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1. Finy (50) milliliters of water at 60 °C is added to 75 ml of water at 30 °C in a coffee cup calorimeter. he resulting mixture was observed to haye a temperature of 40 °C. What is the calorimeter constante 2. A student transfeTred 50 0 ml 100 UO

1. Finy (50) milliliters of water at 60 °C is added to 75 ml of water at 30 °C in a coffee cup calorimeter. he resulting mixture was observed to haye a temperature of 40 °C. What is the calorimeter constante 2. A student transfeTred 50 0 ml 100 UO

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 6.27QP: Hypothetical elements A2 and B2 react according to the following equation, forming the compound AB....
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Learning Task 2: . Finy (50) milliliters of water at 60 °C is added to 75 ml of water at 30 °C in a coffee cup calorimeter. The resulting mixture was observed to hgve a temperature of 40 °C, What is the calorimeter constant? 2. A student transferred 50.0 ml 1.00 M HCLinto a coffee-cup calorimeter, which had a femperature of 25.5 °C. He then added 50.0 ml 1.00 M NgÔH, which also had a temperature of 25.5 °C, and stirred ine mixture quickly. The resulting solution was found to have a temperature of 32.5 °C. The calorimeter constant for the coffee-cup calorimeter used was 15.0 J/ °C. Calculate the heat of reaction. S. Five (5.00) grams of an unknown compound was dissolved in 75.0 mL of water with an inifial femperature of 22.5 °C contained in a coffee-cup calorimeter. Upon the compound's dissolution, the final temperature of the resulting solution was 33.2 °C. The calorimeter used had a calorimeter constant of 200 J/ °C. What is the heat of solution of the compound? Assuming the compound is sodium hydroxide (NAOH), what is the heat of solution in kJ per mol?
Transcribed Image Text:Learning Task 2: . Finy (50) milliliters of water at 60 °C is added to 75 ml of water at 30 °C in a coffee cup calorimeter. The resulting mixture was observed to hgve a temperature of 40 °C, What is the calorimeter constant? 2. A student transferred 50.0 ml 1.00 M HCLinto a coffee-cup calorimeter, which had a femperature of 25.5 °C. He then added 50.0 ml 1.00 M NgÔH, which also had a temperature of 25.5 °C, and stirred ine mixture quickly. The resulting solution was found to have a temperature of 32.5 °C. The calorimeter constant for the coffee-cup calorimeter used was 15.0 J/ °C. Calculate the heat of reaction. S. Five (5.00) grams of an unknown compound was dissolved in 75.0 mL of water with an inifial femperature of 22.5 °C contained in a coffee-cup calorimeter. Upon the compound's dissolution, the final temperature of the resulting solution was 33.2 °C. The calorimeter used had a calorimeter constant of 200 J/ °C. What is the heat of solution of the compound? Assuming the compound is sodium hydroxide (NAOH), what is the heat of solution in kJ per mol?
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