Slide 1Orders of Magnitude and Units Slide 2 The mole: - The amount of a substance can be described using moles. - One mole of a substance has 6 x 10 23 molecules in it.…

1. How about such as tablespoon of sugar or a tablespoon of salt? How will you determine the number of particles in a tablespoon of salt? Is the number of particles in a…

Slide 1 Quantitative Chemistry SL Slide 2 SI Units Modern science is an international endeavour, more reliable system of standards of measure, the System International Units…

Slide 1 HYDROGENATION HETEROGENEOUS CATALYSIS Slide 2 CATALYTIC HYDROGENATION IS COVERED IN SEVERAL PLACES IN THE TEXT, PRINCIPALLY: Ch3 Section 3.18 Hydrogenation of Alkenes…

Slide 1 CHAPTER 10 The Mole Slide 2 Atomic Mass Atomic mass Atoms of different elements have different masses. Mass of a single atom is incredibly small so a special unit…

Slide 1 Notes #18 Section Assessment 10.3 Slide 2 The percent by mass of an element in a compound is the number of grams of the element divided by the mass in grams of the…

* STOICHIOMETRY * General Approach For Problem Solving 1. Clearly identify the Goal or Goals and the UNITS involved. (starting and ending unit) 2. Determine what is given…

Energy Changes You will learn about: Exothermic & Endothermic Reactions Energy level diagrams Bond Making and Breaking Calculating enthalpy change Activation energy Energy…

Stoichiometry Calculations based on chemical reactions Stoichiometry Stoichiometry is a Greek word that means using chemical reactions to calculate the amount of reactants…

The Mole Chemistry Warm Up (Back to CONVERSIONS!!!!) Convert the following: 5.5 dozen apples = _____ kg apples (1 dozen = 2.0 kg apples) 3 dozen apples = _____ bushel apples…