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Balancing Consolidation

This lesson focuses on balancing chemical equations and understanding the differences between formulas, equations, and reactions. Students will engage in warm-up reviews, quizzes, and a detailed explanation on balancing techniques. Homework includes practice writing test essay questions and completing a worksheet on equations. Key concepts involve recognizing states of matter, the use of vocabulary to denote reactions, and the role of catalysts. Engage with interactive elements like a Quiz Time Popper Demo to deepen your understanding of chemical reactions.

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Balancing Consolidation

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Presentation Transcript

  1. Balancing Consolidation Agenda • Warm up review • Check homework • Quiz • HW: Equations I

  2. On back of homework • Explain the difference between formulas, equations and reactions. Practice writing test essay question!

  3. Balancing homework • 1.3.2 • 2.2.3 • 2.1.2.1 • 2.1.2 • 2.1.2.1 • 2.3.6.1 • 1.2.1.2 • 1.5.3.4 • 2.25.16.18 • 1.3.1.3 • 4.5.2 • 2.2.2.1 • 2.4.1 • 1.12.8 • 6.6.1.6 • 2.1.2.1 • 2.1.1.1.1

  4. Explain: • What tricked you or confused you? • Pick any number and explain, like you are tutoring a freshmen (great detail), how to balance that question.

  5. Quiz Time

  6. Popper Demo • What do you think will happen?

  7. VocabularyUsed to separate compounds + used to separate two reactants or two products g means “yields” or “reacts to form”

  8. Used to tell state of matter (s) signifies a solid (l) signifies a liquid (g) signifies a gas (aq) means aqueous, dissolved in water Use PT in classroom and solubility chart on back of your PT to determine state of matter. Write as subscripts behind chemical formula!

  9. Tell state of matter Na Cl Hg NaCl Cu(NO3)2 PbI2 Based on Solubility Chart Based on PT

  10. Used to designate catalyst D indicated that heat is supplied to the reaction X indicates the substance above arrow was used as a catalyst – a substance that speeds up a reaction without undergoing any net change itself.

  11. Things to Remember The diatomics (H2, N2, O2, F2, Cl2, Br2, I2) Shape of a 7 on column 7 Energy is required to break bonds

  12. Zinc metal reacts with aqueous lead (IV) nitrate to yield zinc nitrate solution and lead

  13. Hydrogen gas reacts with nitrogen monoxide gas to produce water vapor and nitrogen gas.

  14. Aqueous calcium hydroxide reacts with phosphoric acid to precipitate calcium phosphate and water

  15. Ethanoic acid burns in oxygen to produce carbon dioxide gas and water vapor

  16. Homework • Complete the worksheet – Equations I • No late work accepted for credit.

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