Subject: Physical Chemistry · Chapter: Chemical Kinetics · Topic: Chemical Kinetics – General · Exam: JAM 2001-2022 · Marks: 2 · Difficulty: Hard
A mixture of $\mathrm{C}_{3} \mathrm{H}_{8}$ and oxygen in 1 L closed vessel has an internal pressure of 4 atm at $100^{\circ} \mathrm{C}$. When the mixture is ignited, the reaction produces $\mathrm{CO}_{2}(\mathrm{g})$ and $\mathrm{H}_{2} \mathrm{O}(\mathrm{g})$ until all oxygen is consumed. After the reaction, pressure of the vessel is 4.2 atm at the same temperature. Calculate the weight of oxygen present before the reaction. [Gas constant, $\mathrm{R}=0.082 \mathrm{L} \mathrm{atm} \mathrm{mol}^{-1} \mathrm{K}^{-1}$ ].
Answer
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