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20 November, 14:02

A sample of gas occupies 17 ml at â112°c. what volume does the sample occupy at 70°c?

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  1. 20 November, 14:25
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    Answer is: volume of the sample is 36,2 mL.

    V₁ (sample) = 17 mL.

    T₁ (sample) = - 112°C = - 112 + 273,15 = 161,15 K.

    T₂ (sample) = 70°C = 70 + 273,15 = 343,15 K.

    V₂ (sample) = ?

    Charles' Law: V₁/T₁ = V₂/T₂.

    17 mL/161,15 K = V₂/343,15 K.

    161,15 K · V₂ = 17 mL · 343,15 K

    V₂ = 5833,55 K·mL : 161,15 K

    V₂ = 36,2 mL.
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