Post-UTME Chemistry 2009 Objective — Question 13
Question 13 of 16 from the Post-UTME Screening (Post-UTME) Chemistry 2009 Objective paper, with the correct answer and a full explanation.
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Under high pressure, real gases deviate from compliance with gas laws because their molecules
- A. experience repulsive forcesCorrect
- B. have become more energetic
- C. have become less energetic
- D. collide inelastically
Explanation
At high pressure, gas molecules are forced close enough together that repulsive intermolecular forces become significant, causing deviation from ideal gas behaviour.
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