A 12.0 L helium balloon is inflated in an air-conditioned store at 21.0C. Assuming that the pressure remains constant, how large is the balloon when it is taken outside on a hot day at 40.0C?

Respuesta :

The ballon will be 22.86L large when it is taken outside on a hot day at 40⁰C

According to pressure law, the volume of a given mass of gas is directly proportional to the temperature. This is expressed as:

V = kT

k = V1/T1 = V2/T2

Given the following parameters

V1 = 12.0L

T1 = 21⁰C

T2 = 40.0⁰C

Required

Final volume

Substitute the given parameters into the formula

12/21 = V₂/40

21V₂ = 12 * 40

21V₂ = 480

V₂ = 480/21

V₂ = 22.86L

Hence the ballon will be 22.86L large when it is taken outside on a hot day at 40⁰C.

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