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Handouts/ Worksheets |
On line practiceBalancing equations on line practice quiz
Balancing equations tutorial Khan Academy balancing equations video tutorial Chem Team information and videos for balancing and types of reactions Phet Colorado Balancing Equations on line practice More Practice worksheets Fun, interactive activities to review basic concepts from the unit |
Balancing Rules:
1. Determine the correct formula for all reactants and products (use P.T. and ion sheet) 2. Reactants on left of arrow, products on right 3. Count the number of atoms of each element on each side 4. Balance one element at a time using coefficients a. NEVER CHANGE SUBSCRIPTS 5. Double check your work 6. if needed, reduce coefficients to lowest whole number ratio Common errors: 1. Writing incorrect chemical formulas 2. Balancing by changing subscripts instead of adding coefficients |