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sillslola816oxb5h7
13.09.2019 •
Chemistry
Acarbon nanotube is a sheet of graphite rolled into a tube as shown. they were discovered in 1992 by accident and represent extremely exciting new materials since they are very strong (100 times the tensile strength of steel), can store hydrogen, and are excellent candidates for new electronic displays. they are made by a variety of techniques, one of which is the catalytic decomposition of ethane over cobalt and iron catalysts supported on silica. the two relevant reactions that occur simultaneously are: c2h6 → 2c + 3h2 c2h6 → c2h4 + h2 if you collect 3 kmol/h of h2 and 0.5 kmol/h of c2h4 during the production what is the selectivity of carbon nanotubes (c) relative to ethylene (c2h4)?
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Ответ:
Q1 = A
Q2 =A
Q3 = B
Q4 = B
Q5 = A
Q6 = B