Two vessels of equal volume contain O_2 and CO_2 gases separately at the same temperature and pressure. Then, which gas contains (a) more number of molecules ? (b) more number of atoms? (c) more kinetic energy ? (d) high RMS velocity ?

Two vessels of equal volume contain O_2 and CO_2 gases separately at t

1.	Two vessels of equal volume contain O_2 and CO_2 gases separately at the same temperature and pressure. Then, which gas contains (a) more number of molecules ? (b) more number of atoms? (c) more kinetic energy ? (d) high RMS velocity ?
Answer» SOLUTION : both have EQUAL K.E.