Quiz14_13solutions

00 mpa treat air as an ideal gas with 140 solution

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Unformatted text preview: be found from the ideal gas law. 3RT vrms ( N 2 ) = ⇒ M 2 Mvrms RT = 3 PV = nRT ⇒ 2 −3 2 nRT nMvrms (1300mol ) ( 28 ⋅10 kg / mol ) (386m / s ) P= = = = 2.1⋅105 Pa = 2.1atm 3 V 3V 3 ⋅ (8.5m ) P = 2.1atm 2) The air in a cylinder is compressed adiabatically to 1/5 of its initial volume. Determine the initial pressure if the final pressure of air is 4.00 MPa. Treat air as an ideal gas with γ = 1.40. Solution: !! ! = !"#$%&#%...
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