What is the weight (in lbf) of one gallon of air at 1 atm and 25?C? The molecular mass of air is 28.97 g/mole = 0.02897 kg/mole
A. 0.00989 lbf

B. 65.78lbf

C. 3.00989 lbf

D. 90lbf

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.