gas occupies 200 ml at a pressure of 27 degree celsius and 76 mmhg pressure find volume at -3 degree celsius with pressure remaining constant.
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Initial volume = 200ml
Initial temperature = 27°C
Final temperature = -3°C
Final volume of the gas.
Charles' law States that (V ∝ T)
Let,
V₁ = Initial volume
V₂ = Final volume
T₁ = Initial temperature
T₂ = Final temperature
Convert unit of temperature from °C to K.
0°C = 273K
T₁ = 27°C = 27 + 273 = 300K
T₂ = -3°C = -3 + 273 = 270K
Substituting the given values,
V₁ / T₁ = V₂ / T₂
200 / 300 = V₂ / 270
V₂ = 270 × 2/3
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