Unit 1 Measurement, Matter and Change



Unit 1 Measurement, Matter and Change

Part one: Scientific Measurement

1. Apply the rules of safety in the Chemistry laboratory

2. Distinguish between quantitative and qualitative measurements

3. Distinguish between precision and accuracy.

4. Distinguish between an observation and an inference

5. Write measurements in scientific notation

6. Identify the number of significant figures in a measurement.

7. Apply mathematical rules for significant figures to report measurements correctly.

8. List and define SI units of measurement. Also, know the prefixes used in Chemistry (Giga through nano)

9. Convert one measurement of unit to another using the factor label method.

10. Calculate and compare the densities of solid s, liquids and gases.

11. Graph experimental data (mass, volume) to determine the density and identify a pure substance.

12. Distinguish between an independent and dependent variable in an experiment and on an XY graph

13. Calculate the percent error of an experimentally determined measurement

Part Two: States of Matter

1. Characterize the three states of matter by their particle arrangement.

2. List the physical properties of the states of matter; identify physical changes of matter.

3. List the chemical properties of matter and be able to identify chemical changes in matter.

4. Compare and contrast physical and chemical changes in matter.

5. Determine the temperature of phase changes from warming/cooling curves

6. Classify matter as a pure substance (element or compound), or a mixture (homogenous and heterogeneous)

7. Distinguish between an element and a compound.

8. Distinguish between a homogenous and heterogeneous mixture.

9. Compare and contrast the methods of separating a mixture (filtration, distillation, - simple and fractional, chromatography) and decomposing a compound.

10. Distinguish the symbols of common elements, and match the names of common elements to their symbols.

11. State the Law of Conservation of Mass and Energy and explain their roles in chemical and physical changes.

12. Distinguish between exothermic and endothermic chemical and physical changes

Unit 2- The Mole and Chemical Equations

1. Identify reactants and products in a chemical reaction.

2. Balance chemical equations when given the formulas for all reactants and products in a chemical reaction.

3. Identify substances that are commonly measured by: count, mass, and volume.

4. Describe how Avogadro’s number is related to a mole of any substance.

5. Convert between number of particles and moles using the factor-label method.

6. Identify the diatomic molecules: Br, I, N Cl H O F (Brinklehoff)

7. Determine the atomic mass, molar mass, and formula mass of atoms and compounds.

8. Convert between moles and mass of a substance using the factor label method.

9. Convert between moles and volume of a gas using the volume of one mole of any gas @ STP (22.4 L).

10. Convert among measurements of mass, volume, and number of particles using the mole.

11. Determine the density of a gas @ STP.

Note: Should we save the percent comp, empirical and molecular formulas for stoich?

Unit 3- Phases of Matter

Part ONE: Defining the Physical States of Matter

1. Define kinetic and potential energy.

2. Describe the arrangement of particles in solids, liquids and gases in terms of particle motion (i.e. their kinetic energy)

3. Define intermolecular force. (IM Force)

4. Describe how particle organization (their kinetic energy and IM forces) distinguishes solids from liquids and gases.

5. Define temperature as a measure of the kinetic of particles.

6. Explain the high surface tension, the high specific heat, the high heat of vaporization, the high boiling point and the low vapor pressure using the concept of hydrogen bonding (the strongest IM force.)

Part TWO: Measuring Energy Changes When Matter Changes

1. Describe in words and with diagrams the changes that occur in melting, freezing, boiling and condensing.

2. Explain how heat is a form of energy and how heat changes accompany physical and chemical changes.

3. Distinguish between specific heat capacity and heat capacity and their SI units.

4. Describe heat changes in terms of a system and its surroundings.

5. Calculate the heat changes that accompany physical and chemical changes.

6. Measure and calculate energy changes using a calorimeter.

7. Construct equations that show the heat changes for physical and chemical processes.

8. Identify endothermic and exothermic changes by the heat energy term in a chemical equation.

Part THREE: Characteristics of Solids, Liquids, and Gases

1. Interpret a phase diagram of a substance at any given temperature and pressure.

2. Explain the vaporization of liquids using kinetic theory.

3. Describe what happens on a particle level at the boiling point of a liquid.

4. Determine the boiling point using a vapor pressure curve.

5. Compare and contrast the effect of intermolecular forces on the boiling point of substances using the data on a vapor pressure curve.

