The densities of air at 0 ∘ C and 10 0 ∘ C are 1.30 g dm − 3 and 0.95 g dm − 3 , respectively. From these data and assuming that air obeys Charle's law, determine a value for the absolute zero of

Question

The densities of air at 0 ∘ C and 10 0 ∘ C are 1.30 g dm − 3 and 0.95 g dm − 3 , respectively. From these data and assuming that air obeys Charle's law, determine a value for the absolute zero of temperature in degree Celsius.

TestHub · Accepted Answer

Let 0 K = − x ∘ C Now, from Charle's law : d 1 ​ T 1 ​ = d 2 ​ T 2 ​ or, 1.30 ( 0 + x ) = 0.95 ( 100 + x ) ∴ x = 0 , 35 95 ​ = 271.428

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