Study Guide Exam 2.pdf

Exam 2 Study Guide Chapter 4/5 – Introduction to Chemical Reactions - Definitions:  Law of Conservation of Matter:  Reactant:  Product:  Coefficient:  Stoichiometry:  Combination Reaction:...

Exam 2 Study Guide Chapter 4/5 – Introduction to Chemical Reactions - Definitions:  Law of Conservation of Matter:  Reactant:  Product:  Coefficient:  Stoichiometry:  Combination Reaction:  Decomposition Reaction:  Combustion Reaction:  Oxidation:  Reduction:  Oxidation of Organic/Covalent Compounds:  Reduction of Organic/Covalent Compounds: - Short Answer:  Be able to balance chemical equations.  Be able to classify reactions by type (combination, decomposition, combustion).  Be able to determine if an atom or molecule was oxidized or reduced in a Redox reaction. Chapter 5/6 – Quantities in Reactions - Definitions:  Moles:  Avogadro’s Number: - Short Answer:  Be able to calculate molar masses (molecular weight).  Be able to make mole-mole, mole-mass, mass-mole, and mass-mass conversions using chemical equations and molar masses. Chapter 6/7 – Energy and Chemical Processes - Definitions:  Law of Conservation of Energy:  Energy:  Heat:  Units for Heat:  Distinguish calories from Dietary Calories:  Specific Heat:  Phase Change:  Melting Point:  Boiling Point:  Isothermal:  Exothermic Reaction:  Endothermic Reaction: - Short Answer:  Be able to solve heat = m x c x ΔT equations given different parameters.  Be able to solve heat = m x ΔHvap/fus equations given different parameters.  Be able to determine if a reaction is endothermic or exothermic given a reaction equation or energy diagram.