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The volume, V of gas varies inversely with the Pressure, P on it. If the volume is 320 cm3 under pressure of 40 kg/cm2, what pressure has to be applied to have a volume of 200 cm3?
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Oct 18, 2018
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The volume, V of gas varies inversely with the Pressure, P on it. If the volume is 320 cm3 under pressure of 40 kg/cm2, what pressure has to be applied to have a volume of 200 cm3?
Mathematics
high-school
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Answer:
P2 = 64 kg/cm2
Explanation:
Delon
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Oct 20, 2018
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Delon
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Assuming that the gas behaves ideally.
Given the initial volume and pressure:
V1 = 320 cm3
P1 = 40 kg/cm2
and given the final volume:
V2 = 200 cm3
find the final pressure, P2:
PV = nRT; assume temperature and number of moles are constant
PV = constant
P1V1 = P2V2
Solve for P2:
(320 cm3) (40 kg/cm2) = (200 cm3) (P2)
P2 = 64 kg/cm2
Ilia Barahovsky
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Oct 24, 2018
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Ilia Barahovsky
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