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Bond [772]
3 years ago
11

at a constant temperature a gas is compressed from 4L to 1L. At 1L, the pressure of the gas is 98.2 kPa. What is the original pr

essure of this gas?​
Chemistry
1 answer:
Elis [28]3 years ago
8 0

Answer: 24.6kpa

Explanation:

This is a classic case where Boyle's Law can be applied.

The equation for Boyle's Law is given as: P1V1 = P2V2

Where P1 = initial pressure

P2 = final pressure

V1 = initial volume

V2 = final volume

From the question, P1 = ?, P2 = 98.2kpa , V1 =4L , V2 =1L

P1V1 = P2V2

P1 x 4L = 98.2 kpa x 1L

Make P1 subject of formula we then have:

P1 = 98.2kpa X 1L / 4L

= 24.6kpa

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