ChemistryKinetic theory of matter and gas lawsWAEC
Why does the pressure of gas in a sealed tin rise when the tin is heated?
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Answer: B. Its molecules move faster and hit the walls harder and more often
Heating raises the average kinetic energy of the molecules, so collisions with the walls are more frequent and more forceful.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.