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

clock
1m
Play a video:
Was this helpful ?
0
2

concept

Reaction Direction

clock
5m
Play a video:
Was this helpful ?
1
3

concept

Gibbs Free Energy (Standard Conditions)

clock
3m
Play a video:
Was this helpful ?
0
4

concept

Gibbs Free Energy (Physiological Conditions)

clock
8m
Play a video:
Was this helpful ?
0
5
Problem

Consider a reaction where Keq=1.6 but Q = 3.19. What direction will the reaction proceed?

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?

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)