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Balancing Chemical Equations

Balancing Chemical Equations. Hoooray. One or more beginning REACTANTS combine to form one or more ending PRODUCTS. What are chemical reactions?. Write correct formulas for reactants (place on the left) Separate reactants with a plus sign(s) (+)

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Balancing Chemical Equations

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  1. Balancing Chemical Equations Hoooray

  2. One or more beginning REACTANTS combine to form one or more ending PRODUCTS. What are chemical reactions?

  3. Write correct formulas for reactants (place on the left) • Separate reactants with a plus sign(s) (+) • Place a yield (arrow) after the last reactant • Write correct formulas for products (place on right) • Separate products with a plus sign(s) (+) WRITING AN EQUATION FOR A CHEMICAL REACTION

  4. Law of Conservation of Matter: Matter cannot be created or destroyed, BUT it may be rearranged into different types of particles. Why does this matter???? I’m glad you asked!!!!!!!!! LAW OF CONSERVATION OF MATTER

  5. A balanced equation has the same number of atoms of each element on the reactant and the product side • COEFFICIENTS (big numbers in front of a formula) are used to balance an equation • The COEFFICIENT applies to every element in a compound • 2H2 (g) + O2 (g) 2H20 (g) • Do not change subscripts to balance an equation HOW TO BALANCE AN EQUATION

  6. BALANCE EQUATIONS..BALANCE EQUATIONS..BALANCE EQUATIONS.. BALANCE EQUATIONS…BALANCE EQUATIONS…BALANCE EQUATIONS BALANCE EQUATIONS… BALANCE EQUATIONS….. BALANCE EQUATIONS… BALANCE! BALANCE! BALANCE! JUST DO IT !!!!!!!

  7. Balance the equation by writing the correct coefficients before each chemical. ReactantsProducts Mg + O2MgO # of # of Element Reactants Products WRITE AND BALANCE THE EQUATION

  8. Balance the equation by writing the correct coefficients before each chemical. ReactantsProducts Si + Cl2 SiCl4 # of # of Element Reactants Products WRITE AND BALANCE THE EQUATION

  9. Balance the equation by writing the correct coefficients before each chemical. ReactantsProducts CO + O2 CO2 # of # of Element Reactants Products WRITE AND BALANCE THE EQUATION

  10. Balance the equation by writing the correct coefficients before each chemical. ReactantsProducts SnO2 + H2 Sn + H2O # of # of Element Reactants Products WRITE AND BALANCE THE EQUATION

  11. Balance the equation by writing the correct coefficients before each chemical. ReactantsProducts N2H4 + O2 N2 + H20 # of # of Element Reactants Products WRITE AND BALANCE THE EQUATION

  12. Balance the equation by writing the correct coefficients before each chemical. ReactantsProducts SeCl6 + O2 SeO2 + Cl2 # of # of Element Reactants Products WRITE AND BALANCE THE EQUATION

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