Consider the Haber process: N 2 ( g ) + 3 H 2 ( g ) → 2 NH 3 ( g ) ; Δ H ° = − 91.8 kJ The density of ammonia at 25°C and 1.00 atm is 0.696 g/L. The density of nitrogen, N 2 , is 1.145 g/L, and the molar heat capacity is 29.12 J/(mol · °C). (a) How much heat is evolved in the production of 1.00 L of ammonia at 25°C and 1.00 atm? (b) What percentage of this heat is required to heat the nitrogen required for this reaction (0.500 L) from 25°C to 400°C, the temperature at which the Haber process is run?
Consider the Haber process: N 2 ( g ) + 3 H 2 ( g ) → 2 NH 3 ( g ) ; Δ H ° = − 91.8 kJ The density of ammonia at 25°C and 1.00 atm is 0.696 g/L. The density of nitrogen, N 2 , is 1.145 g/L, and the molar heat capacity is 29.12 J/(mol · °C). (a) How much heat is evolved in the production of 1.00 L of ammonia at 25°C and 1.00 atm? (b) What percentage of this heat is required to heat the nitrogen required for this reaction (0.500 L) from 25°C to 400°C, the temperature at which the Haber process is run?
Solution Summary: The author calculates the amount of heat released in the production of 1.00 L of ammonia at 25°C and1atm.
Author: Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
N
2
(
g
)
+
3
H
2
(
g
)
→
2
NH
3
(
g
)
;
Δ
H
°
=
−
91.8
kJ
The density of ammonia at 25°C and 1.00 atm is 0.696 g/L. The density of nitrogen, N2, is 1.145 g/L, and the molar heat capacity is 29.12 J/(mol · °C). (a) How much heat is evolved in the production of 1.00 L of ammonia at 25°C and 1.00 atm? (b) What percentage of this heat is required to heat the nitrogen required for this reaction (0.500 L) from 25°C to 400°C, the temperature at which the Haber process is run?
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Deducing the reactants of a Diels-Alder reaction
n the molecule on the right-hand side of this organic reaction be made in good yield from no more than two reactants, in one
step, by moderately heating the reactants?
?
Δ
• If your answer is yes, then draw the reactant or reactants in the drawing area below. You can draw the reactants in any
arrangement you like.
• If your answer is no, check the box under the drawing area instead.
Explanation Check
Click and drag to start drawing a structure.
>
Predict the major products of the following organic reaction:
+
Some important notes:
A
?
• Draw the major product, or products, of the reaction in the drawing area below.
• If there aren't any products, because no reaction will take place, check the box below the drawing area instead.
• Be sure to use wedge and dash bonds when necessary, for example to distinguish between major products that are
enantiomers.
Explanation
Check
Click and drag to start drawing a structure.
Chapter 6 Solutions
General Chemistry - Standalone book (MindTap Course List)
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