Stoichiometry PowerPoint

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Conservation of Mass • Remember also that atoms and molecules cannot appear or disappear, so the total masses of all the reactants must equal the total masses of all the products. • 4g H 2 + 32g O 2 36g H 2 O • 36 g reactants 36g products
Conservation of Mass • All of the atoms present at the start are still present at the end; they have simply been rearranged into new combinations. • It’s sort of like the world’s coolest Lego set. You have some basic building blocks, and you can make all sorts of great stuff. • This is true for all chemical reactions and processes. Formative assessment: Unit 9, 5 clicker questions.
Page 1 and 2: Stoichiometry Connecting Mathematic
Page 3 and 4: Understanding Stoichiometry • Hyd
Page 5 and 6: Understanding Stoichiometry • How
Page 7: The Magic of Avogadro’s Number
Page 11 and 12: Mg + F 2 MgF 2 • Did your drawin
Page 13 and 14: 4 Al + 3 O 2 2 Al 2 O 3 • Partic
Page 15 and 16: Mass Ratios • Determining mass ra
Page 17 and 18: Now The Fun Begins • Once you kno
Page 19 and 20: Mole Ratio • Three times as much
Page 21 and 22: Solving Stoichiometry Problems •
Page 27 and 28: Examples • Let’s try a couple o
Page 29 and 30: Examples • If we start with 50.0g
Page 31 and 32: Curve Ball • Starting with the sa
Page 33 and 34: Try One on Your Own • Fe 2 O 3 +
Page 35 and 36: Simplify • As you become more pra

Stoichiometry PowerPoint

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