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Author Question: For an ideal gas, A) CP = CV for all ideal gases. B) CP > CV for all ideal gases. C) CP < ... (Read 91 times)

Starlight

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on: Jul 29, 2018
For an ideal gas,
 
  A) CP = CV for all ideal gases.
  B) CP > CV for all ideal gases.
  C) CP < CV for all ideal gases.
  D) it depends on whether the gas is monatomic or diatomic.

Question 2

An electric current through a tungsten filament maintains its temperature at 2800 K.
 
  Assume the tungsten filament behaves as an ideal radiator at that temperature. Near what wavelength does the filament emit the greatest power? ( = 5.67  10-8 W/m2  K4, Wien displacement law constant is 2.9  10-3 m  K)
  A) 1200 nm B) 1600 nm C) 1800 nm
   D) 1000 nm E) 1400 nm


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mbcrismon

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Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

D


Starlight

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Reply #2 on: Jul 29, 2018
TY


mbcrismon

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Reply #3 on: Jul 29, 2018
You're welcome


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