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ChE 381 Cubic Equations of State Worksheet blank

# ChE 381 Cubic Equations of State Worksheet blank - ChE 381...

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ChE 381 Fall 2013 Cubic Equations of State Worksheet Species identity:_______________ T c = ________ P c = ___________ System T = ________ P = _________ T r = T/T c = _______ P r = P/P c = _______ Equation of state: ________________________ EOS-specific values for: : ____ : _____ :_________ :_______ (Table 3.1, pg 98) EOS-specific equation for (T r ): _____________ Value for :_____________ = P r /T r = _______________ q =  (T r )/( T r ) = ____________ To find vapor-like root: Z = 1 + q (Z- )/[(Z+  )(Z+  )] Substitute for EOS-, system-specific values:
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Unformatted text preview: Z = ____________________________________________ Z = 1 Z 1 = ______ Z 2 = ________ Z converge = ________ V vapor = ZRT/P = _________ V ideal = _________ To find liquid-like root: Z = + (Z+ )(Z+ )(1+ -Z)/(q ) Substitute for EOS-, system-specific values: Z = ____________________________________________ Z = =_________ Z 1 = ________ Z 2 = _______ Z converge = _______ V liquid = ZRT/P = _________ V ideal = ____________...
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• Fall '13
• Jarboe
• Equations, Quadratic equation, EoS, cubic equations, System-specific values, vapor-like root

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