balancing equations

Question 1

synthesis

Answer 1

• two or more substances combine to form one new product
• A + B —> AB

Question 2

decomposition

Answer 2

• one substance breaks apart into two or more new substances
• BC —> B + C

Question 3

single displacement

Answer 3

• one substance takes the place of another in a chemical reaction
• AB + C —> A + BC

Question 4

double displacement

Answer 4

• the cations of two compounds exchange places forming new compounds
• AB + CD —> CB + AD

Question 5

combustion

Answer 5

• oxygen reacts with a hydrocarbon to form CO2 and water vapour often reproducing energy in the form of light
• Cx Hy + O2 —> CO2 + H2 O

Question 6

HOFBrINCl

Answer 6

only used when single element