An oxygen tank contains oxygen at a pressure of 70 kPa. When the pressure drops to 36 kPa, the temperature increases from 300 K to 350 K. If the initial volume is 9 L, what is the final volume?
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20.4 L

84.0 L

233 L

336 L

Question

An oxygen tank contains oxygen at a pressure of 70 kPa. When the pressure drops to 36 kPa, the temperature increases from 300 K to 350 K. If the initial volume is 9 L, what is the final volume?
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20.4 L 



84.0 L 





233 L 



336 L

anonymous · Answer

again you begin with:
 pv=nrt 
n=n 
n=pV/RT 
p1V1/RT1=p2V2/RT2 
p1V1/T1=p2V2/T2 
p1V1T2=p2V2T1
V2 = p1V1T2/p2T1

anonymous · Answer

@Austin_Cochran  HELP!

anonymous · Answer

you just need to put the numbers in equation i gave you and you get that volume is:
20.4 L

anonymous · Answer

oh! thank you , you're just too smart for me