6. Define sublimation.

Unit 4- Atomic Structure and Nuclear Chemistry

1. Describe the five models in the historical development of modern atomic theory (Dalton, Thomson, Rutherford, Bohr, and Quantum Mechanical Model)

2. Distinguish among protons, neutrons, and electrons in terms of their relative masses, charges, and location with respect to the nucleus.

3. Infer the number of protons, neutrons, and electrons using the atomic number and mass number of an element from the periodic table and symbol notation.

4. Explain how isotopes of an element differ.

5. Explain why the atomic masses of elements are not whole numbers.

6. Calculate the average atomic mass of an element from isotope data.

7. Differentiate between an atom and an ion.

8. Determine ion charge given proton, neutron, and electron data.

9. Distinguish between isotopes and radioisotopes in terms of stability and radioactive decay.

10. Contrast the characteristics of alpha, beta, and gamma radiation during radioactive decay.

11. Use symbol notation for subatomic particles and particle radiation.

12. Write balanced nuclear equations for alpha and beta decay processes.

13. Compute the amount of radioisotope remaining at a given time using the half-life method.

14. Write equations to show how transuranium elements are synthesized by transmutation.

15. Distinguish between artificial and natural transmutation.

16. Write balanced nuclear equations for artificial transmutation.

17. Compare and contrast nuclear fusion and nuclear fission.

18. Calculate the energy released during a nuclear reaction using E = mc2

19. Contrast the simple nuclear fission chain reaction to those used in the “fission bombs” of World War II: what led to the development of the fission bombs; who was involved?

20. Compare simple nuclear fission with the controlled fission reactions that used to generate energy in a nuclear reactor.

21. Is nuclear energy a viable alternative to fossil fuel energy? What are the real and imagined dangers of a nuclear reactor? We’ll determine the human elements of those reactor accidents that have occurred, look @ how they could have been avoided, and appreciate their effects on society.

22. What is the future of nuclear power as an alternative fuel source?

Unit 5: Electrons and the Periodic Table

1. Explain the atomic emission spectrum of an atom using Bohr’s model of the atom.

2. Use flame tests to identify transition metal elements. Explain flame test emissions in terms of electron behavior.

3. Calculate the frequency and wavelength of electromagnetic radiation. (EMR)

4. Calculate the energy of a photon associated with a given wavelength or frequency of EMR. Describe the properties of the different types of EMR.

5. Calculate the frequency and wavelength of light emitted for a specific energy level transition in the hydrogen atom. Identify which electron transitions produce emission spectra lines in the Balmer, Lyman, and Paschen series.

6. Describe the Quantum Mechanical Model of the atom. Apply the Aufbau Principle, the Pauli Exclusion Principle, and Hund’s Rule to write electron configurations and orbital diagrams of elements.

7. Identify the information provided by the four quantum numbers and determine the four unique quantum numbers for a given electron.

8. Describe the origins of the modern periodic table. Describe the organization of the periodic table (periods, groups, periodic law), and categorize the elements as noble gases, transition metals, inner transition metals, and representative elements (halogens, alkali metals, alkaline earth metals).

9. Contrast the physical and chemical properties of metals, non-metals and metalloids. Also, one should be able to locate them on the periodic table.

10. Explain the relationship between the electron configuration of an element, its position on the periodic table, and its chemical properties.

11. State the trends of properties of elements within periods and groups of the Periodic Table. Interpret the trend shown by atomic radii, ionic radius, electronegativities, electron affinity, and 1st, 2nd, and 3rd ionization energies within the Periodic Table, including exceptions.

12. Determine the number of number of valence electrons and/or predict the stable ion formation by a representative element, using the periodic table. Use the periodic table to predict the charge of the ion formed by a representative element and write Lewis Dot structures for atoms and ions.

Unit 5B- Bonding

1. Describe the formation of a cation from an atom of a metallic element, using the octet rule and the importance of noble-gas electron configurations.

