Chemistry, 06.10.2019 09:02 HealTheWorld
The emission of no₂ by fossil fuel combustion can be prevented by injecting gaseous urea into the combustion mixture. the urea reduces no (which oxidizes in air to form no₂) according to the following reaction: 2co(nh₂)₂(g)+4no(g)+o₂(g)→4n₂(g)+2c o₂(g)+4h₂o(g) suppose that the exhaust stream of an automobile has a flow rate of 2.37 l/s at 657 k and contains a partial pressure of no of 14.0 torr .what total mass of urea is necessary to react completely with the no formed during 8.1 hours of driving? express answer in g.
Answers: 2
Chemistry, 21.06.2019 16:30, monithebtslover01
Find the empirical formula of each of the following compounds. given mass or for each element in a sample of the compound 3,611 g ca; 6.389 g c1
Answers: 1
Chemistry, 21.06.2019 19:00, luludawn2455
Dying the folding patterns of protein molecules can microbiologists better understand cellular processes as well as some diseases, such as alzheimer’s, that are caused by proteins that have misfolded. the folding of these complicated molecules can be simulated on computers, but it takes a lot of processor power and time for even expensive supercomputers to do this. a group of researchers at stanford university developed software that can be used to distribute the processing of data to anyone who is willing to donate time on their idle personal computers. as a result, the researchers have been able to achieve protein-folding simulations that are far better than those other computing methods have done. which statement best describes the work of these researchers? the work is not scientific because the data are not processed in one location. the work is not scientific because the simulations are not reproducible. the researchers applied creativity to solve a problem in running an experiment. the researchers used only well-established scientific techniques.
Answers: 3
The emission of no₂ by fossil fuel combustion can be prevented by injecting gaseous urea into the co...
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