'1 mole' presentation slideshows

Unit 5

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Chapter 10 Chemical Quantities

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Stoichiometry

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Chemistry Unit 13

Chemistry Unit 13. Heat of Reaction. A calorie is the amount of heat needed to raise the temperature of 1 gram of H 2 O through 1 o C. 4.18 joules is the amount of heat needed to raise the temperature of 1 gram of H 2 O through 1 o C.

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How big is a mole? (Not the animal, the other one.) - Daniel Dulek TED TALK

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Counting Atoms

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The MOL!

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Thermochemistry

Thermochemistry. Study of energy changes that occur during chemical reactions and changes in state. First Law of Thermodynamics. Role of energy in a chemical reaction: r E system + r E surroundings = r E universe = 0 Another way of expressing the Law of Conservation of Energy!.

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The Mole Concept

The Mole Concept. Goal: To develop the concept of the mole as a useful measurement and to apply this in calculations involving mass and volume. Objectives. 1. Define the mole in terms of Avogadro's number, formula mass or molecular mass.

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Scientific Notation

Scientific Notation. Scientific Notation. In science, we deal with some very LARGE numbers:. 1 mole = 602000000000000000000000. In science, we deal with some very SMALL numbers:. Mass of an electron = 0.000000000000000000000000000000091 kg.

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3 . Composition of substances & solutions

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Chapter 5 Chemical Reactions and Quantities

Chapter 5 Chemical Reactions and Quantities. 5.8 Mass Calculations for Reactions. Steps in Finding the Moles and Masses in a Chemical Reaction. Moles to Grams. Suppose we want to determine the mass (g) of NH 3 that can form from 2.50 moles N 2 .

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The Mole Concept

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Ch. 10: The Mole

Ch. 10: The Mole. Sec. 10.5: The Formula for a Hydrate. Formula for a Hydrate. Determine the formula for a hydrate from laboratory data. Formula for a Hydrate. A hydrate is a compound that has a specific number of water molecules bound to its atoms. Formula for a Hydrate.

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Stoichiometry Review

Stoichiometry Review. What is a mole?. Definitions: A mole ( mol ) is a unit used for measuring atoms, molecules, or other particles A mole is equal to the number 6.022 x 10 23 A mole was the name given to the quantity of atoms in exactly 12 grams of carbon-12. Molar Mass.

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Limiting Reactants and ICE Charts

Limiting Reactants and ICE Charts. Chemistry Cake You have 20 cups of flour, 8 cups of sugar, 30 litres of milk and 48 eggs in your kitchen. The recipe for chemistry cake is: 3 cups of flour 2 cups of sugar 2 litres of milk + 6 eggs = 1 chemistry cake.

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Calculating Molar Mass

Calculating Molar Mass. On the periodic table, the atmoic mass given is the mass (in grams) of one mole of that atom. Sodium (Na) Molar Mass = 22.99 g Magnesium (Mg) = ____ g. What about molecules?. NaCl has one of each atom = 23 + 35.5 = 58.5 g in one mole of NaCl H 2 0

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Counting Atoms

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How Big is a Mole?

How Big is a Mole?. One mole of marbles would cover the entire Earth (oceans included) for a depth of two miles. One mole of $1 bills stacked one on top of another would reach from the Sun to Pluto and back 7.5 million times. It would take light 9500 years to travel from the bottom

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