Waec Model Questions Vol1 2018 Chemistry Question 6
Practice essay / theory question 6 from the 2018 Waec Model Questions Vol1 Chemistry examination. This question covers States of Matter .
A rigid sealed container of volume 2.00 L contains a mixture of nitrogen (N₂) and oxygen (O₂) gases at 298 K. The total pressure of the mixture is 1.20 atm and the partial pressure of nitrogen is 0.78 atm. (a) Determine the number of moles of N₂ and O₂ present in the container. (b) The container is then cooled to 273 K while the volume remains constant. Calculate the new total pressure of the gas mixture. (c) Using the kinetic molecular theory, explain why the pressure changes as observed in part (b).
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This is Waec Model Questions Vol1 2018 Chemistry Question 6. It is one of the essay questions from the 2018 Waec Model Questions Vol1 Chemistry examination.
The question covers States of Matter .
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