Over a million students use our free study notes to help them with their homework
All amino acids except glycine are chiral molecules. This is also known as optical isomerism.
This means that they form isomers that are non-superimposable mirror images of each other. Wh...
Amino acids are the monomers that form peptides and proteins. There are 20 different amino acids that contain an amino group (NH2), carboxyl group (COOH) and R-group. The general formula is:...
(Note: proton and 1H+ are the same thing)
1. Draw a table with the following headings:
δ / ppm, integral, splitting, observations
2. Coun...
What is a buffer?
A buffer is a solution that resists a change in pH when small amounts of acid or base are added. It is composed of either a weak acid or a weak base wit...
formua of cyclohexane C6H12
molar ratio is 1:2 (divide 6 and 12 by 6 )
to get mass ratio multiply by molar mass (1 x 12 and 2x1)
12:2
←
197
198
199
200
201
→
Internet Safety
Payment Security
Cyber
Essentials