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Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food. When 10.0 g of NaCl are added in 200.0 mL of water at 25.0°C in a coffee-cup calorimeter, 669 J of heat are absorbed. (Assume that there is no change in volume, d=1.00 g/mL,, specific heat=4.18 J/g.°C) a) Is the solution process exothermic? b) What is q#20 ? c) What is the final temperature of the solution?

Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food. When 10.0 g of NaCl are added in 200.0 mL of water at 25.0°C in a coffee-cup calorimeter, 669 J of heat are absorbed. (Assume that there is no change in volume, d=1.00 g/mL,, specific heat=4.18 J/g.°C) a) Is the solution process exothermic? b) What is q#20 ? c) What is the final temperature of the solution?

Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter10: Energy
Section: Chapter Questions
Problem 38QAP: In the “Chemistry in Focus” segment Firewalking: Magic or Science?, it is claimed that one reason...
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Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food. When 10.0 g of NaCI are added in 200.0 mL of water at 25.0°C in a coffee-cup calorimeter, 669 J of heat are absorbed. (Assume that there is no change in volume, d=1.00 g/mL, specific heat=4.18 J/g.C) a) Is the solution process exothermic? b) What is 9H20 ? c) What is the final temperature of the solution?
Transcribed Image Text:Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food. When 10.0 g of NaCI are added in 200.0 mL of water at 25.0°C in a coffee-cup calorimeter, 669 J of heat are absorbed. (Assume that there is no change in volume, d=1.00 g/mL, specific heat=4.18 J/g.C) a) Is the solution process exothermic? b) What is 9H20 ? c) What is the final temperature of the solution?
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