Question

An oxygen gas tank has a volume of 8 L and a pressure of 1500 N/m2. If the temperature decreases from 2500 K to 2000 K and its volume increases to 24 L, what is its final pressure?
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400 N/m2



625 N/m2





3600 N/m2



5625 N/m2

@Austin_Cochran

Answer 1

im not so sure on this one. im sorry ill get someone.

Answer 2

@McSpazzy

Answer 3

or not.... umm..

Answer 4

Im guessing C im pretty sure it is:)

Answer 5

@Kryten will know

Answer 6

ok first start with pv=nrt
n=n
n=pV/RT
p1V1/RT1=p2V2/RT2
p1V1/T1=p2V2/T2
p1V1T2=p2V2T1
p2= p1V1T2/V2T1

Answer 7

do you get it?

Answer 8

i got 400 N/m2