Consider two gases, A and B, both at the same temperature. The molar mass of A is MA, the molar mass of B is MB. The graph shows the speed distributions for the A and B molecules. Which dual statement is correct? 0.25
Consider two gases, A and B, both at the same temperature. The molar mass of A is MA, the molar mass of B is MB. The graph shows the speed distributions for the A and B molecules. Which dual statement is correct? 0.25
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Transcribed Image Text:Consider two gases, A and B, both at the same temperature. The molar mass of A is
MA, the molar mass of B is MB. The graph shows the speed distributions for the A
and B molecules. Which dual statement is correct?
Probability
0.25
0.20
0.15
50.10-
0.05
0.00
0
A
B
200 400 600 800 1000
Molecular speed (m/s)
OMA MB. There are more molecules of type A than type B.
OMA < MB. A and B have the same average speed.
OMA > MB.A and B have the same average speed.
OMA < MB. A and B have the same average kinetic energy.
OMA > MB. A and B have the same average kinetic energy.
=
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