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Question
In a certain gas the molecules are 5.0 x10-9 m apart on average, have a mean free path of 5.0 x 10-6 m, and have an average speed of 500 m/s. The rate at which a molecule has collision with other molecules is about:
A) 10-11 s-1
B) 10-8s-1
C) 1 s-1
D) 108 s-1
E) 1011 s-1
Answer
This answer is hidden. It contains 1 characters.
Related questions
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The intensity of the microwave background radiation, a remnant of the big bang:
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Q:
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A) Energy
B) Baryon number
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D) Angular momentum
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Q:
An electron participates in:
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Q:
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A) photon
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B) greater particle number densities
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Q:
For a controlled nuclear fusion reaction, one needs:
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B) high number density nand low temperatureT
C) low number density nand high temperature T
D) low number density nand low temperature T
E) high number density nand temperature T = 0 K
Q:
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Nuclear fusion in the Sun is increasing its supply of:
A) hydrogen
B) helium
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Q:
The purpose of a moderator in a nuclear reactor is to:
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Q:
A certain nucleus, after absorbing a neutron, emits a and then splits into two alpha particles. The (A, Z) of the original nucleus must have been:A) 6, 2B) 6, 3C) 7, 2D) 7, 3E) 8, 4
Q:
Radioactive polonium, 214Po (Z= 84), decays by alpha emission to:
A) 214Po (Z= 84)
B) 210Pb (Z= 82)
C) 214At (Z= 85)
D) 218Po (Z= 84)
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Q:
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Q:
Bombardment of 28Si (Z= 14) with alpha particles may produce:
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B) hydrogen and 32S (Z= 16)
C) a deuteron and 27Al (Z= 13)
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E) 35Cl (Z= 17)