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Balancing Equations

Essential ?: What is the relationship between chemical equations, chemical formulas and atoms?. Balancing Equations.

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Balancing Equations

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  1. Essential ?: What is the relationship between chemical equations, chemical formulas and atoms? Balancing Equations

  2. Students know the idea of atoms explains the conservation of matter: In chemical reactions the number of atoms stays the same no matter how they are arranged, so their total mass stays the same.

  3. Students know the idea of atoms explains the conservation of matter: In chemical reactions the number of atoms stays the same no matter how they are arranged, so their total mass stays the same. Photosynthesis in plants Atoms and Compounds • # of atoms stays the same • Elements are rearranged • Decomposition • Synthesis • Replacement • Law of Conservation • Matter neither created or destroyed • Start and end with same amt

  4. Students know the idea of atoms explains the conservation of matter: In chemical reactions the number of atoms stays the same no matter how they are arranged, so their total mass stays the same. Reactant and Products Equal Sketch and label reactants & products.

  5. Students know chemical reactions usually liberate or absorb heat. What represents the heat? Which side has the reactants? Which side has the product?

  6. Students know chemical reactions usually liberate or absorb heat. Liberate or Absorb? Exothermic or Endothermic?

  7. Students know reactant atoms & molecules interact to form products with different chemical properties. What are the reactants? What is the product? What type of reaction took place?

  8. Students know reactant atoms & molecules interact to form products with different chemical properties. Identify the reactants with a chemical formula. Sketch and label the products.

  9. Students know reactant atoms & molecules interact to form products with different chemical properties. Can you identify the elements in the equation? Can you state the number of atoms for each element?

  10. Students know that compounds are formed by combining two or more different elements & that compounds have properties that are different from their original (constituent) elements. Identify the elements in the reactants.

  11. Students know that compounds are formed by combining two or more different elements & that compounds have properties that are different from their original (constituent) elements. • Balance the following equations. • ____ MgF2 + ____ Li2CO3 ____ MgCO3 + ____ LiF • ____ N2 + ____ F2 ____ NF3 • ____ AgNO3 + ____ Cu  ____ Cu(NO3)2 + ____ Ag

  12. Are there any ...

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