Precisely 1 mol of helium and 1 mol of neon are placed in a container. Indicate the correct statements about the system |
|
a) |
Molecules of the two gases strike the wall of the container with same frequency |
b) |
Molecules of helium strike the wall more frequently |
c) |
Molecules of helium have greater average molecular speed |
d) |
Helium exerts larger pressure |
Precisely 1 mol of helium and 1 mol of neon are placed in a container. Indicate the correct statements about the system |
|
a) |
Molecules of the two gases strike the wall of the container with same frequency |
b) |
Molecules of helium strike the wall more frequently |
c) |
Molecules of helium have greater average molecular speed |
d) |
Helium exerts larger pressure |
(b,c)
Hint: Helium gas has lower molecular mass and hence it moves faster than neon and strikes the wall more frequently
Hence, He has higher speed than neon
The average momentum of a molecule in a sample of an ideal gas does not depends on: |
|||||||
a) |
Pressure |
b) |
Number of mole |
c) |
Volume |
d) |
Temperature |
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