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Balancing Act 2

Balancing Act 2. Admit Slip. Take out yesterday’s Classwork and Homework to be checked!. Today’s Objectives. Students will be able to: Balance chemical equations Explain the law of conservation of mass. Agenda. Homework Check Homework and Classwork Review

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Balancing Act 2

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  1. Balancing Act 2

  2. Admit Slip Take out yesterday’s Classwork and Homework to be checked!

  3. Today’s Objectives Students will be able to: • Balance chemical equations • Explain the law of conservation of mass Unit IV • Investigation II-X

  4. Agenda • Homework Check • Homework and Classwork Review • Balancing Act 2 Classwork • Review • Exit Slip

  5. Yesterday’s Classwork 1. Label the products and reactants in the following chemical equation: HCl(aq) + NaHCO3(aq) NaCl(aq) + H2O(l) + CO2(g) 2. Is the following chemical equation balanced? Why or why not? CaCl2 (aq) + NaOH (aq)  Ca(OH)2 (s) + NaCl (aq)

  6. Classwork cont.. 3. Is the following chemical equation balanced? Why or why not? CO2 (s) + H2O (l)  H2CO3 (aq)

  7. Balance the following equations, making sure the final equation is written CLEARLY. If the equation is already balanced, write “balanced” after the equation. • Cu + HCl CuCl2 + H2 • KBr + AgNO3 KNO3 + AgBr • CO2 + H2O  HCO3 + CO

  8. Homework Review 1. K(s) + I2 (s)  KI(s) 2. Mg(s) + Br2(l)  MgBr2 (s)

  9. Homework Review 3. C3H8 + O2  CO2 + H2O 4. C2H6O + O2 CO2 + H2O

  10. Homework Review • Al(s) + O2 (g)  Al2O3

  11. Classwork Complete your classwork by

  12. Exit Slip a) What is the number 2 called in 6CO2 a) coefficientor b) subscript ? b) What is the number 6 called in 6CO2 a) coefficientor b) subscript ? c) How many oxygen, O atoms are included in 6CO2? d) How many carbon, C atoms are included in 6CO2?

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