EXTENDED LEARNING INSTITUTE NORTHERN VIRGINIA COMMUNITY COLLEGE LABORATORY GUIDE CHM 111 College Chemistry I ELI HOTLINE: (703) 323-3347 V/TDD: (703) 323-3717 Version 1/02…

1. Indicators of chemical reactions Formation of a gas Emission of light or heat Formation of a precipitate Color change Emission of odor 2. All chemical reactions: have…

Lecture 1 Electronic Devices 1 ETU 07103 Lecture 1 Lecture 1 Electronic Devices 2 LECTURE 1 Coverage 1. Ìntroduction to electronic devices 2. Fundamentals of semiconductors…

1. Indicators of chemical reactions Emission of light or heat Formation of a gas Formation of a precipitate Color change Emission of odor 2. All chemical reactions: have…

1. Chapter 9 Nomenclature (naming stuff) 2. Seriously?! Chemical what?!Chemical Reactions are cool! A new substance with a new property will be made! 3. Monoatomic Ions…

1. Bellwork- Naming Salts NAME THE FOLLOWING NH 4 NO 3 NaF Na 2 SO 4 MgO WRITE THE FORMULA FOR Magnesium hydroxide Aluminum nitrate Potassium iodide 2. Carbon and oxygen…

Slide 11 Chapter 7 Chemical Reactions Slide 2 2 All chemical reactions l have two parts l Reactants - the substances you start with l Products- the substances you end up…

Slide 1Whats in a name? When two people use different names for the same thing, misunderstood words are apt to happen. The British and Americans often get confused. Slide…

Slide 1Slide 1 of 27 chemistry Slide 2 © Copyright Pearson Prentice Hall Slide 2 of 27 The Laws Governing Formulas and Names A birthday cake for a four- year-old has four…

Slide 1Chapter 9 Classifying Chemical Reactions Slide 2 Types of Reactions We will consider five types of reactions : 1.Single displacement reactions 2.Double displacement…