A closed vessel contains equal number of nitrogen and oxygen molecules at a pressure of mm. If nitro — States of Matter and Gaseous State Chemistry Question
Question
A closed vessel contains equal number of nitrogen and oxygen molecules at a pressure of $P$ mm. If nitrogen is removed from the system, then the pressure will be
Answer: C
💡 Solution & Explanation
Equal molecules mean each contributes P/2. Removing one leaves P/2. Therefore, correct answer is C.
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