Balancing Chemical Equations. STEP 1 Check all molecular formulas and make sure they are neutral,...

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Balancing Chemical Equations

Transcript of Balancing Chemical Equations. STEP 1 Check all molecular formulas and make sure they are neutral,...

Page 1: Balancing Chemical Equations. STEP 1 Check all molecular formulas and make sure they are neutral, then count the atoms on both sides of the equation.

Balancing Chemical Equations

Page 2: Balancing Chemical Equations. STEP 1 Check all molecular formulas and make sure they are neutral, then count the atoms on both sides of the equation.

STEP 1

• Check all molecular formulas and make sure they are neutral, then count the atoms on both sides of the equation

Page 3: Balancing Chemical Equations. STEP 1 Check all molecular formulas and make sure they are neutral, then count the atoms on both sides of the equation.

STEP 2

• Balance elements in the following order:

NM, M, Poly, H, O

Page 4: Balancing Chemical Equations. STEP 1 Check all molecular formulas and make sure they are neutral, then count the atoms on both sides of the equation.

STEP 3

• When balancing the polys treat them as one unit if they appear on both sides of the equation.

Page 5: Balancing Chemical Equations. STEP 1 Check all molecular formulas and make sure they are neutral, then count the atoms on both sides of the equation.

STEP 4

• About element subscripts:

If there is an odd on one side and an even on the other, put the odd number in front of the even.

Page 6: Balancing Chemical Equations. STEP 1 Check all molecular formulas and make sure they are neutral, then count the atoms on both sides of the equation.

STEP 5

• Count all atoms on both sides of the equation and make sure they are equal.

Page 7: Balancing Chemical Equations. STEP 1 Check all molecular formulas and make sure they are neutral, then count the atoms on both sides of the equation.

Helpful Hints

• Combustion equations sometimes start with a 2 as the coefficient of the hydrocarbon.

• Never begin with balancing H or O!!

Page 8: Balancing Chemical Equations. STEP 1 Check all molecular formulas and make sure they are neutral, then count the atoms on both sides of the equation.

YOU ARE BALANCED!!