CHEMENG 2D04- Final Exam Guide - Comprehensive Notes for the exam ( 46 pages long!)
4 Dec 2017
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1 lbf gc= 1 kg*m/s2 = 32. 174 lbm*ft/s2 g = 9. 8066 m/s2. Patm = po , barometer, pressure at the surface of something like lake. = sgsubstance at 20 c with ref to water at 4 c= 0. 6. Pgauge = pabs (patm=0) , measures pabs directly. Open end manometer: patm = p at the end furthest from apparatus, measures pgauge directly. Pg=25mm hg , pabs = 800 mmhg, patm = 775. Gmol amount of species whose mass (g) is mm. 1 lbm-mol of h2o = 18. 0 lbm ex. 27. 0 co2, mm=44. 01 g/mol nc02 = 27. 0g x (1 gmol co2 / 44. 01 g) = Mass concentration of a component of a mixture or solution is the mass of this component per unit volume of the mixture [=] g/cm3, lbm/ft3, kg/in3. Pressure [=] n/m2 (pa) , dynes/cm2 , lbf/in2 (psi) Assume patm = 101325 pa when open to atmosphere and not given (1 atm = 101325 pa)
