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Honors General Chemistry is an advanced, fast-paced course designed for students with a strong background and keen interest in chemical sciences. This course covers fundamental principles of chemistry, including atomic and molecular structure, stoichiometry, thermochemistry, electronic structure, periodic trends, bonding, states of matter, kinetics, equilibrium, and acid-base chemistry. Emphasizing conceptual understanding and problem-solving skills, the curriculum integrates laboratory experiments, theoretical analysis, and practical applications. Students are encouraged to think critically and apply chemical principles to real-world scenarios, preparing them for further studies in science, medicine, or engineering.
Recommended Textbook
Chemistry The Molecular Nature of Matter and Change 7th Edition by Silberberg
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Q1) Which of the following is not an SI base unit?
A) meter
B) ampere
C) second
D) gram
E) kelvin
Answer: D
Q2) When applying the scientific method, a model or theory should be based on experimental data.
A)True
B)False
Answer: True
Q3) Which of the following is an extensive property of oxygen?
A) boiling point
B) temperature
C) average kinetic energy of molecules
D) density
E) mass
Answer: E
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Q1) All neutral atoms of tin have 50 protons and 50 electrons.
A)True
B)False
Answer: True
Q2) The molecular formula of a compound provides more information than its structural formula.
A)True
B)False
Answer: False
Q3) a. Give the names of the following ions:
(i) NH<sub>4</sub><sup>+</sup> (ii) SO<sub>3</sub><sup>2-</sup>
b. Write down the formulas of the following ions: (i) aluminum (ii) carbonate
Answer: a. (i) ammonium (ii) sulfite
b. (i) Al<sup>3+</sup> <sup> </sup>(ii) CO<sub>3</sub><sup>2-</sup>
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Q1) Propane, C<sub>3</sub>H<sub>8</sub>, is commonly provided as a bottled gas for use as a fuel. In 0.200 mol of propane
a. what is the mass of propane?
b. what mass of carbon is present?
c. how many molecules of C<sub>3</sub>H<sub>8</sub> are present?
d. how many hydrogen atoms are present?
Answer: a. 8.82 g
b. 7.21 g
c. 1.20 × 10<sup>23</sup> C<sub>3</sub>H<sub>8</sub> molecules
d. 9.64 × 10<sup>23</sup> H atoms
Q2) In 0.20 mole of phosphoric acid, H<sub>3</sub>PO<sub>4</sub>
a. how many H atoms are there?
b. what is the total number of atoms?
c. how many moles of O atoms are there?
Answer: a. 3.61 × 10<sup>23</sup> H atoms
b. 9.64 × 10<sup>23</sup> atoms
c. 4.82 × 10<sup>23</sup> O atoms
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Q1) A combination reaction may also be a displacement reaction.
A)True
B)False
Q2) Calculate the oxidation number of the chlorine in perchloric acid, HClO<sub>4</sub>, a strong oxidizing agent.
A) -1
B) +4
C) +5
D) +7
E) None of the above is the correct oxidation number.
Q3) Which one of the following ionic compounds is insoluble in water?
A) Na<sub>3</sub>PO<sub>4</sub>
B) AgNO<sub>3</sub>
C) NaCl
D) CaCO<sub>3</sub>
E) MgCl<sub>2</sub>
Q4) You are provided with a 250 mL volumetric flask, deionized water, and solid NaOH. How much NaOH should be weighed out in order to make 250. mL of 0.100 M solution?
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Q1) Starting from the Ideal Gas Equation, derive an equation corresponding to Charles's Law, stating all important assumptions or conditions.
Q2) "The total pressure in a mixture of unreacting gases is equal to the sum of the partial pressures of the individual gases" is a statement of __________________ Law.
A) Charles's B) Graham's C) Boyle's D) Avogadro's E) Dalton's
Q3) A 255-mL gas sample weighing 0.292 g is at 52810 Pa and 127°C.
a. How many moles of gas are present?
b. What is the molar mass of the gas?
Q4) Briefly state the conditions corresponding to STP (standard temperature and pressure).
Q5) Aluminum metal shavings (10.0 g) are placed in 100. mL of 6.00 M hydrochloric acid. What is the maximum volume of hydrogen, measured at STP, which can be produced? 2Al(s) + 6HCl(aq) \(\to\) 2AlCl<sub>3</sub>(aq) + 3H<sub>2</sub>(g)
Q6) State Avogadro's Law.
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Q1) Starting from equations relating pressure to force and force to work, derive the relationship w = - P\(\Delta\)V, explaining the steps in your argument.
