Question: Suppose you have two 1-L flasks, one containing N2 at STP, the other containing CH4 at STP. How do these systems compare with respect to

Suppose you have two 1-L flasks, one containing N2 at STP, the other containing CH4 at STP. How do these systems compare with respect to
(a) Number of molecules,
(b) Density,
(c) Average kinetic energy of the molecules,
(d) Rate of effusion through a pinhole leak?

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