If 300 mL of a gas at 27⁰ C is cooled to 7⁰C at constant pressure, its final volume

If 300 mL of a gas at 27⁰ C is cooled to 7⁰C at constant pressure, its final volume will be

(a) 350 mL
(b) 540 mL
(c) 135 mL
(d) 280 mL

280 mL

According to Charles’ law,
V₁/T₁ =V₂/T₂
putting the given values:
300 ml / 300K = V₂ /280 = V₂ = 280 ml

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