Q2) For which one of the following reactions will \(\Delta\)H be approximately (or exactly) equal to \(\Delta\)E?
A) H<sub>2</sub>(g) + Br<sub>2</sub>(g) \(\to\) 2HBr(g)
B) H<sub>2</sub>O(l) \(\to\) H<sub>2</sub>O(g)
C) CaCO<sub>3</sub>(s) \(\to\) CaO(s) + CO<sub>2</sub>(g)
D) 2H(g) + O(g) \(\to\) H<sub>2</sub>O(l)
E) CH<sub>4</sub>(g) + 2O<sub>2</sub>(g) \(\to\) CO<sub>2</sub>(g) + 2H<sub>2</sub>O(l)
Q3) Which one of the following relationships is always correct?
A) potential energy + kinetic energy = constant
B) E = q + w
C) .\(\Delta\)E = \(\Delta\)H - P\(\Delta\)V
D) H = E + PV
E) .\(\Delta\)H = q<sub>v</sub>
Q4) For all processes, both q and \(\Delta\)E will have the same sign.
A)True
B)False

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Sample Questions
Q1) The following combinations of quantum numbers are not allowed.
Q2) Who was the first scientist to propose that the atom had a dense nucleus which occupied only a small fraction of the volume of the atom?
A) Planck
B) Bohr
C) Rydberg
D) Rutherford
E) Thomson
Q3) In not more than three lines for each answer, briefly outline one important scientific contribution of each of the following:
a. Planck
b. de Broglie
c. Heisenberg
Q4) a. Use Bohr's equation to calculate how much energy (in J) is needed to promote an electron from the H-atom ground state to the n = 4 level.
b. If a photon provides the energy in (a), what is its wavelength in nm?
Q5) What is the minimum uncertainty in the position of a neutron if the uncertainty in its speed is 0.0250 m/s?
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Q1) Define what is meant by ionization energy, and write a balanced chemical equation to represent the relevant process for element X.
Q2) Which of the following elements is paramagnetic?
A) Kr
B) Zn
C) Sr
D) V
E) Ar
Q3) Select the correct electron configuration for Te (Z = 52).
A) [Kr]5s<sup>2</sup>5p<sup>6</sup>4d<sup>8</sup>
B) [Kr]5s<sup>2</sup>5d<sup>10</sup>5p<sup>4</sup>
C) [Kr]5s<sup>2</sup>4d<sup>10</sup>5p<sup>6</sup>
D) [Kr]5s<sup>2</sup>4f<sup>14</sup>
E) [Kr]5s<sup>2</sup>4d<sup>10</sup>5p<sup>4</sup>
Q4) Moseley's measurements of nuclear charges of the elements provided the basis for arranging the elements of the periodic table in order of increasing atomic number.
A)True
B)False
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Sample Questions
Q1) The melting points of metals are only moderately high because A) metallic bonding is weak.
B) metals have fewer bonding electrons than non-metals.
C) metals also have relatively low boiling points.
D) the melting process does not break the metallic bonds.
E) metals prefer to be bonded to non-metals.
Q2) Using the bond energies provided below, calculate \(\Delta\)H° for the reaction CH<sub>4</sub>(g) + 4Cl<sub>2</sub>(g) \(\to\) CCl<sub>4</sub>(g) + 4HCl(g)
Bond energies: C-H = 413 kJ/mol, Cl-Cl = 243 kJ/mol, C-Cl = 339 kJ/mol, H-Cl = 427 kJ/mol
A) 1422 kJ
B) 440 kJ
C) 110 kJ
D) -110 kJ
E) - 440 kJ
Q3) The stronger the bonds in a fuel, the more energy it will yield.
A)True
B)False
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Q1) Which of the following molecules has a net dipole moment?
A) BeCl<sub>2</sub>
B) SF<sub>2</sub>
C) KrF<sub>2</sub>
D) CO<sub>2</sub>
E) CCl<sub>4</sub>
Q2) For the chlorate ion, ClO<sub>3</sub><sup>-</sup>, draw two different valid Lewis structures, as follows:
a. a structure in which the octet rule is obeyed
b. a structure in which formal charges are minimized
Q3) What is the molecular shape of BeH<sub>2 </sub>as predicted by the VSEPR theory?
A) linear
B) bent
C) angular
D) trigonal
E) none of the above
Q4) Name and outline the concept which is introduced when more than one valid Lewis structure can be drawn for a given molecule or ion. Use appropriate diagrams of the formate ion (HCO<sub>2</sub><sup>-</sup>, carbon is the central atom) to illustrate.
