Question

A gas occupies 3 litres at 0 degree celsius. What volume will it occupy at -20 degree celsius, pressure remaining constant?

Answer 1

Answer:

2.78 l

Explanation:

Given,

P1 = P2

V1 = 3l

V2 = ?

T1 = 0°C = 273K

T2 = -20°C = 253K

THEREFORE, APPLYING CHARLES' LAW:

V1/T1 = V2/T2

= 3/273 = V2/253

= V2 = 759/273

=> V2 = 2.78l

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