Start typing, then use the up and down aroows to select an option from the list.
Biochemistry
Learn the toughest concepts covered in Biochemistry with step-by-step video tutorials and practice problems by world-class tutors
1.Introduction to Biochemistry
Gibbs Free Energy
1
concept
Gibbs Free Energy Equation
1m
Play a video:
2
concept
Reaction Direction
5m
Play a video:
3
concept
Gibbs Free Energy (Standard Conditions)
3m
Play a video:
4
concept
Gibbs Free Energy (Physiological Conditions)
8m
Play a video:
5
Problem
Consider a reaction where Keq=1.6 but Q = 3.19. What direction will the reaction proceed?
A
Forward.
B
Reverse.
C
Forward & reverse reactions proceed equally.
D
Not enough information provided to make conclusions.
6
Problem
At equilibrium, the reaction A ⇌ B + C has the following reactant concentrations: [A] = 3 mM, [B] = 4 mM, and [C] = 10 mM. What is the standard free energy change for the reaction & is it endergonic or exergonic?
A
– 6418 J
B
6418 J
C
10,698 J
D
– 10,698 J
7
Problem
ΔG˚=141.7 kJ for the following reaction. Calculate ΔG: T=10˚C, [SO 3] = 25mM, [SO2] = 50mM, & [O2] = 75 mM.
2 SO3(g) ⇌ 2 SO2(g) + O2(g)
A
– 6,437 J
B
39,938 J
C
-155,127 J
D
138,865 J