 Assigning numbers to the masses of chemical elements allowed chemistry to develop into a physical science and allowed for relationships between products.

Slides:

Advertisements

Similar presentations

How many moles of water will be produced when 8 grams of hydrogen gas react with the oxygen in the air? Episode 801.

Advertisements

Measuring amounts of substance.. Relative atomic mass The link between the mass of an molecule and the number of atoms it contains is the relative atomic.

Quantities in Chemistry The Relationship Between Mole and Molar Mass.

 What is the percent composition of N and O in NO 2 ?

The Mole Chapter 9 What is a mole? A mole of a substance is the amount of that substance which contains 6 x particles of that substance.

Converting between Moles, Mass and Number of Particles Number of Particles to Mass Chemistry 11 Ms. McGrath.

and cooking with chemicals

Aim: Using mole ratios in balanced chemical equations.

Chemistry Daily 10’s Week What is the study of the mass relationships of elements in compounds? a. reaction stoichiometry b. composition stoichiometry.

Chemistry Chemical Reactions – Rearranging Atoms.

Using Moles to Count Atoms

Mole. Stoichiometry The study of quantitative relationships between the amounts of reactants used and products formed by a chemical reactions; it is based.

Unit 2: Chemical Quantities SCH 4C. The Chemist’s Dozen  How many in a couple?  How many in a few?  How many in a dozen?  How many in a ream? 2 3.

Chemical Quantities The Mole: A Measurement of Matter

Chemical Measurements

Chapter 10 – The Mole The most important concept in chemistry.

3.2 Introducing the Mole: The Central Unit of Chemistry

Moles Objective: To practise calculations involving a mole of a substance.

Counting Atoms Chapter 9. MOLE?? Moles of Particles In one mole of a substance, there are 6 x particles.

The Mole. Atomic Mass Relative weight - the atomic mass unit (amu) is used to describe the mass of an atom relative to a carbon-12 isotope. 1mole of any.

Chemistry Warm Up: Mole / Mass / Particles 1.What is the mass of one mole of water? 2.If one milliliter of water has a mass of 1.00grams, how many moles.

Assignment 2 Avogadro’s Constant. Introduction Avogadro’s Constant, also called Avogadro’s number, represents the number of particles that make up one.

Chapter 10: Chemical Quantities Mrs. Mansberger The Mole.

Quantities in Chemistry

Chemists use the idea of the mole when comparing the number of particles of different substances.

The Mole Concept. Avogadro’s Number Avogadro’s Number (symbol N) is the number of atoms in grams of carbon. Its numerical value is 6.02 ×

Moles. In chemistry a mole is a quantity of atoms, just like a ream of paper is a quantity of sheets of paper A ream of paper is 500 sheets of Paper.

Learning Goal 3 : Determine the molar proportions of the reactants and products in a balanced chemical reaction.

Day 33 Notes (Chapter 7) Chemical Quantities (The Mole)

No Bell Ringer Today. We will have a test next Tuesday.

The Mole How We Count Atoms and Other Fundamental Particles.

RR: How many ways can you count to 100?. Do you know how to count? In chemistry, the unit that helps us count is the mole (mol). The mole represents

Molar Mass, Moles, and Molecules 7.3 Using Chemical Formulas.

Relating Mass to Numbers of Atoms The MOLE. Is the SI unit for amount of a substance Abbreviated as mol Amount of a substance that contains as many atoms.

Stoichiometry and cooking with chemicals.  Interpret a balanced equation in terms of moles, mass, and volume of gases.  Solve mole-mole problems given.

Moles and Avogadro’s Number Molar mass, Molecular weight.

UNIT 1 Living organisms Natural Science 2. Secondary Education DO YOU REMEMBER WHAT A CHEMICAL COMPOUND IS?

Mole = a fixed amount of substance, n = SI unit, mol = 6.02 x How many particles are in 3 moles, 0.5 moles and moles? How many moles are 6.02.

The Mole Learning Objectives: Explain the terms amount of substance, mole and the Avogadro constant. Define and use the term molar mass. Carry out calculations.

UNIT 5: THE MOLE AND AVOGADRO’S NUMBER Chemical Quantities.

Mole Conversions: Molecules to Atoms. Objectives You will be able to…  Distinguish molecules and atoms  Convert from moles of a compound to # atoms.

Miss Fogg Spring 2016  A particle can refer to an individual atom OR a type of molecule ◦ Jellybean ◦ Baseball ◦ Carbon atoms ◦ Hydrogen atoms ◦ Water.

RR: How many ways can you count to 100?. Do you know how to count? In chemistry, the unit that helps us count is the mole (mol). The mole represents

The Mole Concept and Avogadro's constant Topic 4.4.

IC5.1.4 Calculations © Oxford University Press Calculations.

Mathematics of Chemical Formulas

AP CHEMISTRY NOTES Ch 3 Stoichiometry.

The Mole: A Measurement of Matter

Aim: How to convert from particles to moles and vice versa

The Mole and its Conversions

Chemistry I Mole Review.

Chemical Reactions Unit

Moles Foothill Chemistry.

Avogadro’s number, the mole, molarity, molar mass

Using the Avagadro constant in calculations.

Molar Conversions.

Molar Conversions (p.80-85, )

Mole Conversions.

The Mole Concept.

Molar Conversions.

The Mole Concept.

The Mole Chapter 7-1.

Add to U7-3 Warm-Ups Ca3(PO4)2 1 mol 3 mol Ca 2 mol P 8 mol O

THE “MOLE” A Mole (mol) is a unit of measurement used for counting very small things (atoms, molecules, etc.) A mole of something is similar to a dozen.

Moles practice Q’s Ch 10 Pearson.

e.g. H2O. Mass of hydrogen = 1. Mass of oxygen = 16.

Presentation transcript:

 Assigning numbers to the masses of chemical elements allowed chemistry to develop into a physical science and allowed for relationships between products and reactants  One mole of a substance contains 6.02x 10^23 particles  This number is Avogadro’s constant

 How many molecules are there in 2g of hydrogen ?  8g of oxygen ?  Atoms in 36g of carbon ?  What is the mass of 4 mol. of hydrogen atoms?  1 mol. of methane molecules ?

 How many atoms are there in 30.97g of phosphorus ?  What is the mass (to 2 dec. places) of 1 mol. of magnesium hydroxide ?  What is the mass of mol. of caffeine, C8H902N4 ?  How many moles of ammonia are there in 28.08g