Asked by Physics student need help

A tank holds 2.85 L of oxygen at 22.1 Celsius and 235 atm. (A) how many moles of gas does the tank contain? (B) what is the average kinetic energy per molecule ?
Answered by drwls
(A) (2.85/22.4)* 235*(273.2/295.3) moles
(B) (3/2)kT
k is the Boltzmann constant.
If you include kinetic energy of O2 molecule rotation, the answer is (5/2) kT
Answered by physics student need help
but the answer in the text book is (a) 27.7 moles (b) 2.381x10^7pa
i just want the formula so i can attempt the problem myself
Answered by drwls
My answer to (A) agrees with the text book.
The answer to (B) cannot be in Pascals. You mistyped something or the book is wrong. I gave you the formula.
Answered by Monica
If u type this question in to the google it will give u the answer which agrees with your text book



Answered by cynthia
What is k in the formula (3/2)kT
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