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Sample Questions
Q1) The angles between sp<sup>2</sup> hybrid orbitals are 109.5°.
A)True
B)False
Q2) According to valence bond theory, overlap of bonding orbitals of atoms will weaken a bond, due to electron-electron repulsion.
A)True
B)False
Q3) Which one, if any, of the following statements about the MO treatment of the bonding in benzene is correct?
A) MO theory uses resonance to describe the delocalized nature of the bonding in benzene.
B) The lowest energy pi-bonding orbital in benzene can hold up to 6 electrons.
C) MO theory predicts that benzene should be paramagnetic.
D) The lowest energy pi-bonding MO in benzene has two hexagonal lobes, above and below the plane of the carbon atoms.
E) None of the above statements is correct.
Q4) Overlap of two sp<sup>2</sup> hybrid orbitals produces a \(\pi\) bond.
A)True
B)False
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Q1) A temperature increase causes __________________ in the conductivity of a conductor.
A) a decrease
B) an increase
C) an increase or decrease (depending on the conductor)
D) a modulation
E) no change
Q2) Mercury melts at -39°C and boils at 357°C. Draw a diagram of the heating curve of mercury. Label all lines and axes, and clearly indicate the melting and boiling points on your diagram.
Q3) A metal with a body-centered cubic lattice will have ______ atom(s) per unit cell.
A) 1
B) 2
C) 3
D) 4
E) 9
Q4) How do the electrical properties of semiconductors differ from those of metals?
Q5) Use molecular orbital band diagrams to explain why metals are good conductors but semiconductors are not.
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Q1) Based only on the relative lattice energies of the compounds below, which one would be expected to have the lowest solubility in water?
A) NaBr
B) CaS
C) NaOH
D) KI
E) CsCl
Q2) What is the mole fraction of Ar in a mixture containing 10.1 g of Ne, 79.9 g of Ar, and 83.8 g of Kr?
A) 0.40
B) 0.25
C) 0.20
D) 0.14
E) 0.058
Q3) A 7.112 M solution of sulfuric acid (H<sub>2</sub>SO<sub>4</sub>) in water has a density of 1.395 g/mL. What is its molality?
Q4) List five important intermolecular forces that operate in globular proteins, and explain what parts of the molecule are involved in these forces.
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Q1) Phosphoric acid (H<sub>3</sub>PO<sub>4</sub>) is a strong acid.
A)True
B)False
Q2) Select the element with the lowest first ionization energy.
A) Se
B) S
C) Sn
D) Sr
E) H
Q3) Sulfuric acid is produced when sulfur dioxide dissolves in water.
A)True
B)False
Q4) Which element forms compounds which are involved in smog and acid rain?
A) carbon
B) fluorine
C) chlorine
D) boron
E) nitrogen

Page 16
Q5) Name the three different classes (types) of hydride, and list some of their important characteristics.
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Q1) Which of the following features do cyclohexene and 3-methyl-1-pentyne have in common?
A) same physical properties
B) same chemical properties
C) same boiling point
D) same molecular weight
E) same number of double bonds
Q2) Both alkenes and alkynes exhibit geometric (cis/trans) isomerism.
A)True
B)False
Q3) Excluding cyclic compounds, how many possible isomers exist for C<sub>4</sub>H<sub>8</sub>?
A) 2
B) 4
C) 5
D) 6
E) 7
Q4) All ketone molecules are capable of hydrogen bonding to other ketone molecules.
A)True
B)False
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Q1) Briefly outline the key arguments in the collision theory of reaction rates for the elementary reaction
C + D \(\to\) products
Show that this theory predicts a second-order rate law, and how it predicts the form of the rate constant k.
Q2) Chlorine atoms act as heterogeneous catalysts in the destruction of ozone in the stratosphere.
A)True
B)False
Q3) The rate law for the reaction 3A \(\to\) 2B is rate = k[A] with a rate constant of 0.0447 hr<sup>-1</sup>. What is the half-life of the reaction?
A) 0.0224 hr
B) 0.0645 hr
C) 15.5 hr
D) 22.4 hr
E) 44.7 hr
Q4) Briefly list the features/properties common to all catalysts and how they work. Draw a labeled reaction energy diagram as part of your answer.
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Q1) If all the reactants and products in an equilibrium reaction are in the gas phase, then K<sub>p</sub> = K<sub>c</sub>.
