Final Exam Review FINAL EXAM Monday Dec 12th 2 30 PM The usual rules apply Bring an approved calculator you will get a clean periodic table and equation sheet no cheating The final is CUMULATIVE Expect about half of the questions to be Exams 1 3 and half the new material The final is longer than the three previous exams There are 40 questions and you have more time If you are still here you have probably done well on the other three exams I am confident you will do well again CH110 FA11 SAS 1 Exam 1 Concepts You Should Know Chapter 2 Nomenclature What do the numbers on the periodic table mean How do we name common ions acids etc Chapter 3 Chemical Formulas What is mass percent What is a mole What is molecular weight What are the empirical formula and the molecular formula of a compound Chapter 6 Energy Atoms Orbitals and the Origins of the Periodic Table What is the relationship between photons their wavelength their frequency and their energy How does all that stuff about photons help chemists to understand the nature of atoms What is an orbital How is it defined What is the electron configuration of an atom How do I represent it How do the shape size and number of orbitals help me to understand the periodic table CH110 FA11 SAS 2 Exam 1 Concepts You Should Know Chapter 7 Periodic Trends What are ionization energy electron affinity and electronegativity What are the trends in atomic size How are the sizes of atoms and ions related How do these show up in the periodic table Chapter 8 Bonding and Lewis Structures What are the three types of bonding How do we describe bonding in ionic solids How is covalent bonding described in terms of enthalpy strength bond order etc What is a Lewis structure What do we learn about a molecule when we see that it has more than one Lewis structure How do you use the octet rule and its violations to help predict Lewis structures CH110 FA11 SAS 3 Exam 1 Practice Problem The following substances are fertilizers that contribute nitrogen to the soil urea NH2 2CO ammonium nitrate ammonium sulfate CH110 FA11 SAS 4 Exam 1 Practice Problem Which one of the following could not be an electron configuration for vanadium V CH110 FA11 SAS 5 Exam 1 Practice Problem Which of the following compounds would have the largest lattice energy CH110 FA11 SAS 6 Exam 2 Concepts You Should Know Chapter 3 Chemical Formulas Again How do we determine the composition of a compound from the various chemical formulas What is combustion analysis Chapter 25 Organic Molecules What are the properties of hydrocarbons What do the functional groups we learned about look like and how do they affect properties Chapter 9 Bonding and Geometry What are the shapes of the electron domain and molecular geometries we have studied What is molecular polarity and how is it determined by shape What are sigma and pi bonds How do hybrid orbitals relate to molecular shape and bond angles Chapter 11 Intermolecular Forces What are the IMFs we have learned about How do IMFs impact boiling and melting points CH110 FA11 SAS 7 Exam 2 Practice Problem The labeled carbon in the molecule below has what type of hybrid orbitals CH110 FA11 SAS 8 Exam 2 Practice Problem Which one of the following has the strongest intermolecular forces CH110 FA11 SAS 9 Exam 3 Concepts You Should Know Chapter 10 Gases What are the properties of ideal gases What is the partial pressure of a gas in a mixture How does kinetic molecular theory connect the microscopic properties of gases with observables How are real gases different from ideal gases Chapter 18 Atmospheric Chemistry What reactions occur in the atmosphere How do Chem 110 concepts show up in the atmosphere and environment Chapter 11 Intermolecular Forces What is heat capacity What are the properties of liquids How do you use phase diagrams Chapter 13 Aqueous Solutions What are electrolytes and how do we calculate the concentration of chemicals in solution What is meant by solubility and saturation What are colligative properties CH110 FA11 SAS 10 Exam 3 Practice Problem An unlabelled 2 L canister is found in a laboratory The gas inside is expanded to a total volume of 10 L where its final temperature is 21oC pressure 2 1 atm and its density is measured to be 3 48 g L CH110 FA11 SAS 11 Exam 3 Practice Problem CH110 FA11 SAS 12 Exam 3 Practice Problem Rank these aqueous solutions in order of increasing freezing point CH110 FA11 SAS 13 Final Concepts You Should Know Chapter 3 Chemical Equations How do I balance a chemical equation What is the percent yield of a reaction Chapter 4 Chemical Reactions What are precipitation reactions What are metathesis reactions What are redox reactions in particular and what are oxidation numbers What are net ionic equations and spectator ions Chapter 5 Thermochemistry What is enthalpy and the enthalpy of a reaction What is heat of formation How do bond enthalpies relate to both of these What is Hess s Law Chapter 15 Chemical Equilibrium What is an equilibrium constant How do you use an ICE table to calculate equilibrium constants or concentrations What is LeCh tlier s principle CH110 FA11 SAS 14 Final Practice Problem A solution of silver nitrate and sodium chloride are mixed CH110 FA11 SAS 15 Final Practice Problem What is H for the combustion of 11 42 g of methanol CH110 FA11 SAS 16 Final Practice Problem When an Alka Seltzer tablet dissolves in water the following reaction between sodium bicarbonate and citric acid occurs 3 NaHCO3 aq H3C6H5O7 aq 3 CO2 g 3 H2O l Na3C6H5O7 aq CH110 FA11 SAS 17 Final Practice Problem Consider the following reaction at equilibrium 2 NH3 g N2 g 3H2 g Ho 92 4 kJ CH110 FA11 SAS 18 Final Practice Problem The following reaction is allowed to reach equilibrium in a 50 L vessel at 900oC CaCO3 s CaO s CO2 g CH110 FA11 SAS 19
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