Indian National Chemistry Olympiad Theory 2011 Instructions for students • • Write your name and roll no. at the top of the first pages of all problems. This examination…

PowerPoint Presentation 1. How many pairs of electrons are shared in a molecule of O2? 2. How many electrons are shared in a molecule of N2?  3. Which formula represents…

Solutions and Mixtures Solutions Solutions are stable, homogeneous mixtures Particles are evenly distributed through the mixture Will not spontaneously separate There are…

* Vanessa N. Prasad-Permaul CHM 1046 Valencia Community College Introduction 1. A mixture is any intimate combination of two or more pure substances 2. Can be classified…

Slide 1© 2012 Pearson Education, Inc. Chemical Composition Stoichiometry Review Slide 2 © 2012 Pearson Education, Inc. a.3.01 mol b.1.81  10 47 mol c.1.00 mol d.0.500…