2. Describe the formation of an anion from an atom of a nonmetallic element.

3. List the characteristics of an ionic bond and explain the electrical conductivity of melted and of aqueous solutions of ionic compounds.

4. Explain the physical properties of metals using the theory of metallic bonding.

5. Describe the formation of a covalent bond between two nonmetallic elements.

6. Describe double and triple covalent bonds and draw Lewis structures to represent covalent bond structures containing single, double, and triple bonds. Also, be able to draw Lewis Dot structures for exceptions to the octet rule.

7. Explain the formation of a coordinate covalent bond.

8. Explain the modern interpretation of resonance bonding.

9. Describe the molecular orbital theory of covalent bonding, including sigma and pi bonding.

10. Predict the shape, polarity and bond angles of molecules (VSEPR theory).

11. Describe the shape of simple molecules using orbital hybridization.

12. Identify bonds as ionic, polar covalent, non-polar covalent using Electronegativity values.

13. Identify examples, structure and properties of polar and non-polar molecules

14. Define bond dissociation energy.

15. Identify properties of molecular substances.

16. Identify an organic compound’s functional group. (Alcohols, esters, ethers, aldehydes, ketones, carboxylic acids). Be able to draw their structures as well.

17. Explain physical property differences in a class of organic compounds based on their molecular structure.

18. Describe the characteristics of the formation of a polymer.

19. Classify hydrocarbons as alkanes, alkenes, alkynes or aromatic and give examples of each. Be able to draw these structures as well.

Unit 6- Nomenclature

1. Distinguish among atoms, molecules and formula units.

2. Distinguish between ionic and molecular compounds.

3. Write chemical formulas and names of binary molecular compounds using Greek prefixes.

4. Explain how a compound obeys the Law of Definite Proportions.

5. Explain how two different compounds composed of the same elements obey the Law of Multiple Proportions.

6. Distinguish between an ion and a polyatomic ion.

7. Memorize the names, formulas, and charges of the common polyatomic ions.

8. Memorize the charges of common monoatomic ions.

9. Write chemical formulas for binary ionic compounds.

10. Name binary ionic compounds when given the chemical formula.

11. Identify by name and write the chemical formulas for ternary ionic compounds (with polyatomic ions).

12. Use the stock naming system (roman numerals) for naming ionic compounds when appropriate.

13. Identify by name and write formulas for common acids.

15. Name hydrocarbons using the IUPAC system and write the structural formula given its name.

16. Name simple functional group compounds using the IUPAC system.

Unit 7- Chemical Reaction Types

1. Write word equations from chemical equations and vice versa.

2. Distinguish between these five types of reactions: combination, decomposition, single replacement, double replacement, and combustion of hydrocarbons.

3. Predict the products and balance simple combination and decomposition reactions, including reactions of carbonates, chlorates, hydrogen peroxide and water.

4. Predict the products and balance single replacement reactions using activity series of metals.

5. Predict the products, identify the precipitate, and balance double replacement reactions using memorized solubility rules and gaseous decomposition products.

6. Predict the products and balance combustion reactions for hydrocarbons.

7. Identify the oxidizing and reducing agent in a redox reaction and give the characteristics of a redox reaction.

8. Compute the oxidation number of an atom of any element in a pure substance.

9. Define oxidation and reduction in terms of a change in oxidation number and identify atoms being oxidized or reduced in redox reactions.

10. Distinguish between redox and nonredox reactions.

11. Describe the characteristics of a substitution reaction.

12. Describe esterifiaction.

13. Describe reactions of esters and define saponification.

14. List the structures that are products of an addition reaction.

Unit 8- Acids and Bases Fundamentals

1. List the general properties of aqueous acids and bases.

2. Explain the difference between strong acid and bases and weak acids and bases and give examples.

3. Define and give examples of Arrhenius acids and bases.

4. Classify substances as acids or bases, and identify conjugate acid-base pairs in acid-base reactions using the Bronsted-Lowry Theory.

