A constant pressure "coffee-cup" calorimeter is used to measure the heat of reaction between 0.10 L of 1.0 M NaOH and 0.10 L of 1.0 M HCI. Both solutions initially are at 24.0°C; after the solutions are mixed, the final temperature is 30.4°C. If the heat capacity of the resulting solution is assumed to be totally due to water (Cp = 75.291 J/mol•K), how much heat was evolved from the reaction per mole of limiting reactant? Assume the density of all solutions is 1.0 g/mL. (C = 75.291 J/mol•K for H20; q = CcalAT) 270 kJ/mol 5.4 kJ/mol 22 kJ/mol 123 kJ/mol 54 kJ/mol
A constant pressure "coffee-cup" calorimeter is used to measure the heat of reaction between 0.10 L of 1.0 M NaOH and 0.10 L of 1.0 M HCI. Both solutions initially are at 24.0°C; after the solutions are mixed, the final temperature is 30.4°C. If the heat capacity of the resulting solution is assumed to be totally due to water (Cp = 75.291 J/mol•K), how much heat was evolved from the reaction per mole of limiting reactant? Assume the density of all solutions is 1.0 g/mL. (C = 75.291 J/mol•K for H20; q = CcalAT) 270 kJ/mol 5.4 kJ/mol 22 kJ/mol 123 kJ/mol 54 kJ/mol
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter7: Chemical Energy
Section: Chapter Questions
Problem 59E: In a coffee-cup calorimeter, 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M HCl are mixed to yield...
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Transcribed Image Text:A constant pressure "coffee-cup" calorimeter is used to measure the heat of reaction between 0.10 L of 1.0 M NaOH and 0.10 L of
1.0 M HCI. Both solutions initially are at 24.0°C; after the solutions are mixed, the final temperature is 30.4°C. If the heat capacity
of the resulting solution is assumed to be totally due to water (Cp = 75.291 J/mol•K), how much heat was evolved from the
reaction per mole of limiting reactant? Assume the density of all solutions is 1.0 g/mL.
(C = 75.291 J/mol•K for H2O; q = CcalAT)
270 kJ/mol
5.4 kJ/mol
22 kJ/mol
123 kJ/mol
54 kJ/mol
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