e limiting reagent?

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter16: Thermodynamics: Directionality Of Chemical Reactions
Section: Chapter Questions
Problem 91QRT: Actually, the carbon in CO2(g) is thermodynamically unstable with respect to the carbon in calcium...
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Please answer 3 sub-units thank you!

Directions: Calculate the problem below.
The synthesis of urea, [(NH2)2CO, is considered to be the first recognized
example of preparing a biological compound from nonbiological
reactants, challenging the notion that biological processes involved a
“vital force" present only in living systems. Urea is also used in fertilizers
of the plants. Today urea is produced industrially by reacting ammonia
with carbon dioxide:
2NH3(g) + CO2(g) → (NH2)2CO(aq) + H2Oq)
In one process,
637.2 g
of NH3 are treated with 1142 g of CO2.
(a) Which of the two reactants is the limiting reagent?
(b) Calculate the mass of (NH2)2CO formed.
(c) How much excess reagent (in grams) is left at the end of the reaction?
Transcribed Image Text:Directions: Calculate the problem below. The synthesis of urea, [(NH2)2CO, is considered to be the first recognized example of preparing a biological compound from nonbiological reactants, challenging the notion that biological processes involved a “vital force" present only in living systems. Urea is also used in fertilizers of the plants. Today urea is produced industrially by reacting ammonia with carbon dioxide: 2NH3(g) + CO2(g) → (NH2)2CO(aq) + H2Oq) In one process, 637.2 g of NH3 are treated with 1142 g of CO2. (a) Which of the two reactants is the limiting reagent? (b) Calculate the mass of (NH2)2CO formed. (c) How much excess reagent (in grams) is left at the end of the reaction?
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