5. Explain why proton-transfer reactions favor the production of the weaker acid and the weaker base.

6. Define an amphoteric substance and give examples.

7. Classify a solution as neutral, acidic, or basic, given the hydronium-ion or hydroxide-ion concentration.

8. Calculate the pH or pOH of a solution given the hydronium-ion or hydroxide-ion concentration.

9. Calculate the hydronium-ion or hydroxide-ion concentration given the pH or pOH.

10. Define acid anhydride and basic anhydride and give examples.

11. Write equations for the reactions of acid anhydrides with water.

12. Write equations for the reaction of base anhydrides with water.

13. Classify substances as Lewis acids or bases.

14. Explain how the formation of Acid Rain occurs. Also, explain the environmental implications of this phenomenon and possible solutions to this issue.

Unit 9- Stoichiometry

1. Calculate the percent composition by mass of a substance from its chemical formula or experimental data.

2. Derive the empirical formula of a compound from experimental data or percent composition data.

3. Derive the molecular formula of a compound from experimental data.

4. Construct mole ratios from balanced chemical equations.

5. Calculate stoichiometric quantities, using the factor-label method, from balanced chemical equations using units of moles, mass, number of particles, and volumes of gases @ STP.

6. Identify the limiting reagent in a chemical reaction and use it to calculate stoichiometric quantities and the amount of excess reagents.

7. Calculate the theoretical yield and percent yield for a given chemical reaction using experimental data.

Unit 10- Gas Laws

1. Describe the motion of particles of a gas according to the kinetic theory.

2. Explain gas pressure in terms of the kinetic theory.

3. Describe the design and function of a thermometer.

4. Describe the design and function of a barometer.

5. Read an open-ended and close-ended manometer to determine the pressure of a gas sample.

6. Define the temperature of a substance as a measure of the kinetic energy of the particles in the substance.

7. Boyle’s Law:

A) Calculate the pressure or volume from the pressure-volume relationship of a contained gas at constant temperature.

8. The Gay-Lusaac Law:

A) Calculate the temperature or pressure from the temperature-pressure relationship of a contained gas at constant volume.

9. The Combined Gas Law:

A) Calculate pressure, volume, or temperature from the pressure-volume-temperature relationship of a contained gas.

B) Calculate the amount of gas at any specified conditions of pressure, volume, and temperature.

10. Describe the Ideal Gas Law: PV = nRT. Calculate pressure, temperature, volume, moles, grams, or molecules using the Ideal Gas Law/

11. Using the Ideal Gas Law:

A. Calculate the molar mass or density of a gas.

B. Calculate the amount of gas at any specified conditions of pressure, volume, and temperature.

12. Calculate the total pressure of a mixture of gases or the partial pressure of a gas in a mixture of gases

13. Explain Avogadro’s hypothesis using the kinetic theory.

14. Explain, using kinetic theory, why molecular of small mass diffuse more rapidly than molecules of large mass.

15. Use a chemical equation to specify volume ratios for gaseous reactants and/or products.

16. Use volume ratios, standard molar volume, and the gas laws where appropriate to calculate volumes, masses or molar amounts of reactants involving gases.

17. Distinguish between real and ideal gases.

18. Explain why no gas behaves as an ideal gas at all temperatures and pressures.

19. Describe and analyze the set up for the preparation of different gases as well as test for H2, O2, and CO2.

20. Be able to calculate rates of diffusion and effusion of gases using Graham’s Law.

Unit 11- Solutions and Thermodynamics

Part ONE: Solutions

1. Define the terms solution, aqueous solution, solute and solvent and give an example of each.

2. Describe the role of solvation in the dissolving process and use the rule “ like dissolves like” to predict solubility of one substance in another.

3. Distinguish colloids and suspensions from solutions by discussing their properties.

4. List three factors that determine how fast a soluble substance dissolves.

5. Explain the difference among saturated, unsaturated, and supersaturated solutions.

6. Apply information provided by a solubility curve.

7. Calculate the molarity of a solution (Review from Unit 2).

8. Determine the number of moles or grams of solute given a molar solution.

9. Prepare dilute solutions of given concentrations from concentrated solutions of known molarity using appropriate calculations.

