Question
The molecules of which gas have the greatest velocity at 120°C?
A. O2
B. CO2
C. NH3
D. Cl2
A. O2
B. CO2
C. NH3
D. Cl2
Answers
DrBob222
If you have a fat (heavy--really big) dog and thin (skinny) dog, which one can move faster? It works the same way with molecules. The heavier ones move slower than the lighter ones.
Cortney
So would the answer be NH3 since its molar mass is 17 vs 32 (o2), 44 (CO2), and 70 (Cl2)
DrBob222
I would choose NH3.