If you calculate a value for ∆ G ° for a reaction using the values of Δ G f ∘ in Appendix 4 and get a negative number, is it correct to say that the reaction is always spontaneous? Why or why not? Free energy changes also depend on concentration. For gases, how is G related to the pressure of the gas? What are standard pressures for gases and standard concentrations for solutes? How do you calculate ∆ G for a reaction at nonstandard conditions? The equation to determine ∆G at nonstandard conditions has Q in it: What is Q ? A reaction is spontaneous as long as ∆ G is negative; that is, reactions always proceed as long as the products have a lower free energy than the reactants. What is so special about equilibrium? Why don’t reactions move away from equilibrium?
If you calculate a value for ∆ G ° for a reaction using the values of Δ G f ∘ in Appendix 4 and get a negative number, is it correct to say that the reaction is always spontaneous? Why or why not? Free energy changes also depend on concentration. For gases, how is G related to the pressure of the gas? What are standard pressures for gases and standard concentrations for solutes? How do you calculate ∆ G for a reaction at nonstandard conditions? The equation to determine ∆G at nonstandard conditions has Q in it: What is Q ? A reaction is spontaneous as long as ∆ G is negative; that is, reactions always proceed as long as the products have a lower free energy than the reactants. What is so special about equilibrium? Why don’t reactions move away from equilibrium?
Solution Summary: The author explains that thermodynamics is associated with heat, temperature, and its relation with energy and work. It helps predict whether a process will take place or not.
If you calculate a value for ∆G° for a reaction using the values of
Δ
G
f
∘
in Appendix 4 and get a negative number, is it correct to say that the reaction is always spontaneous? Why or why not? Free energy changes also depend on concentration. For gases, how is G related to the pressure of the gas? What are standard pressures for gases and standard concentrations for solutes? How do you calculate ∆G for a reaction at nonstandard conditions? The equation to determine ∆G at nonstandard conditions has Q in it: What is Q? A reaction is spontaneous as long as ∆G is negative; that is, reactions always proceed as long as the products have a lower free energy than the reactants. What is so special about equilibrium? Why don’t reactions move away from equilibrium?
Q2: Draw the molecules based on the provided nomenclatures below:
(2R,3S)-2-chloro-3-methylpentane:
(2S, 2R)-2-hydroxyl-3,6-dimethylheptane:
Q3: Describes the relationship (identical, constitutional isomers, enantiomers or diastereomers)
of each pair of compounds below.
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H
CH3
OH
OH
CH3
H3C
OH
OH
OH
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C
CH3
CH3
CH3
CH3
H3C
CH 3
C/III.....
Physics & Astronomy
www.physics.northweste
COOH
H
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H
2
OH
HO
CH3
HOOC
H
CH3
CH3
CH3
Br.
H
H
Br
and
H
H
H
H
Q1: For each molecule, assign each stereocenter as R or S. Circle the meso compounds. Label
each compound as chiral or achiral.
OH
HO
CI
Br
H
CI
CI
Br
CI
CI
Xf x f g
Br
D
OH
Br
Br
H₂N
R.
IN
Ill
I
-N
S
OMe
D
II
H
CO₂H
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Chapter 17 Solutions
Student Solutions Manual for Zumdahl/Zumdahl/DeCoste?s Chemistry, 10th Edition
Biochemistry: Concepts and Connections (2nd Edition)
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