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An ideal gas undergoes an isothermal expansion from one state to another.  In this process determine the...

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Physics

  1. An ideal gas undergoes an isothermal expansion from one stateto another.  In this process determine the following(using the sign conventions on page 413):
    • Q = 0, Q > 0 or Q < 0
    • W = 0, W > 0 or W < 0
    • ΔU = 0, ΔU > 0 or ΔU < 0
  1. An ideal gas undergoes an isothermal process.  Whichof the following are true (may be more than one):  a) Noheat is added or removed from the gas, b) the internal energy ofthe gas does not change and/or c) the average kinetic energy of themolecules does not change.
  1. An ideal gas undergoes an adiabatic expansion in which no heatflows into or out of the gas.  As a result determinewhich of the following properties of the gas increases (may be morethan one): a) temperature, b) pressure and/or c)volume.  
  1. Can you cool your kitchen by leaving your refrigerator dooropen?  Why or why not?
  1. If 1500 J of heat is added to a system and the system does 1100J of work, then what was the change in the internal energy of thesystem?   Assume the system is closed (i.e. a gasinside of a cylinder fitted with a movable piston).
  2. ​​​​​​​

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