CHEM 1210 Chapter Notes - Chapter 3: Combustion Analysis, Unified Atomic Mass Unit, Molar Mass

• School: Ohio State University
• Department: Chemistry
• Course: CHEM 1210
• Professor: All

Document Summary

Stoich: the quantitave nature of chemical formulas and reactions: chemical equations. Give a description of a chemical reaction: reactants are on left, products on the right. Concise representations of chemical reactions: balancing equations. Key is to make sure that the law of conservation of mass is preserved. The same number of atoms of each element much equal on both sides of the arrow. The phases of the compound are in parentheses to the right of the compound. The coefficients in front of each chemical formula are adjusted so that the number of molecules of each reactant and product molecule conserve the mass of each atom. If the coefficient is 1, no number is written: simple patterns of chemical reactivity. Combination: two or more substances react to form one product. Decomposition: one substance breaks down into two or more simpler substances. Combustion reaction: generally rapid and produce a flame, generally involve hydrocarbons reacting with oxygen in air, formula weights.