'3 moles' presentation slideshows

Chemical Kinetics

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4. Balancing Reactions

4. Balancing Reactions. How are coefficients different from subscripts? 2 H 2 + O 2 ? 2 H 2 O subscripts = # of atoms. 4. Balancing Reactions. How are coefficients different from subscripts? 2 H 2 + O 2 ? 2 H 2 O coefficients = how many. 4. Balancing Reactions. 2 H 2 + O 2 ? 2 H 2 O

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Chapter 6

Chapter 6. Chemical Quantities. How you measure how much?. You can measure mass, or volume, or you can count pieces. We measure mass in grams. We measure volume in liters. We count pieces in MOLES. Moles. Defined as the number of carbon atoms in exactly 12 grams of carbon-12.

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Chapter 6

Chapter 6. Chemical Quantities. How you measure how much?. You can measure mass, or volume, or you can count pieces. We measure mass in grams. We measure volume in liters. We count pieces in MOLES. Moles. Defined as the number of carbon atoms in exactly 12 grams of carbon-12.

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Final Exam Review

Final Exam Review. How many protons in a sulfur atom?. How many protons in a sulfur atom?. 16. How many valence electrons in an arsenic atom?. How many valence electrons in an arsenic atom?. 5. J.J. Thomson discovered the _________. J.J. Thomson discovered the _________. electron.

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Chapter 7 Chemical Quantities

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Chapter 7 Chemical Quantities

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The Mole , Ch. 10 You need a calculator from this chapter on.

The Mole , Ch. 10 You need a calculator from this chapter on. *The mole was invented as a way to describe number of atoms. *1 mole = 6.02 x 10 23 things. 602,000,000,000,000,000,000,000 things. What if you had a mole of $1 bills?.

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Stoichiometry and the mole- Your new bffl November 2 2 +3 3 -1, 2.009 * 10 3

Stoichiometry and the mole- Your new bffl November 2 2 +3 3 -1, 2.009 * 10 3. Objective: SWBAT perform stoichiometric conversions from mole to mass, from mass to mass Catalyst: How many basketballs are in a dozen? How many turkeys are in a dozen? How was your break?

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Section 3.3 The Mole: A Measurement of Matter

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Chapter 6

Chapter 6. Chemical Quantities. How you measure how much?. You can measure mass, or volume, or you can count pieces. We measure mass in grams. We measure volume in liters. We count pieces in MOLES. Moles. Defined as the number of carbon atoms in exactly 12 grams of carbon-12.

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Reference tables and calculators mandatory right now

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So what unit do chemists use to count particles?

So what unit do chemists use to count particles? Particles are so tiny, chemists use the unit of moles. A mole contains 6.02 x 10 23 atoms. 602, 000, 000, 000, 000, 000, 000, 000. 602,000,000,000,000,000,000,000.

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Catalyst

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CHEMICAL CALCULATIONS

CHEMICAL CALCULATIONS. Chapter 9 Section 2. Balanced Equations. Mole to Mole Calculations. Ratio of particles Ratio of moles Masses Most important is the ratio of moles This allows you to determine the number of moles of all substances in the reaction. Example. N 2 + 3H 2 ? 2NH 3

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The Mole: A Measurement of Matter

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Midterm Policies

Midterm Policies. Location: No Calculators Bring IDs Restroom Policy: Bring exam up to TA 1person gone at a time Come up to TA to ask a question. Office Hour Changes: in 4077A Young Hall. This week ONLY Canceled: Fri 10-11am Additional: Thurs 4-6pm. Weak Acids.

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Stoichiometry

Stoichiometry. Alyson and Heather. Conversions using moles. You first need a balanced equation The coefficients in the equation represent how many moles there are for that molecule or compound Ex: 2 Zn (there are 2 moles of zinc ). Mole-Mole.

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Mole Calculations 1

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