t9eo4megJasunic t9eo4megJasunic

30-05-2016
Chemistry

Answered

A sample of gas occupies a volume of 50.0 milliliters in a cylinder with a movable piston. The pressure of the sample is 0.90 atmosphere and the temperature is 298 K. What is the volume of the sample at STP?

(1) 41 mL (3) 51 mL

(2) 49 mL (4) 55 mL

Verified Answer :

Willchemistry Willchemistry

02-06-2016

P₁ = 0.90 atm

V₁ = 50.0 mL

T₁ = 298 K

P₂ = 1 atm

T₂ = 273 K

V₂ = P₁ x V₁ x T₂ / T₁ x P₂

V₂ = 0.90 x 50.0 x 273 / 298 x 1

V₂ = 12285 / 298

V₂ = 41 mL

Answer (1)

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