Consider three 1.0-L flasks at STP. Flask A contains N2 gas, flask B contains Kr gas, and flask C contains He gas. In which flask do the gas particles have the lowest average kinetic energy?
A) flask B
B) The gas particles in all of the flasks have the same average kinetic energy.
C) The gas particles in two of the flasks have the same average kinetic energy.
D) flask C
E) flask A
Correct Answer:
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