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8. Sodium chloride is added in cooking to enhance the flavor of food. When 10.00 g of NaCl are dissolved in 200.0 mL of water at 25.0°C in a coffee- cup calorimeter, 669 J of heat are absorbed. (You can make the following as- sumptions about the solution: volume = 200.0 mL, density = 1.00 g/mL, spe- cific heat = 4.18 J/g . °C) (a) Is the solution process exothermic? (b) What is qu,0? (c) What is the final temperature of the solution?

8. Sodium chloride is added in cooking to enhance the flavor of food. When 10.00 g of NaCl are dissolved in 200.0 mL of water at 25.0°C in a coffee- cup calorimeter, 669 J of heat are absorbed. (You can make the following as- sumptions about the solution: volume = 200.0 mL, density = 1.00 g/mL, spe- cific heat = 4.18 J/g . °C) (a) Is the solution process exothermic? (b) What is qu,0? (c) What is the final temperature of the solution?

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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8. Sodium chloride is added in cooking to enhance the flavor of food. When 10.00 g of NaCl are dissolved in 200.0 mL of water at 25.0°C in a coffee- cup calorimeter, 669 J of heat are absorbed. (You can make the following as- sumptions about the solution: volume = 200.0 mL, density = 1.00 g/mL, spe- cific heat = 4.18 J/g °C) (a) Is the solution process exothermic? (b) What is qH,0? (c) What is the final temperature of the solution?
Transcribed Image Text:8. Sodium chloride is added in cooking to enhance the flavor of food. When 10.00 g of NaCl are dissolved in 200.0 mL of water at 25.0°C in a coffee- cup calorimeter, 669 J of heat are absorbed. (You can make the following as- sumptions about the solution: volume = 200.0 mL, density = 1.00 g/mL, spe- cific heat = 4.18 J/g °C) (a) Is the solution process exothermic? (b) What is qH,0? (c) What is the final temperature of the solution?
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