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QUESTION

Neon gas has a volume of 2,000ml with an atm of 1.8, however if the pressure decreases to 1.3atm, what is now the volume of the neon gas?

Ok first lets recognize the gas law.

Since we were given volume and we must assume all other factors are constant with that in mind this is Boyle's Law.

Which states that at a constant temperature the volume is inversely related to the pressure, which means if the volume goes up pressure goes down and if the pressure went down you could assume the volume went up.

P1V1=P2V2

P1= 1.8 atm P2= 1.3 atm V1= 2000 mL V2=?

Since the formula for Bohl's law is P1V1=P2V2, and we are looking for V2 we have to cancel out until V2 is left by itself.

##P1*V1=P2*V2_/P2## The P2 will cancel itself out leaving you with

##P1V1_/P2=V2## Now plug in your information ##1.8 atm*2000ml_/1.3 atm= 2769 ml##

Since this is Boyle's law if the pressure went down that means the volume had to go up this relationship is expressed in the answer.

Hope this answers your question.

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