CHEMISTRY HONORS

SEMESTERTWO FINAL EXAM REVIEW

CHAPTER 11: THE MOLE (all sections)

-know what a mole is equivalent to

-know how to do molar conversions

-know how to determine the molar mass of a compound

-know how to calculate the percent composition of a substance

-know what the empirical formula is of a compound and how to calculate it

-know how to calculate the molecular formula of a compound from its empirical formula

-know how to determine the empirical formula of a hydrate

CHAPTER 12: STOICHIOMETRY (all sections)

-stoichiometric conversions: grams → moles → moles → grams

-know how to determine the limiting reactant (reagent) in a chemical reaction

-know how to determine the reactant in excess (reagent) in a chemical reaction

-know how to determine the percent yield = actual yield x 100

theor. yield

CHAPTER 13: STATES OF MATTER (13.1, 13.2, 13.4)

-know the kinetic molecular theory (know postulates, pg. 385-386; also on pg. 419-420)

-know how to use Graham’s law of effusion

-know what pressure is (know units)

  • 1 atm = 760 mm Hg = 101.3 kPa = 14.7 PSI

-know how to use Dalton’s law of partial pressures

-know the intermolecular forces

  • 3 types of forces
  • their relative strengths
  • the types of compounds that use each

-know the six different phase changes (which are endothermic/which are exothermic)

-know how elevation affects atmospheric pressure

-know what vapor pressure is and how it relates to the boiling point of a liquid (pg. 406)

-know the phase diagram on pg. 409

CHAPTER 14: GASES (all sections)

-know the mathematical relationships of pressure, volume, temperature, and moles of a gas

-know Boyle’s Law (pg. 421), Charles’s Law (pg. 424) and Gay-Lussac’s Law (pg. 426)

-know the Combined Gas Law (pg. 428)

-know Avogadro’s Principle (pg. 430)

-know that a mole of a gas @ STP (0°C = 273 K & 1 atm) occupies 22.4 L of volume

-know the Ideal Gas Law (pg. 434) and how real gases differ from ideal gases

  • know how to solve for molar mass & density using the Ideal Gas Law

-know how to do gas stoichiometry problems (volume only & volume-mass calculations)

CHAPTER 15: SOLUTIONS (15.1, 15.2, 15.4)

-know what a solution is

-know what solvation is

-know the difference between solutions that are unsaturated, saturated, and supersaturated

-know the factors that affect solubility

-know Henry’s Law (pg. 460)

-know the following concentration ratios:

  • percent by mass (pg. 462)
  • percent by volume (pg. 462)
  • molarity (pg. 462)
  • using molarity & molar mass to prepare a molar solution
  • mole fraction (pg. 462)
  • parts per million (mg/kg or mg/L)
  • dilutions (V1M1 = V2M2)

CHAPTER 16: ENERGY AND CHEMICAL CHANGE (16.1 – 16.4)

-know the law of conservation of energy

-know heat units (joule, kilojoule, calorie, Calorie, kilocalorie)

-know what specific heat is

-know how to use the heat equation (pg. 493)

-know how to do calorimetry problems [m • c • ΔT = -(m • c • ΔT)]

-know what enthalpy is

  • what a positive ΔH means vs. a negative ΔH
  • how enthalpy can determine whether a reaction is endothermic or exothermic
  • know how to solve enthalpy of combustion problems
  • know how to solve enthalpy of phase change problems (fusion, vaporization)
  • know how to use Hess’s law of summation
  • know how to use standard enthalpies of formation to find the enthalpy of a reaction

CHAPTER 17:REACTION RATES (17.1 – 17.3)

-know how to calculate the average rate of a reaction if given data

-know the three postulates to the collision theory

-know what activation energy is

  • know both graphs on pg. 534

-know the five factors that affect reaction rates

-know what reaction rate law is

  • know how to determine a rate law given data
  • know what zero order, 1st order, and 2nd order mean in a reaction
  • know how to determine the overall order of a reaction
  • know how to solve for a rate constant

CHAPTER 18: CHEMICAL EQUILIBRIUM (all sections)

-know what equilibrium is

-know Le Chatelier’s Principle

-know equilibrium constant (Keq)

  • know how to properly set up an expression
  • know what it means when Keq > 1 vs. Keq < 1

CHAPTER 19: ACIDS, BASES (19.1, 19.2, 19.4)

-know the properties of acids & bases and examples of each

-know the Brønsted-Lowry model of acids & bases (pg. 598)

-know how to determine acids, bases, and their conjugates in a reaction in equilibrium

-know the difference between strong acids/bases vs. weak ones (know your “FOURTEEN”)

-know how to calculate the pH, pOH, [H+], and [OH-] of a strong acidic or basic solution

-know how to write the net ionic equation & determine spectator ions for reactions with acids & bases

-know how to solve neutralization problems (VAMA=VBMB)

-know what titration and why it is done

CHAPTER 20: REDOX REACTIONS (all sections)

-know the definitions of oxidation & reduction (“OIL RIG” OR “LEO SAYS GER”)

-know what the oxidizing and reducing agents are in a chemical reaction

-know how to determine the oxidation number of an element (rules on pg. 641)

-know how to identify half reactions from a balanced reaction