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Question

A compressor pumps 70 L of air into a 6 L tank with the temperature remaining unchanged. If all the air is originally at 1 atm. What is the final absolute pressure of the air in the tank?

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Solution

we use Boyle's law, since the temperature is the constant.
p0V0=pV

Here,
p0=1atm
V=6L

V0=70+6=76L1(76)=p(6)p=12.7atm

Hence, 12.7atm Absolute pressure.

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