4. Urea, CO(NH₂)2, is manufactured on a large scale for use in producing urea-formaldehyde plastics and as a fertilizer. What is the maximum mass of urea that can be manufactured from the CO₂ produced by combustion of 1.00 x 10³ kg of carbon followed by the reaction? CO (NHz)z (s) + H2O (I) CO₂ (g) + 2NH3(g)
4. Urea, CO(NH₂)2, is manufactured on a large scale for use in producing urea-formaldehyde plastics and as a fertilizer. What is the maximum mass of urea that can be manufactured from the CO₂ produced by combustion of 1.00 x 10³ kg of carbon followed by the reaction? CO (NHz)z (s) + H2O (I) CO₂ (g) + 2NH3(g)
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Answer only number 4
![II. Reaction Stoichiometry
1. Gallium chloride is formed by the reaction of 2.6 L of a 1.44 M solution of HCI according to
the following equation:
2Ga + 6HCI→→ 2GaCl₂ + 3H₂
(a) Outline the steps necessary to determine the number of moles and mass of gallium
chloride.
(b) Perform the calculations outlined.
2. Silver is often extracted from ores such as K[Ag(CN)₂] and then recovered by the reaction
2K[Ag(CN)₂] (aq) + Zn (s) 2Ag (s) + Zn(CN)2 (aq) + 2KCN (aq)
(a) How many molecules of Zn(CN)2 are produced by the reaction of 35.27 g of
K[Ag(CN)₂]?
(b) What mass of Zn(CN)₂ is produced?
3. Carborundum is silicon carbide, SiC, a very hard material used as an abrasive on sandpaper
and in other applications. It is prepared by the reaction of pure sand, SiO2, with carbon at high
temperature. Carbon monoxide, CO, is the other product of this reaction. Write the balanced
equation for the reaction, and calculate how much SiO₂ is required to produce 3.00 kg of SiC.
4. Urea, CO(NH2)2, is manufactured on a large scale for use in producing urea-formaldehyde
plastics and as a fertilizer. What is the maximum mass of urea that can be manufactured from
the CO₂ produced by combustion of 1.00 x 10³ kg of carbon followed by the reaction?
CO₂ (g) + 2NH3(g) CO (NHz)z (s) + H2O (I)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffe1f1044-217d-424a-bf90-9ed21be86bca%2F05d0f3b5-0fc5-407f-a3d7-fe2c6b8f4789%2Fwok3k99_processed.jpeg&w=3840&q=75)
Transcribed Image Text:II. Reaction Stoichiometry
1. Gallium chloride is formed by the reaction of 2.6 L of a 1.44 M solution of HCI according to
the following equation:
2Ga + 6HCI→→ 2GaCl₂ + 3H₂
(a) Outline the steps necessary to determine the number of moles and mass of gallium
chloride.
(b) Perform the calculations outlined.
2. Silver is often extracted from ores such as K[Ag(CN)₂] and then recovered by the reaction
2K[Ag(CN)₂] (aq) + Zn (s) 2Ag (s) + Zn(CN)2 (aq) + 2KCN (aq)
(a) How many molecules of Zn(CN)2 are produced by the reaction of 35.27 g of
K[Ag(CN)₂]?
(b) What mass of Zn(CN)₂ is produced?
3. Carborundum is silicon carbide, SiC, a very hard material used as an abrasive on sandpaper
and in other applications. It is prepared by the reaction of pure sand, SiO2, with carbon at high
temperature. Carbon monoxide, CO, is the other product of this reaction. Write the balanced
equation for the reaction, and calculate how much SiO₂ is required to produce 3.00 kg of SiC.
4. Urea, CO(NH2)2, is manufactured on a large scale for use in producing urea-formaldehyde
plastics and as a fertilizer. What is the maximum mass of urea that can be manufactured from
the CO₂ produced by combustion of 1.00 x 10³ kg of carbon followed by the reaction?
CO₂ (g) + 2NH3(g) CO (NHz)z (s) + H2O (I)
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