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Assume a gas is at a constant temperature. If its initial pressure, final pressure, and initial volume are 150 kPa, 200 kPa, and 25 cm3, respectively, what is its final volume?

A.
20 cm3

B.
25 cm3

C.
33.33 cm3

D.
18.75 cm3

E.
22.5 cm3

Respuesta :

calculista

Answer:

Option D.  18.75 cm3

Step-by-step explanation:

we know that

The Boyle's law (Ideal gas law) states that Where temperature remains constant, the pressure is inversely proportional to volume.

so

[tex]P1 *V1 = P2 *V2[/tex]  

In this problem we have

P1=150 kPa

P2=200 kPa

V1=25 cm³

substitute and solve for V2

[tex](150)(25)= 200*V2[/tex]

[tex]V2=(150)(25)/200=18.75\ cm^{3}[/tex]    

lif3wtayy

Answer:

Option D.  18.75 cm3

Step-by-step explanation:

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