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CHEM 1030 Exam 1 -Auburn University WITH CORRECT SOLUTIONS 2023
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CHEM 1030 Exam 1 -Auburn University WITH CORRECT SOLUTIONS 2023
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CHEM 1030 Exam 1 -Auburn University WITHCORRECT 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.
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