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Chapter 3 Review Sheet2011 - 2 Calculate the density in...

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ChE 2033 Chemical Engineering Fundamentals Fall 2011 REVIEW SHEET FOR CHAPTER #3: PROCESSES AND PROCESS VARIABLES List of terms you should know Density specific gravity specific volume mass flow rate gram-mole lb-mole flow meter volumetric flow rate Atom weight molecular weight rotameter orifice meter Mass fraction mole fraction mass percent mole percent ppm mass concentration molar concentration basis of calculation average MW head of fluid fluid pressure hydrostatic pressure absolute pressure vacuum pressure Bourdon gauge open-end manometer barometer ppb Absolute zero sealed-end manometer differential manometer Objectives 1. Explaing in your own words and without the use of jargon (a) the difference between density and specific gravity; (b) the meaning of gram-mole, lb-mole, mol, and kmol; (c) at least two methods for measuring temperature and at least two for measuring fluid pressure; (d) the meaning of the terms absolute pressure and gauge pressure; (e) why atmospheric pressure is not necessarily 1 atm.
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Unformatted text preview: 2. Calculate the density in g/cm 3 or lbm/ft 3 of a liquid or solid species from a knowledge of the specific gravity and vice versa. 3. Calculate two of the quantities mass (or mass flow rate), volume (or volumetric flow rate), and moles (or molar flow rate) from a knowledge of the third quantity for any species of known density and molecular weight. 4. Given the composition of a mixture expressed in terms of mass fractions, calculate the composition in terms of mole fractions, and vice versa. 5. Determine the average molecular weight of a mixture from the mass or molar composition of the mixture. 6. Convert a pressure expressed as a head of fluid to the equivalent pressure expressed as a force per unit area, and vice versa. 7. Convert a manometer reading into a pressure difference for an open-end manometer, a sealed-end manometer, and a differential manometer. 8. Convert among temperatures expressed in K, ° C, ° F, and ° R....
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