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Which expression gives the pressure of an ideal gas from kinetic theory?
AP = (2/3) n m <v²>
BP = (1/3) n m <v²>
CP = (1/2) n m <v²>
DP = n m <v²>
Answer & Solution
Correct answer: B. P = (1/3) n m <v²>
Averaging the momentum transfer over three equivalent directions gives P = (1/3) n m <v²>.
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