'4 moles' presentation slideshows

Semester 2 Final Review

Semester 2 Final Review. Chem Catalyst Convert 52 o C to Kelvin. Answer: 325 K. 2.) Convert 424 Kelvin to Celsius. Answer: 151 Celsius. 3.) The term that describes going from gas to liquid. Answer: Condensation. 4.) The term that describes going from liquid to solid. Answer: Freezing.

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The Mole

The Mole. Chap. 11. No, not that mole!. Counting Particles. Counting Particles. There are common units to count things. Counting Particles. There are common units to count things. Pair. Counting Particles. There are common units to count things. Pair = 2 Dozen. Counting Particles.

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Semester I CP Chemistry Review

Semester I CP Chemistry Review. 2009/2010. 1. What has to happen for a hypothesis to become a theory?. It has to be supported by many, many experiments. 2. Compare the size and mass of the nucleus in an atom. (where is most of the mass of an atom found?).

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Use the train track method to work the following problems:

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Chemical Composition

Chemical Composition. Chapter 6. Na 3 N 3 atoms sodium 1 atom nitrogen Fe(ClO 4 ) 2 1 atom Fe 2 atoms Cl 2x4 = 8 atoms O. How many atoms of oxygen are in 12 formula units of Ca 3 (PO 4 ) 2 ? How many formula units of calcium phosphate contain 27 atoms of Ca?

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Concentration of solutions

Concentration of solutions. CONCENTRATED = Lots of solute in the solution DILUTE = Not much solute in the solution. Ways to express concentration numerically. Molarity % by Mass % by Volume Parts per million. MOLARITY. Molarity = # of moles of solute in 1 liter of solution.

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Resources C 2 Flashcards pp.135-137

Resources C 2 Flashcards pp.135-137. These flash cards require a Periodic Table and a calculator. Using this equation: 3H 2 + N 2 ? 2NH 3 How many moles of H 2 are needed to completely react with 2 moles of N 2 ?. 6 moles of H 2.

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Introducing the mole

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Stoichio metry

Element. Measure. Stoichio metry. 2 H 2 + O 2 ? 2 H 2 O. 2 molecules of hydrogen react with every molecule of oxygen to produce 2 molecules of water 2 moles of hydrogen react with every mole of oxygen to produce 2 moles of water. 2 H 2 + O 2 ? 2 H 2 O. Multiply by 2

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Solids and Liquids

Solids and Liquids. Chapter 14. Intermolecular forces . Intramolecular forces. The forces that occur among molecules that cause them to aggregate to form a solid or a liquid. Bonding forces that hold atoms together within a molecule . Intermolecular forces.

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Stoichiometry Review Game!

Stoichiometry Review Game!. Rules.

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Stoichiometry Review Game!

Stoichiometry Review Game!. Find the molar mass of:. NaNO 3. Find the molar mass of:. Ca 3 (PO 4 ) 2. How many grams is 31 moles of NaCl ?. How many moles is 7 grams of CO 2 ?. Balance:. __ Fe + __H 2 O ? __ Fe 3 O 4 + __ H 2. Using this chemical equation:.

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Whiteboard Mole Problems

Whiteboard Mole Problems. Convert 5.40g of tin to moles. Convert 5.40g of tin to moles 0.05 mols. Find the mass of 3.41 moles of zinc. Find the mass of 3.41 moles of zinc. 223.0 g. How many moles are in 3.25 x 10 24 atoms of calcium?.

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Ratios Used in Chemistry

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Mole and # of Particles

Mole and # of Particles. A mole contains 6.02 x 10 23 particles. How many particles are in 2.0 moles of particles? 2 mol x 6.02 x 10 23 particles/mol = 12.04 x 10 23 particles = 1.2 x 10 24 particles When changing moles to number of particles simply

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Stoichiometry

Stoichiometry. Baking Chocolate Chip Cookies!!. 1 cup butter 1/2 cup white sugar 1 cup packed brown sugar 1 teaspoon vanilla extract 2 eggs 2 1/2 cups all-purpose flour 1 teaspoon baking soda 1 teaspoon salt 2 cups semisweet chocolate chips Makes 3 dozen.

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Moles to Moles Stoichiometry Calculation Notes

Moles to Moles Stoichiometry Calculation Notes. CP Chemistry. Stoichiometry. the study of quantitative relationships between amounts of reactants used and the products formed in a chemical reaction shows the conservation of matter mass of products = mass of reactants

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The Ideal Gas Law

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Balancing Chemical Equations

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Do NOW

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