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.
Unemployment Rate in the United States averaged 5.83 percent from 1948 until 2015, reaching an all time high of 10.80 percent in November of 1982 and a record low of 2.50 percent in May of 1953.948 - 2015. percent. Monthly. In the United States, the unemployment rate measures the number of people actively looking for a job as a percentage of the labour force.