10. Calculate percent by mass, and percent by volume for solutions.

11. What are colligative properties? Explain on a particle basis why a solution has a lower vapor pressure, an elevated boiling point, and a depressed freezing point than the pure solvent of that solution.

12. Be able to calculate molality and mole fraction of a solution.

13. Calculate the freezing point depression and boiling point elevation of aqueous solutions.

14. Calculate molecular mass of an unknown from experimental freezing point depression or boiling point elevation measurements.

Part TWO: Thermodynamics

1. Calculate the enthalpy change for a reaction for varying amounts of a reactant.

2. Write a balanced standard formation reaction for a compound.

3. Review calculations for heats of physical change of substances

4. Define Heat of Solution.

5. Apply Hess’s Law of Summation to find heat changes for chemical and physical processes.

6. Apply Standard Heats of Formation ((Hf) to find enthalpy changes for chemical and physical processes.

7. Apply average bond energies to find enthalpy changes for chemical and physical processes.

8. Define free energy.

9. Contrast spontaneous and non-spontaneous reactions.

10.Be able to draw potential energy graphs to signify exothermic and endothermic processes.

11. Show how changes in entropy relate to a change of state, a change in temperature, and a change in the number of product particles compare with reactant particles.

12. Apply Standard Entropy values ((So ) to calculate the entropy change of chemical and physical processes.

13. Apply Gibbs Free Energy Equation to explain how changes in enthalpy and entropy influence the spontaneity of a reaction.

Unit 12- Kinetics, Equilibrium and Advanced Acid/Base Chemistry

1. Interpret and express the meaning of the rate of a chemical reaction.

2. Explain how the rate of a chemical reaction is influenced by the temperature, concentration, particle size of the reactants, and catalysts using collision theory.

3. Define a reaction mechanism.

4. Explain how the rate-determining step of the reaction mechanism affects the overall rate of the reaction.

5. Write the rate law fro a reaction given experimental data.

6. Define chemical equilibrium in terms of a reversible reaction.

7. Explain the process of reaching equilibrium.

8. Identify chemical reactions that go to equilibrium and those that go to completion.

9.Explain the nature of the equilibrium constant.

10. Write an equilibrium constant expression for a reaction and complete its value from experimental data.

11. Determine initial and final equilibrium concentrations for any reaction at equilibrium.

12. Predict changes in the equilibrium position due to changes in concentration, temperature, and pressure using Le Chatelier’s principle.

13. Calculate ion concentrations of slightly soluble salts using the solubility product constant.

14. Explain the common-ion effect using Le Chatelier’s principle.

15. Calculate an acid dissociation constant Ka, and a base dissociation constant, Kb, from concentration and pH measurements of weak acids and bases.

16. Chose the best indicator for a given acid-base titration.

17. Describe the process of salt hydrolysis and calculate the pH of a salt solution.

18. Define a buffer and, using equations, show how a buffer system works.

19. Use the Henderson-Hasselbach Equation to calculate pH of a buffer system.

Unit 13- Electrochemistry

1. Apply the oxidation-number change method to balance redox reactions

2. Apply the half-reaction method to balance redox equations.

3. Describe the production of electric current in an electrochemical (galvanic) cell.

4. Explain a voltaic cell using a sketch and labeling he anode, cathode, and direction of electron and ion flow.

5. Identify the chemical reactions in an electrochemical (galvanic) cell.

6. Define cell potential and describe how it is determined.

7. Define the standard electrode potential of an electrode.

8. Compute the standard emf of a cell using standard electrode potentials.

9. Distinguish between a voltaic and an electrolytic cell. List some examples of each.

10. Describe the chemical reactions in an electrolytic cell.

11. Explain an electrolytic cell using a sketch and labeling the anode, cathode, electric charges on electrodes, and direction of electron and ion flow.

12. Identify the chemical reactions in an electrolytic cell.

13. Explain the process of corrosion.

14. Describe how commercial cells produce an electric current.

15. Calculate the amount of product in an electrolytic cell based on the current (amperes) or charge (coulomb, Faraday) involved.

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