The general concept of a chemical reaction has been extended to reactions between entities smaller than atoms, including nuclear reactions, radioactive decays, and reactions between elementary particles as described by quantum field theory.n a synthesis reaction, two or more simple substances combine to form a more complex substance. These reactions are in the general form: Two or more reactants yielding one product is another way to identify a synthesis reaction.
For payments paid to unemployed people, see unemployment benefits. The unemployment rate is a measure of the prevalence of unemployment and it is calculated as a percentage by dividing the number of unemployed individuals by all individuals currently in the labor force. During periods of recession, an economy usually experiences a relatively high unemployment rate.
Broadly speaking, a high unemployment rate is anything more than 10 percent, although anything more than 5 percent might be considered high in developed nations. In the United States, a normal unemployment rate is 6 to 7 percent, with anything higher than that considered a high unemployment rate.Unemployment in the U.S. jumped from about 6 percent to more than 10 percent between 2008 and 2010.More facts about unemployment :n the United States, a normal unemployment rate is 6 to 7 percent, with anything higher than that considered a high unemployment rate.