Laboratory Techniques in Organic Chemistry
4th Edition
ISBN: 9781464134227
Author: Jerry R. Mohrig, David Alberg, Gretchen Hofmeister, Paul F. Schatz, Christina Noring Hammond
Publisher: W. H. Freeman
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Chapter 2, Problem 2Q
Interpretation Introduction
Interpretation:
The strategy that is not an option in the industry to obtain to develop a more sustainable process should be determined.
Concept introduction:
The sustainable industrial processes are used to reduce the dependency on the petroleum industry for energy and raw material. It is also a process that seeks to minimize the impact of chemicals on the environment
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19. The chemical equation for photosynthesis is
_CO2 (g) + _H₂O (1)→ __C6H1206 (s) +
(C6H12O6 is glucose, the simplest sugar)
a. Balance the chemical equation above by filling in the blanks.
b. According to onetreeplanted.org, the average tree (across all climates and sizes) removes 10 kg of
carbon dioxide from the atmosphere every year. Based on this, what mass of glucose is produced
annually by the average tree?
O2 (g)
c. Teak is a common species of tropical tree. The graph below shows the amount of CO₂ absorbed by teak
forests in tons of CO₂ per hectare of forest per year, according to the climate region where the forests
are found (dry = low rainfall, humid=high rainfall). Looking at your photosynthesis equation again, what
does this data suggest about which reactant is the limiting reactant for teak trees? Explain.
C Teak
Carbon sequestration rate (tons CO₂ ha -1yr -1)
10
10
20
Tropical
humid
Tropical
dry
Aboveground biomass,
0-20 years
Belowground biomass,
0 -20 years
Ammonification is the process by which
A
B
C
ammonia is released during the decomposition of nitrogen-containing organic
compounds
ammonium is converted to nitrite and nitrate in soils
nitrate from soil is transformed to gaseous nitrogen compounds such as NO,
N₂O, and N₂
D gaseous nitrogen is fixed to yield ammonia
4
For the steam hydrocarbon reforming process, the equilibrium law expression is
[CO₂(g)][H₂(g)]*
[CH][H₂0²
Kc
The reaction described by this equilibrium is
CH4 (a) + H₂O(g) = CO₂(g) + H₂(g)
CH4 (q) + 2H₂O(g) = CO₂(g) + 4H₂(g)
CO₂(g) + 4H₂(g) = CH₁ (a) +2H₂O(g)
CO₂(g) + H₂ (a) CH4 (q) + H₂O(g)
Chapter 2 Solutions
Laboratory Techniques in Organic Chemistry
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