Chemistry, 09.10.2020 20:01 IkarosSakurai
Students must answer this question in full. Show all logic, equations, values, units and sig figs.
Melamine (C3N3(NH2)3) is a component of many adhesives and resins and is manufactured in a two-step
process from urea (CO(NH2)2) as the sole starting material. How many moles of urea would be required if we
want to collect 1.00 kg of melamine and if the first step in the process is 100% yield, but the second step is only
65% yield?
(1) CO(NH2)2 (1) â–º HNCO(1) + NH3(g) (balanced)
(2) HNCO(1) → C3N3(NH2)3 (1) + CO2(g) (unbalanced)
Answers: 3
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Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?
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In what environment would mineral formation caused by high pressures and high temperatures most likely occur?
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How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.
Answers: 1
Students must answer this question in full. Show all logic, equations, values, units and sig figs....
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