A sample of gas has a volume of V₁ L at temperature t₁°C. When the temperature of the gas is changed — States of Matter and Gaseous State Chemistry Question
Question
A sample of gas has a volume of V₁ L at temperature t₁°C. When the temperature of the gas is changed to t₂°C at constant pressure, the volume of the gas was found to increase by 10%. The percentage increase in temperature (in °C) is

Answer: B
💡 Solution & Explanation
V₂ = 1.1V₁. Charles: T₂ = 1.1T₁ = 1.1(t₁+273). t₂ = 1.1t₁ + 27.3. Increase = 0.1t₁ + 27.3. % increase = (0.1t₁ + 27.3)/t₁ × 100 = 10 + 2730/t₁.
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