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A 20.0 g sample of ammonium chloride is added to 125 mL of water at 20.0°C in a calorimeter. The resulting solution has a final temperature of 9.4°C. Calculate the molar enthalpy change for this change. Then, show the energy change with a potential energy diagram.

A 20.0 g sample of ammonium chloride is added to 125 mL of water at 20.0°C in a calorimeter. The resulting solution has a final temperature of 9.4°C. Calculate the molar enthalpy change for this change. Then, show the energy change with a potential energy diagram.

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
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Problem 5.63QE: A 0.470-g sample of magnesium reacts with 200 g dilute HCl in a coffee-cup calorimeter to form...
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9. A 20.0 g sample of ammonium chloride is added to 125 mL of water at 20.0°C in a calorimeter. The resulting solution has a final temperature of 9.4°C. Calculate the molar enthalpy change for this change. Then, show the energy change with a potential energy diagram.
Transcribed Image Text:9. A 20.0 g sample of ammonium chloride is added to 125 mL of water at 20.0°C in a calorimeter. The resulting solution has a final temperature of 9.4°C. Calculate the molar enthalpy change for this change. Then, show the energy change with a potential energy diagram.
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