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A 10.0 g solution of 0.05000 M aqueous NaOH was neutralized in a foam cup calorimeter with 10.0 g of aqueous 0.05000 M HCI. The initial temperature of the NaOH solution was 23.257 ° C. The final temperature of the neutralized solution was 25. 178 °C. The molar heat capacity of the foam cup and solutions, C, is 105.8 J/(mol· °C). A. Calculate the enthalpy of neutralization for this reaction. B. Is this reaction endothermic or exothermic?

A 10.0 g solution of 0.05000 M aqueous NaOH was neutralized in a foam cup calorimeter with 10.0 g of aqueous 0.05000 M HCI. The initial temperature of the NaOH solution was 23.257 ° C. The final temperature of the neutralized solution was 25. 178 °C. The molar heat capacity of the foam cup and solutions, C, is 105.8 J/(mol· °C). A. Calculate the enthalpy of neutralization for this reaction. B. Is this reaction endothermic or exothermic?

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.62QE: A 50-mL solution of a dilute AgNO3 solution is added to 100 mL of a base solution in a coffee-cup...
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A 10.0 g solution of 0.05000 M aqueous NaOH was neutralized in a foam cup calorimeter with 10.0 g of aqueous 0.05000 M HCI. The initial temperature of the NaOH solution was 23.257 ° C. The final temperature of the neutralized solution was 25. 178 °C. The molar heat capacity of the foam cup and solutions, C, is 105.8 J/(mol · °C). A. Calculate the enthalpy of neutralization for this reaction. B. Is this reaction endothermic or exothermic?
Transcribed Image Text:A 10.0 g solution of 0.05000 M aqueous NaOH was neutralized in a foam cup calorimeter with 10.0 g of aqueous 0.05000 M HCI. The initial temperature of the NaOH solution was 23.257 ° C. The final temperature of the neutralized solution was 25. 178 °C. The molar heat capacity of the foam cup and solutions, C, is 105.8 J/(mol · °C). A. Calculate the enthalpy of neutralization for this reaction. B. Is this reaction endothermic or exothermic?
Expert Solution
Step 1

Given:

Mass of NaOH = 10.0 g

Concentration of NaOH=0.0500 M

Mass of HCl = 10.0 g

Concentration of HCl=0.0500 M

Initial temperature of NaOH= 23.257oC

Final temperature of NaOH= 25.178oC

Molar heat capacity of foam cup ans solutions =105.8 J/goC

 

 

 

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