Question:
The air inside a tyre pump occupies a volume of 130CC at a pressure of 1 atm .If the volume decreases to 44CC ,what is the pressure of ATM inside the pump?
Answer:
P1 x V1 = P2 x V2
Where,
P1 = 1 atm
V1 = 130 cc =130 cm3
P2 = ?
V2 = 44 cc = 44 cm3
Or, 1atm x 130 cm3 = P2 x 44 cm3
Or, P2 = 1atm x 130 cm3 / 44 cm3 = 2.95 atm
Hence, the pressure inside the pump is 2.95 atm.
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