'00 grams' presentation slideshows

C: 2 Nov. 2010

C: 2 Nov. 2010. Objective : SWBAT show what you know about the language of chemistry on a test, and convert between atoms/molecules and moles of an element. Do now : What type of question are you most confident about? What type of question are you least confident about?. C: Agenda. Do now

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What is a MOLE?

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The mass of particles

The mass of particles. Relative isotopic mass, Relative atomic mass, Relative molecular mass, The mole. The relative isotopic mass (I r ) of an isotope is the mass of an atom of that isotope relative to the mass of an atom of 12 C taken as 12 units exactly. Relative isotopic mass.

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Chapter 2 The Mole: The Link Between the Macroscopic and the Atomic Worlds of Chemistry

In this chapter we explore the quantitative aspect of chemistry, also known as stoichiometry. The concept of the mole is a key part of stoichiometry. Chapter 2 The Mole: The Link Between the Macroscopic and the Atomic Worlds of Chemistry.

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Before we start, make sure each group has a calculator, periodic table, and a white board

Before we start, make sure each group has a calculator, periodic table, and a white board. No notes though. Choose Your Category. The Final Question. History - 100. I proposed this as the model of the atom. The Answer is JJ Thomson. Back. History - 200.

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Mineral Identification Basics

Mineral Identification Basics. PHYSICAL PROPERTIES COLOR. Amethyst. Ionic Iron. Hematite Inclusions. Chlorite inclusions. Clear - Without Impurities. Quartz comes in a wide range of colors. It is very easily colored by even trace amounts of impurities. (*). Various colors of Quartz.

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Mineral Identification Basics

Mineral Identification Basics. PHYSICAL PROPERTIES COLOR. Amethyst. Ionic Iron. Hematite Inclusions. Chlorite inclusions. Clear - Without Impurities. Quartz comes in a wide range of colors. It is very easily colored by even trace amounts of impurities. (*). Various colors of Quartz.

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Percent Composition and Empirical Formula

Percent Composition and Empirical Formula. Determining Chemical Formulas. Percent Composition. What does composition mean? It is the physical make up of a substance The difference substances that make up a substance. The individual parts. How to find Percent Composition.

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Test #5 Review

Test #5 Review. Significant Figures. Define precision. How detailed is your measurement. Define accuracy. How correct is your measurement. Is it possible to be very precise and very inaccurate?. Yes. You could, for example, measure your height to be 5.6224 meters.

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Beaker containing 100 mL of water on a balance.

Beaker containing 100 mL of water on a balance.

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Calculating Percent Error

Calculating Percent Error. What is it??. Percent Error is used to determine the inaccuracy, in percentage, of a measured or estimated value, compared to an accepted value. The Components of the Formula.

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Calculating Percent Error

Calculating Percent Error. What is it??. Percent Error is used to determine the inaccuracy, in percentage, of a estimated value, compared to the actual value. The Components of the Formula. Estimated Value ( Measured Value )- The educated guess of an experiment.

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Chapter 3: Stoichiometry

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Percentage Composition

Percentage Composition. But first, a word or two about hydrates. Hydrates. Hydrates are ionic cmpds (salts) that have water molecules bound to their ions. Examples: CuSO 4 ?5H 2 O Fe(NO 3 ) 3 ?9H 2 O CoCl 2 ?6H 2 O SnCl 2 ?2H 2 O Water can sometimes be removed by heating.

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