Lecture_Notes_091109a

Lecture_Notes_091109a - Lecture Note 9/11/2009

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Chemical Equations y In chemical reactions the atoms reorganize into different compounds with the same number of atoms. Chemical equations describe the process y Balanced chemical equations account for the conservation of atoms and mass y Chemical equations can represent different types of reactions
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Chemical Equations y Balance the following chemical equations: { CO 2 (g) + CaSiO 3 (s) + H 2 O (l) SiO 2 (s) + Ca(HCO 3 ) 2 (aq) { Ca 3 (PO 4 ) 2 (s) + SiO 2 (s) + C (s) P 4 (g) + CaSiO 3 (l) +C O (g)
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Balance the following equation: H 2 + O 2 H 2 O 1 , ½ , i t is alre a dy bal nced 2, 1, 2 4, 4 1% 4% 94% 1% 1. 1, ½, ½ 2. it is already balanced 3. 2, 1, 2 4. 4, 2, 4
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Using Chemical Equations y To make a pizza we need to have 1 crust, 5 oz of tomato sauce and 2 cups of cheese. How many pizzas can we make in the following cases, and how much of the other ingredients are required? { 2 crusts { 1 cup cheese
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Using Chemical Equations y In photosynthesis, plants convert carbon dioxide and water into glucose (C 6 H 12 O 6 ) with oxygen as a by product.
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This note was uploaded on 10/14/2009 for the course CHEM 105ALg at USC.

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Lecture_Notes_091109a - Lecture Note 9/11/2009

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