CHEM 1030 Exam 1 -Auburn University WITH CORRECT SOLUTIONS 2023

CHEM 1030 Exam 1 -Auburn University WITH
CORRECT SOLUTIONS 2023

Reactants - ANSWER Written on the left side of the equation.

Products - ANSWER Written on the right side of the equation.

Coefficients - ANSWER Show the number of molecules of a given reactant or
product.

Combination Reaction - ANSWER A + B --> AB

Decomposition Reaction - ANSWER AB --> A + B

Single Replacement Reaction - ANSWER A + BC --> B + AC

Double Replacement Reaction - ANSWER AB + CD --> AD + CB

Oxidation - ANSWER The loss of electrons. The reducing agent loses electrons.

Reduction - ANSWER The gain of electrons. The oxidizing agent gains electrons.

LEO (the lion) says GER - ANSWER Lose Electrons = Oxidation
Gain Electrons = Reduction

Oxidation (Covalent Compounds) - ANSWER The gain of oxygen atoms or loss of
hydrogen atoms.

Reduction (Covalent Compounds) - ANSWER The loss of oxygen atoms or gain of
hydrogen atoms.

Mole (mol) - ANSWER amount of a substance containing 6.022 x 10^23 entities -
usually atoms, molecules, or ions.

Avogadro's Number - ANSWER Na = 6.022 x 10^23 entities/1 mole

Molar Mass (M) - ANSWER Mass per mole of entities (atoms, molecules, or
formula units).

Monatomic Elements - ANSWER Molar mass is the same as atomic mass in grams
per mole from the Periodic Table.

Molecules or Compounds - ANSWER Molar mass is the same as molecule mass or
formula mass in grams per mole from the Periodic Table.

Limiting Reagant (Reactant) - ANSWER Whichever reactant makes the least
amount of product.