CHEM H2A Chapter Notes - Chapter 8: Chemical Change, Reagent, Covalent Bond
Document Summary
Textbook: chemistry structure and properties by nivaldo j. tro. 8. 1 climate change and the combustion of fossil fuels (pg. 8. 2 chemical change: chemical change: atoms rearrange, transforming the original substances into different substances, physical changes: do not change matter"s composition. Ex: water boiling: chemical property: property that a substance displays only by changing its composition via a chemical change. Corrosiveness, flammability, acidity, toxicity: physical property: property that a substance displays without changing its composition. 8. 3 writing and balancing chemical equations: combustion reaction: particular type of chemical reaction in which a substance combines w/ oxygen to form one or more oxygen-containing compounds. Combustion of natural gas: ch4(g) + 2o2(g) --> co2(g) + 2h2o(g) (pg. 8. 5 limiting reactant, theoretical yield, and percent yield: limiting reactant: reactant that limits the amount of product in a chemical reaction. 8. 6 three examples of chemical reactions: combustion, alkali metals, and halogens: combustion reactions.
