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The BasicsThe Basics
Balancing EquationsBalancing Equations
The ReactionThe ReactionBurning METHANE or any hydrocarbon
gives WATER and CARBON DIOXIDEBurning METHANE or any hydrocarbon
gives WATER and CARBON DIOXIDE
The EquationThe Equation
MethaneMethane WaterWater
Carbon DioxideCarbon Dioxide
from burning in airfrom burning in air
CH4CH4 + O2+ O2 H2OH2O + CO2+ CO2
The ReactionThe Reaction
CH4CH4 + O2+ O2 H2OH2O + CO2+ CO2
CC
HH
HH
HH
HH OO OO
Our Methane molecule
Our Methane molecule Our Oxygen
moleculeOur Oxygen
molecule
The ReactionThe Reaction
CC
HH
HH
HH
HH OO OO
We need ENERGY to get this reaction goingWe need ENERGY to get this reaction going
The ReactionThe Reaction
The ENERGY needs to be enough to break the bondsThe ENERGY needs to be enough to break the bonds
CC
HH
HH
HH
HH OO OO
The ReactionThe Reaction
The ENERGY needs to be enough to break the bondsThe ENERGY needs to be enough to break the bonds
CC
HH
HH
HH
HH OO OO
The ReactionThe Reaction
The ENERGY needs to be enough to break the bondsThe ENERGY needs to be enough to break the bonds
CC
HH
HH
HH
HH OO OO
The ReactionThe Reaction
CC
HH
HH
HH
HH OO OO
Now all the atoms are free to moveNow all the atoms are free to move
The ReactionThe Reaction
CCHH
HH
HH
HH
OO
OO
Now all the atoms are free to moveNow all the atoms are free to move
The ReactionThe Reaction
CCHH
HH
OO
OO
Now all the atoms are free to moveNow all the atoms are free to move
HH
HH
The ReactionThe Reaction
CCHH
HH
OO
Now all the atoms are free to moveNow all the atoms are free to move and reactand react
OOHH
HH
The ReactionThe Reaction
CCHH
HH
OO
Now all the atoms are free to moveNow all the atoms are free to move and reactand react
OOHH
HH
A water moleculeA water molecule
The ReactionThe Reaction
CCHH
HH
OO
Now all the atoms are free to moveNow all the atoms are free to move and reactand react
OOHH
HH
Another water molecule
Another water molecule
But what about?But what about?
The ReactionThe Reaction
CCHH
HH
OO
OOHH
HH
Let’s move these 2 water molecules to one side firstLet’s move these 2 water molecules to one side first
The ReactionThe Reaction
CCHH
HH
OO
OOHH
HH
Well, there’s plenty of O2 in the air
Well, there’s plenty of O2 in the air OO OO
OO OOOO OO
OO OO
As there is ALL the timeAs there is ALL the time
The ReactionThe Reaction
CCHH
HH
OO
OOHH
HH
The initial energy broke a few more
bonds
The initial energy broke a few more
bondsOO OO
OO OOOO OO
OO OO
As there is ALL the timeAs there is ALL the time
CCHH
HH
OO
OOHH
HH
OO
OO
The ReactionThe Reaction
These atoms are free to move as wellThese atoms are free to move as well
CC
HH
HH
OO
OOHH
HH
OO
OO
The ReactionThe Reaction
These atoms are free to move as wellThese atoms are free to move as well
CC
HH
HH
OO
OOHH
HH
OO
OO
The ReactionThe Reaction
and make new bondsand make new bonds
CC
HH
HH
OO
OOHH
HH
OO
OO
The ReactionThe Reaction
and make new bondsand make new bonds
One CO2 moleculeOne CO2 molecule
The EquationThe EquationWhat we usedREACTANTSWhat we usedREACTANTS
CC
HH
HH
HH
HH
One Methane molecule
One Methane molecule
andand
Two Oxygen molecules
Two Oxygen molecules
OO OO
OO OO
CH4CH4 O2O2++ 22
The EquationThe EquationWhat we madePRODUCTS
What we madePRODUCTS
andand
One Carbon Dioxide molecule
One Carbon Dioxide molecule
CCOO
OO
Two Water moleculesTwo Water molecules
HH
HH
OO
OOHH
HH
CO2CO2 H2OH2O++ 22
CH4CH4 O2O2++ CO2CO2 H2OH2O++
The EquationThe Equation
CH4CH4 O2O2++ CO2CO2 H2OH2O++
The EquationThe Equation
22 22
BalancedBalanced