Unit 6

Chemical Equations

Demos to Perform:
Types of Reactions:
Synthesis:
Mg + O2 ---> 2MgO
Decomposition:
HgO  --->  Hg  +  O2
Single  Displacement:
Zn + 2HCl --->   ZnCl2  +  H2
Double Displacement:
2AgNO3 + K2CrO4 ---> 2KNO3 + Ag2CrO4
Combustion:
CH4  +  2O2 --->  CO2  + 2H2O

Demos:

Methane Bubbles Combustion video:

Gas Bombs-- Big Methane Bubbles, Bam Can & Potato Chips, 2-Liter Dry Ice Bomb, Video:

Burning magnesium produces so much heat that it decomposes carbon dioxide to produce oxygen to keep the magnesium burning! WOW! Video:

Here Endeth Equations
but they never go away!