Monthly Archives: May 2013


Balancing the equation for the reaction between phosphorus pentoxide and water to make phosphoric acid.
One of the basic skills you will develop as you study chemistry is the ability to balance a chemical equation. One you have written a balanced equation, you will be in a good position to perform all manner of calculations! Balancing a chemical equation refers to establishing the mathematical relationship […]

Guidelines for Balancing Chemical Equations


Histidine Structure
The human body can make 10 of the twenty amino acids, but the other 10 must be obtained through food. These are the essential amino acids. The essential amino acids are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. Arginine is an essential amino acid for babies and […]

Name the Essential Amino Acids