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Equal moles of hydrogen and oxygen gases are placed in a container with a pin-hole through which both can escape. What fraction of the oxygen escape in the time required for one-half of the hydrogen to escape?

  1. A
  2. B
  3. C
  4. D

Solution & Step-by-step Explanation

According to Graham's Law of Effusion:

Let and be moles escaped.

If half of hydrogen escapes (), then:

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Equal moles of hydrogen and oxygen gases are placed in a container with a pin-hole through which both can escape. What fraction of the oxygen escape in the time required for one-half of the hydrogen to escape?
A
B
C
D

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States of MatterGraham's Law

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