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A gas occupies 90 cm³ at pressure 15 atm. Find the volume at 5 atm.

A gas occupies 90 cm³ at pressure 15 atm. Find the volume at 5 atm.
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 270 cm³
  • B 135 cm³
  • C 90 cm³
  • D 180 cm³
Correct Answer: Option A
Explanation:
Using Boyle’s law:<br/>15 × 90 = 5 × Vā‚‚<br/>1350 = 5Vā‚‚<br/>Vā‚‚ = 270 cm³.<br/>Lower pressure allows the gas to occupy a larger space.

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