contestada

At what temperature will a fixed amount of gas with a volumeof
175L at
and 760 mmHg occupy a volume of 198 L at apressure of 640 mmHg
?

Respuesta :

Answer:

260K

Explanation:

We use the general gas equation to solve this. The mathematical form can be represented as follows:

P1V1/T1 = P2V2/T2

We are to look for T2 from the question, rearranging the equation yields:

T2 = T1P2V2/P1V1

So what information do we have from the question:

T2= ?

P2 = 640mmHg

V2 = 198L

P1 = 760mmHg

T1 = 273K as they gas is at S.T.P since pressure is 760mmHg which is the standard pressure

V1 = 175L

We now substitute all these values:

T2 = (273 * 640 * 198)/(760 * 175)

T2 = 260K

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