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Use the References to access important values if needed for this question. Thermometer When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can be determined using a coffee cup calorimeter Cardboard or Styrofoam lid In the laboratory a general chemistry student finds that when 7.38 g of NH4Br(s) are dissolved in 114.50 g of water, the temperature of the solution drops from 24.05 to 21.15 °C The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.73 J/eC. Nested Styrofoam cups Based on the student's observation, calculate the enthalpy of dissolution of NH4Br(s) in kJ/mol Reaction occurs in Assume the specific heat of the solution is equal to the specific heat of water solution kJ/mol AHdissolution etro CangL Submit Answer Retry Entire Group 9 more group attempts remaining

Use the References to access important values if needed for this question. Thermometer When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can be determined using a coffee cup calorimeter Cardboard or Styrofoam lid In the laboratory a general chemistry student finds that when 7.38 g of NH4Br(s) are dissolved in 114.50 g of water, the temperature of the solution drops from 24.05 to 21.15 °C The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.73 J/eC. Nested Styrofoam cups Based on the student's observation, calculate the enthalpy of dissolution of NH4Br(s) in kJ/mol Reaction occurs in Assume the specific heat of the solution is equal to the specific heat of water solution kJ/mol AHdissolution etro CangL Submit Answer Retry Entire Group 9 more group attempts remaining

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter8: Thermochemistry
Section: Chapter Questions
Problem 7QAP: Magnesium sulfate is often used in first-aid hot packs, giving off heat when dissolved in water. A...
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Use the References to access important values if needed for this question. Thermometer When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can be determined using a coffee cup calorimeter Cardboard or Styrofoam lid In the laboratory a general chemistry student finds that when 7.38 g of NH4Br(s) are dissolved in 114.50 g of water, the temperature of the solution drops from 24.05 to 21.15 °C The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.73 J/eC. Nested Styrofoam cups Based on the student's observation, calculate the enthalpy of dissolution of NH4Br(s) in kJ/mol Reaction occurs in Assume the specific heat of the solution is equal to the specific heat of water solution kJ/mol AHdissolution etro CangL Submit Answer Retry Entire Group 9 more group attempts remaining
Transcribed Image Text:Use the References to access important values if needed for this question. Thermometer When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can be determined using a coffee cup calorimeter Cardboard or Styrofoam lid In the laboratory a general chemistry student finds that when 7.38 g of NH4Br(s) are dissolved in 114.50 g of water, the temperature of the solution drops from 24.05 to 21.15 °C The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.73 J/eC. Nested Styrofoam cups Based on the student's observation, calculate the enthalpy of dissolution of NH4Br(s) in kJ/mol Reaction occurs in Assume the specific heat of the solution is equal to the specific heat of water solution kJ/mol AHdissolution etro CangL Submit Answer Retry Entire Group 9 more group attempts remaining
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