Apply the First Law of Thermodynamics to answer the following:If a system does 475 J of work on the surroundings and absorbs 745 J of heat, what isthe change in internal energy for the process?The change in internal energy for the expansion of a gas sample is -4750 J. How muchwork is done if the gas sample loses 1125 J of heat to the surroundings? Is this work done by the gas or done by the surroundings?

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Answered: Apply the First Law of Thermodynamics…

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

Section5.4: The First Law Of Thermodynamics

Problem 5.5CYU: Nitrogen gas (2.75 L) is confined in a cylinder under constant atmospheric pressure (1.01 105...

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Apply the First Law of Thermodynamics to answer the following:
1. If a system does 475 J of work on the surroundings and absorbs 745 J of heat, what is
  
  the change in internal energy for the process?
2. The change in internal energy for the expansion of a gas sample is -4750 J. How much
  
  work is done if the gas sample loses 1125 J of heat to the surroundings? Is this work done by the gas or done by the surroundings?

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