**Final Study Guide**

Fall 2015

Mark Cracolice

CHMY 141

Final Study Guide, Chem 141, Fall 2015 Chapter 1: How Do Scientists Use Algebra to Reason and Calculate? Algebra thought of as arithmetic in which letters are used to represent variables Variables quantities that may have different values, can appear in equations Equations represents a mathematical relationship among variables Direct Proportionality two variable quantities in which when one