Chemistry, 24.09.2019 19:00 lexiecooley
Aprocess that is being considered for construction has been through several technical reviews; block flow, process flow, and piping and instrumentation diagrams are available for the process. explain the changes that would have to be made to the three principal diagrams if during a final preconstruction review, the following changes were made a. the area of a filter press had been specified incorrectly as 300 m instead of 350 m b. the cooling water flowrate needed for a heat exchanger was calculated incorrectly and is now 50% greater than before. c. several globe valves have been added to the plant to allow for manual regulation of flowrates. d. the cooling loop for a reactor has been rerouted (through one additional heat exchanger and one cooler) to improve process heat integration e. there is a change in the control strategy for a distillation tower bottom level. it has been decided that the level of the distillation tower will be controlled by regulating an existing control valve at the feed line to the tower rather than the tower bottom outlet flowrate.
Answers: 2
Chemistry, 22.06.2019 02:00
How many moles of magnesium is 3.01 x10^22 atoms of magnesium?
Answers: 1
Chemistry, 22.06.2019 10:40
Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4nh3 (g) + 5o2 (g) β 4no (g) + 6h2o (g) also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the following composition: compound pressure at equilibrium nh3 65.1atm o2 31.3atm no 62.7atm h2o 65.8atm compound pressure at equilibrium nh3 65.3 atm o2 7.79 atm no 12.1 atm h2o 65.8 atm calculate the value of the equilibrium constant kp for this reaction. round your answer to 2 significant
Answers: 2
Chemistry, 22.06.2019 14:40
Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate β enzyme-substrate complex (b) enzyme + substrate βββ enzyme + products (c) enzyme + substrate βββ enzyme-substrate complex β enzyme + products (d) enzyme + substrate βββ enzyme-substrate complex β enzyme-substrate complex + products
Answers: 2
Chemistry, 22.06.2019 22:30
You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.
Answers: 3
Aprocess that is being considered for construction has been through several technical reviews; bloc...
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