riddlephyllis riddlephyllis

06-12-2020
Chemistry

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A balloon occupies 1.75 L at 301 K and 1.15 atm. What is the pressure when the volume is changed to 2.13 L and the temperature to 287K?

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Mohed34 Mohed34

06-12-2020

using the ideal gas law PV=nRT
and considering
v=1.75 | p=1.15 atm | T=301 k
we find the number of moles
n=PV/RT
n= 0.08148 mole

then using n from above
and v=2.13 L | T=287 k
we can find the pressure
p=nRT/V
p=0.90 atm

i hope this help you

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