January 7, 2010.
So, today we learnt about the types of reactions. There are 6:
-Synthesis: A + B -> AB
EX: 2SO2 + O2 -> 2SO3
-Decomposition: AB -> A + B
EX: 2C12H22011 -> 24C + 22SH2 + 11O2
-Single replacement: A + BC -> B + AC
EX: Ca + 2KCl -> 2K + CaCl2
-Double replacement: AB + CD -> AD + CB
(Switch the two non-metals)
EX: Mg + Cl2 + K2SO4 -> MgSO4 + 2KCl
-Neutralization: Acid + base -> water + ionic salt
EX: H2SO4 + 2KO4 -> 2HOH + K2SO4
-Combustion (reaction with oxygen): 2C8H18 + 25O2 -> 16CO2 + 18H2O
EX: 2Mg + O2 -> 2MgO
Watch video here: http://www.youtube.com/watch?v=nVysOW0Lb8U&feature=related