Students learn how to predict the products of a chemical reaction. Types of Reactions: Students learn how to indicate the state of a substance in a chemical equation. The major types of reactions are ...

The reaction generates amino acids and nucleic acids, the building blocks of proteins and DNA. Four billion years ago, the Earth looked very different than it does today, devoid of life and covered by ...

New pharmaceuticals, cleaner fuels, biodegradable plastics: in order to meet society's needs, chemists have to develop new synthesis methods to obtain new products that do not exist in their natural ...