Question

A gas sample has a volume at 2.0 L at 0.75 atm and 25 •C. What...

A gas sample has a volume at 2.0 L at 0.75 atm and 25 •C. What is the volume of the pressure is increased to 1.75 atm at constant temperature ?

Homework Answers

Answer #1

Considering the ideal behaviour of the gas sample (as anything is not mentioned here) , we know that for ideal gas

P1V1 = P2V2 (at constant temperature) ; where P1 & V1 is the initial pressure and volume of the gas

P2 & V2 is the final pressure and volume of the gas respectively .

In the given question , P1 =0.75 atm , V1 =2.0 L and P2 = 1.75 atm ,V2 =?

therefore , V2 = P1V1 / P2 = (0.75*2.0)/(1.75) L =0.86 L

So , volume of the gas is 0.86 L when pressured of the gas is increased to 1.75 atm at constant temperature .

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