A gas occupies 21 cm³ at pressure 7 atm. Find the volume at 3.5 atm.
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Correct Answer: Option D
Explanation:
Using Boyle’s law:<br/>7 × 21 = 3.5 × Vā<br/>147 = 3.5Vā<br/>Vā = 42 cm³.<br/>Reducing the pressure by half causes the volume to double.
Using Boyle’s law:<br/>7 × 21 = 3.5 × Vā<br/>147 = 3.5Vā<br/>Vā = 42 cm³.<br/>Reducing the pressure by half causes the volume to double.