25.00 mL of 0.4600 M phosphoric acid are reacted with 94.00 mL of 0.7970 M sodium hydroxide. The sodium hydroxide is in excess. Initially, both solutions are at room temperature, 24.692°C. After the reaction is complete, the temperature of the solution has increased to 30.347°C. What is the enthalpy of the reaction in kJ/mol acid? Assume the density of the solution is 1.00g/mL and the specific heat of the solution is the same as water (4.184 J/g-K).
25.00 mL of 0.4600 M phosphoric acid are reacted with 94.00 mL of 0.7970 M sodium hydroxide. The sodium hydroxide is in excess. Initially, both solutions are at room temperature, 24.692°C. After the reaction is complete, the temperature of the solution has increased to 30.347°C. What is the enthalpy of the reaction in kJ/mol acid? Assume the density of the solution is 1.00g/mL and the specific heat of the solution is the same as water (4.184 J/g-K).
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section5.6: Calorimetry
Problem 5.7CYU: Assume 200. mL of 0.400 M HCl is mixed with 200. mL of 0.400 M NaOH in a coffee-cup calorimeter The...
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Transcribed Image Text:25.00 mL of 0.4600 M phosphoric acid are reacted with 94.00 mL of 0.7970 M sodium hydroxide. The
sodium hydroxide is in excess.
Initially, both solutions are at room temperature, 24.692°C. After the reaction is complete, the
temperature of the solution has increased to 30.347°C. What is the enthalpy of the reaction in kJ/mol
acid?
Assume the density of the solution is 1.00g/mL and the specific heat of the solution is the same as
water (4.184 J/g-K).
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