 solution is added to 100 mL of a base solution in a coffee-cup...
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7. Calcium chloride, is added to a canned vegetables to maintain the vegetable's firmness. When added to water, it dissolves: A coffee-cup calorimeter contains 50.0 g of water at 25.0 ° C. When 1.00 g of calcium chloride is added to the calorimeter, the temperature rises at 28.51 ° C. Assume that all the heat given off by the reaction is transferred to the water. A) calculate q for the reaction system B) How much calcium chloride must be added to raise the temperature of the solution 9.00 ° C? CaCl 2 () + Ca 2+ (ae) + 2 CI- (an) Atomic mass in g/mole: C=12; H=1; 0 = 16; AH r in kJ/mole: COzta) = -393.5; H:O0 = -285.8; CO: -) = - 677.1; H"(a) = 0
Transcribed Image Text:7. Calcium chloride, is added to a canned vegetables to maintain the vegetable's firmness. When added to water, it dissolves: A coffee-cup calorimeter contains 50.0 g of water at 25.0 ° C. When 1.00 g of calcium chloride is added to the calorimeter, the temperature rises at 28.51 ° C. Assume that all the heat given off by the reaction is transferred to the water. A) calculate q for the reaction system B) How much calcium chloride must be added to raise the temperature of the solution 9.00 ° C? CaCl 2 () + Ca 2+ (ae) + 2 CI- (an) Atomic mass in g/mole: C=12; H=1; 0 = 16; AH r in kJ/mole: COzta) = -393.5; H:O0 = -285.8; CO: -) = - 677.1; H"(a) = 0
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