A sample of helium gas at room temperature is compressed from 100 cm3 to 20 cm3. Its new pressure is now 30 cm Hg. What was the original pressure of the gas?

Question

asked Mar 28, 2021 201k views

1 Answer

Curob · Answer 1 · 2021-04-04T05:22:07+0000

Answer:

6 cm Hg

Step-by-step explanation:

Boyles Law: P1V1=P2V2

(100 mL)(x)=(20 mL)(30 cm Hg)

x = 6 cm Hg

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