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In a coffee cup calorimeter, 50.0 mL of 0.130 M AGNO, and 50.0 mL of 0.130 M HBr are mixed. The following reaction occurs. Ag*(aq) + Br¯(aq) → AgBr(s) If the two solutions are initially at 23.51°C, and if the final temperature is 24.82°C, calculate AH for the reaction in kJ/mol of AgBr formed. Assume a mass of 100.0 g for the combined solution and a specific heat capacity of 4.18 °c=! g=!. 84.2 X kJ/mol

In a coffee cup calorimeter, 50.0 mL of 0.130 M AGNO, and 50.0 mL of 0.130 M HBr are mixed. The following reaction occurs. Ag*(aq) + Br¯(aq) → AgBr(s) If the two solutions are initially at 23.51°C, and if the final temperature is 24.82°C, calculate AH for the reaction in kJ/mol of AgBr formed. Assume a mass of 100.0 g for the combined solution and a specific heat capacity of 4.18 °c=! g=!. 84.2 X kJ/mol

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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In a coffee cup calorimeter, 50.0 mL of 0.130 M AGNO, and 50.0 mL of 0.130M HBr are mixed. The following reaction occurs. Ag*(aq) + Br¯(aq) → AgBr(s) If the two solutions are initially at 23.51°C, and if the final temperature is 24.82°C, calculate AH for the reaction in kJ/mol of AgBr formed. Assume a mass of 100.0 g for the combined solution and a specific heat capacity of 4.18 J°C¯1g=1. 84.2 X kJ/mol
Transcribed Image Text:In a coffee cup calorimeter, 50.0 mL of 0.130 M AGNO, and 50.0 mL of 0.130M HBr are mixed. The following reaction occurs. Ag*(aq) + Br¯(aq) → AgBr(s) If the two solutions are initially at 23.51°C, and if the final temperature is 24.82°C, calculate AH for the reaction in kJ/mol of AgBr formed. Assume a mass of 100.0 g for the combined solution and a specific heat capacity of 4.18 J°C¯1g=1. 84.2 X kJ/mol
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The heat released by the reaction is equal to the heat absorbed by the calorimeter. We know the heat capacity of the calorimeter and the rise in temperature of the calorimeter. From this information, we can calculate the heat absorbed by the calorimeter and this heat is equal to the heat of the reaction.

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