One mole of (g) at 300 K is kept in a closed container under 1 atmospheric pressure. It is heated to — States of Matter and Gaseous State Chemistry Question
Question
One mole of $\text{N}_2\text{O}_4$(g) at 300 K is kept in a closed container under 1 atmospheric pressure. It is heated to 600 K when 20% by mass of $\text{N}_2\text{O}_4$(g) decomposes to $\text{NO}_2$(g). The resultant pressure is
Answer: B
💡 Solution & Explanation
Moles = 1 + 0.2 = 1.2. P2 = 1 * (1.2/1) * (600/300) = 2.4 atm. Therefore, correct answer is B.
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