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