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I have 7.702 moles of steam (water vapor) at 148.5°C in a balloon. The steam is slowly cooled to 58.01°C, condensing to water along the way. The molar heat capacity of liquid water is 75.3 J/mol-K. The molar heat capacity of steam is 34.1 J/mol-K. The enthalpy of vaporization of water is 40.7 kJ/mol. How much heat transfers between the balloon and the surroundings as the balloon cools from 148.5 °C to 100 °C, in kJ? Do not include a positive or negative sign in your answer. kJ How much heat transfers between the balloon and the surroundings as the steam condenses to water, in kJ? Do not include a positive kJ or negative sign in your answer. How much heat transfers between the balloon and the surroundings as the balloon cools from 100 °C to 58.01 °C, in kJ? Do not include kJ a positive or negative sign in your answer. What is the total magnitude of heat transfer between the balloon and the surroundings during the described process? Do not use a positive or negative sign in the answer, just provide a number in units of kJ. kJ

I have 7.702 moles of steam (water vapor) at 148.5°C in a balloon. The steam is slowly cooled to 58.01°C, condensing to water along the way. The molar heat capacity of liquid water is 75.3 J/mol-K. The molar heat capacity of steam is 34.1 J/mol-K. The enthalpy of vaporization of water is 40.7 kJ/mol. How much heat transfers between the balloon and the surroundings as the balloon cools from 148.5 °C to 100 °C, in kJ? Do not include a positive or negative sign in your answer. kJ How much heat transfers between the balloon and the surroundings as the steam condenses to water, in kJ? Do not include a positive kJ or negative sign in your answer. How much heat transfers between the balloon and the surroundings as the balloon cools from 100 °C to 58.01 °C, in kJ? Do not include kJ a positive or negative sign in your answer. What is the total magnitude of heat transfer between the balloon and the surroundings during the described process? Do not use a positive or negative sign in the answer, just provide a number in units of kJ. kJ

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
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
Section: Chapter Questions
Problem 109SCQ
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I have 7.702 moles of steam (water vapor) at 148.5°C in a balloon. The steam is slowly cooled to 58.01°C, condensing to water along the way. The molar heat capacity of liquid water is 75.3 J/mol-K. The molar heat capacity of steam is 34.1 J/mol-K. The enthalpy of vaporization of water is 40.7 kJ/mol. How much heat transfers between the balloon and the surroundings as the balloon cools from 148.5 °C to 100 °C, in kJ? Do not include a positive or negative sign in your answer. kJ How much heat transfers between the balloon and the surroundings as the steam condenses to water, in kJ? Do not include a positive kJ or negative sign in your answer. How much heat transfers between the balloon and the surroundings as the balloon cools from 100 °C to 58.01 °C, in kJ? Do not include kJ a positive or negative sign in your answer. What is the total magnitude of heat transfer between the balloon and the surroundings during the described process? Do not use a positive or negative sign in the answer, just provide a number in units of kJ. kJ
Transcribed Image Text:I have 7.702 moles of steam (water vapor) at 148.5°C in a balloon. The steam is slowly cooled to 58.01°C, condensing to water along the way. The molar heat capacity of liquid water is 75.3 J/mol-K. The molar heat capacity of steam is 34.1 J/mol-K. The enthalpy of vaporization of water is 40.7 kJ/mol. How much heat transfers between the balloon and the surroundings as the balloon cools from 148.5 °C to 100 °C, in kJ? Do not include a positive or negative sign in your answer. kJ How much heat transfers between the balloon and the surroundings as the steam condenses to water, in kJ? Do not include a positive kJ or negative sign in your answer. How much heat transfers between the balloon and the surroundings as the balloon cools from 100 °C to 58.01 °C, in kJ? Do not include kJ a positive or negative sign in your answer. What is the total magnitude of heat transfer between the balloon and the surroundings during the described process? Do not use a positive or negative sign in the answer, just provide a number in units of kJ. kJ
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