Asked by Anonymous
The volume V of a gas varies inversely as the pressure P on it. If the volume is 250 cm3 under a pressure of 35 kg/cm3, solve for the pressure applied to have a volume of 180 cm3. Be sure to define your variables, find your constant variable, construct your variation equation, and then solve.
Answers
Answered by
Steve
V = k/P, so
PV = k
you want P such that
180P = 250*35
By the way, pressure is in Pascals = N/m^2, not kg/cm^3
kg/cm^3 is density
PV = k
you want P such that
180P = 250*35
By the way, pressure is in Pascals = N/m^2, not kg/cm^3
kg/cm^3 is density
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