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In a gas mixture, what is the partial pressure of a gas?

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Question: In a gas mixture, what is the partial pressure of a gas?

Options:

  1. Total pressure of the mixture
  2. Pressure exerted by the gas alone
  3. Pressure exerted by all gases
  4. Pressure at absolute zero

Correct Answer: Pressure exerted by the gas alone

Solution:

The partial pressure of a gas in a mixture is the pressure that gas would exert if it occupied the entire volume alone.

In a gas mixture, what is the partial pressure of a gas?

Practice Questions

Q1
In a gas mixture, what is the partial pressure of a gas?
  1. Total pressure of the mixture
  2. Pressure exerted by the gas alone
  3. Pressure exerted by all gases
  4. Pressure at absolute zero

Questions & Step-by-Step Solutions

In a gas mixture, what is the partial pressure of a gas?
  • Step 1: Understand that a gas mixture contains more than one type of gas.
  • Step 2: Know that each gas in the mixture exerts its own pressure.
  • Step 3: The partial pressure of a gas is the pressure it would have if it were the only gas in the container.
  • Step 4: Imagine removing all other gases from the mixture, leaving just the gas you are interested in.
  • Step 5: The pressure that this single gas would exert in that space is its partial pressure.
  • Partial Pressure – The pressure that a specific gas in a mixture would exert if it occupied the entire volume alone.
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