'02x10 23' diaporamas de présentation

Gas mole test

Gas mole test. PTg=1mole=6.02x10 23= 22.4L at STP. 1. Wax that can be used as a solid rocket booster is found to contain 85.2 % C and 16.8% H. a) 85.2 g of carbon represents 1pt i) more than 1mole C atoms ii) less than 1 mole C atoms iii) equal to 1 mole C atoms

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THE MOLE

THE MOLE. How Scientists Keep Track of Atoms. One way to measure how much substance available is to count the # of particles in that sample However, atoms & molecules are extremely small Also, the # of individual particles in even a small sample is very large

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Stoichiometry: Mathematics of chemical formulas and equations

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Moles

Moles. The Mole. This is a unit of measurement. Moles. 1 mole = 6.02x 10 23 particles. Find amount of particles and weight. 1 mole of copper atoms= 1 mole of NaCl Formula units= 1 mole of water molecular units=. 1 mole of copper atoms= 6.02x10 23 atoms= 63.5g

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Stoichiometry: Mathematics of chemical formulas and equations

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Page 311

Page 311. 1. Determine the number of atoms in 2.50 mol Zn. Page 311. 1. Determine the number of atoms in 2.50 mol Zn. 6.02x10 23 atoms 2.50 mol x ----------- = 1 mol. Page 311. 1. Determine the number of atoms in 2.50 mol Zn. 15.05 x 10 23 atoms.

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THE MOLE Unit 7

THE MOLE Unit 7. How Scientists Keep Track of Atoms. One way to measure how much substance available is to count the # of particles in that sample However, atoms & molecules are extremely small Also, the # of individual particles in even a small sample is very large

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

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

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THE MOLE

THE MOLE. How Scientists Keep Track of Atoms. One way to measure how much substance available is to count the # of particles in that sample However, atoms & molecules are extremely small Also, the # of individual particles in even a small sample is very large

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What is the Mole?

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Chapter 10.1

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Chemical Warfare

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Introducing the mole

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The Mole

The Mole. Counting Really, Really Large Numbers of Really, Really Small Things. Unit 5 Chapter 8. In The Beginning. In 1811, an Italian teacher & scientist, Amedeo Avogadro (1776-1856) Proposed that equal volumes of gases were composed of identical numbers of particles. Poor Amedeo.

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The Mole

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Chapter 10 Section 1

Chapter 10 Section 1. Molar Mass. Molar Mass. The mass of 1 mole of a pure substance (Ex) mass of 1 mole of C-12 = mass of 6.02x10 23 C-12 atoms B. Numerically the same as the average atomic mass unit ( amu ) (Ex) mass of 1 carbon atom = 12.01 amu molar mass of C = _______ g

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The Mole

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