A gas occupies 10 dm³ at 250 K. Find its volume at 500 K if pressure remains constant.
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Correct Answer: Option C
Explanation:
Charles’ law formula is V₁/T₁ = V₂/T₂.<br/>Substituting the values:<br/>10/250 = V₂/500<br/>Cross multiplying gives:<br/>250V₂ = 5000<br/>V₂ = 20 dm³.<br/>The temperature doubled from 250 K to 500 K, so the volume also doubled.
Charles’ law formula is V₁/T₁ = V₂/T₂.<br/>Substituting the values:<br/>10/250 = V₂/500<br/>Cross multiplying gives:<br/>250V₂ = 5000<br/>V₂ = 20 dm³.<br/>The temperature doubled from 250 K to 500 K, so the volume also doubled.