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.
July unemployment rates: adult men, 7.0 percent; adult women, 6.5 percent; teens, 23.7 percent. In July, the unemployment rate (for all persons 16 years and over) edged down to 7.4 percent. Over the year, this measure was down by 0.8 percentage point; the rate in July 2012 was 8.2 percent. 1  Chart Image.