Be sure to answer all parts. A sample of air occupies 4.3 L when the pressure is

Question

Be sure to answer all parts.

A sample of air occupies 4.3 L when the pressure is 2.3 atm.

(a) What volume does the sample occupy at 6.8 atm at the same temperature?

L

(b) What pressure is required in order to compress it to 0.033 L at the same temperature?

atm Be sure to answer all parts.

A sample of air occupies 4.3 L when the pressure is 2.3 atm.

(a) What volume does the sample occupy at 6.8 atm at the same temperature?

L

(b) What pressure is required in order to compress it to 0.033 L at the same temperature?

atm

Explanation / Answer

Initial volume of air,V1 = 4.3 L

Initial pressure of air, P1 = 2.3 atm

(a). Final pressure, P2 = 6.8 atm

Since, temperature and moles of air is constant.

P1V1 = P2V2

4.3 * 2.3 = 6.8 * V2

V2 = 1.45 L

So, sample will occupy 1.45 L volume at 6.8 atm.

(b). Final volume, V2 = 0.033 L

P1V1 = P2V2

2.3 * 4.3 = P2 * 0.033

P2 = 299.7 atm

299.7 atm pressure is required in order to compress it to 0.033 L.

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