A)True
B)False
Q2) A chemical reaction has an equilibrium constant of 2 × 10<sup>6</sup>. If this reaction is at equilibrium, select the one correct conclusion that can be made about the reaction.
A) The forward and back reactions have stopped.
B) The limiting reactant has been used up.
C) The forward and reverse rate constants are equal.
D) The forward and reverse reaction rates are equal.
E) None of the above conclusions is correct.
Q3) In a chemical reaction, if the starting concentrations of reactants are increased, then the equilibrium constant K<sub>c</sub> will also increase.
A)True
B)False
Q4) For some gas-phase reactions, K<sub>p</sub> = K<sub>c</sub>.
A)True
B)False
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Q1) A solution of sodium acetate (CH<sub>3</sub>COONa) in water is weakly basic.
A)True
B)False
Q2) Ammonium chloride is used as an electrolyte in dry cells. Which of the following statements about a 0.10 M solution of NH<sub>4</sub>Cl, is correct?
A) The solution is weakly basic.
B) The solution is strongly basic.
C) The solution is neutral.
D) The solution is acidic.
E) The values for K<sub>a</sub> and K<sub>b</sub> for the species in solution must be known before a prediction can be made.
Q3) The ammonium ion, NH<sub>4</sub><sup>+</sup>, is a weak acid.
A)True B)False
Q4) All strong acids have weak conjugate bases.
A)True B)False
Q5) Describe what is meant by the "leveling effect". Use a real acid as an example, and write an appropriate equation.
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Q1) Which one of the following aqueous solutions, when mixed with an equal volume of 0.10 mol L<sup>-1</sup> aqueous NH<sub>3</sub>, will produce a buffer solution?
A) 0.10 mol L<sup>-1</sup> HCl
B) 0.20 mol L<sup>-1</sup> HCl
C) 0.10 mol L<sup>-1</sup> CH<sub>3</sub>COOH
D) 0.050 mol L<sup>-1</sup> NaOH
E) 0.20 mol L<sup>-1</sup> NH<sub>4</sub>Cl
Q2) Assuming that the total volume does not change after 0.200 g of KCl is added to 1.0 L of a saturated aqueous solution of AgCl, calculate the number of moles of Ag<sup>+</sup> ion in the solution after equilibrium has been reestablished. For AgCl, K<sub>sp</sub> = 1.8 × 10<sup>- 10</sup>.
A) 1.8 × 10<sup>-10</sup> mol Ag<sup>+</sup>
B) 9.0 × 10<sup>-10 </sup>mol Ag<sup>+</sup>
C) 9.0 × 10<sup>-9 </sup>mol Ag<sup>+</sup>
D) 6.7 × 10<sup>-8</sup><sup> </sup>mol Ag<sup>+</sup>
E) 1.3 × 10<sup>-5 </sup>mol Ag<sup>+</sup>
Q3) Make a clear distinction between buffer range and buffer capacity.
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Q1) Consider the reaction 11ec6d53_97e1_49fd_9cd1_030bf8888a28_TB5833_
If the concentrations of the Cu<sup>+</sup> and I<sup>-</sup> ions in equilibrium at 298 K are both equal to 1.03 × 10<sup>-6</sup> M, what is the value of \(\Delta\)G° for the reaction?
A) -68 kJ
B) 68 kJ
C) -30. kJ
D) 30 kJ
E) 34 kJ
Q2) For a process with \(\Delta\)S < 0, which one of the following statements is correct?
A) The process will definitely be spontaneous if \(\Delta\)H < 0.
B) The process will be definitely be spontaneous if \(\Delta\)H < T\(\Delta\)S.
C) The process can never be spontaneous.
D) The process will definitely be spontaneous, regardless of \(\Delta\)H.
E) The process will definitely be spontaneous if \(\Delta\)S<sub>surr</sub> > 0.
Q3) For the reaction of xenon and fluorine gases to form solid XeF<sub>4</sub>, \(\Delta\)H° = -251 kJ and \(\Delta\)G° = -121 kJ at 25°C. Calculate \(\Delta\)S° for the reaction.
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Q1) Electrolytic cells utilize electrical energy to drive non-spontaneous redox reactions.
A)True
B)False
Q2) A voltaic cell consists of an Au/Au<sup>3+</sup> electrode (E° = 1.50 V) and a Cu/Cu<sup>2+</sup> electrode (E° = 0.34 V). Calculate [Au<sup>3+</sup>] if [Cu<sup>2+</sup>] = 1.20 M and E<sub>cell</sub> = 1.13 V at 25°C.
A) 0.001 M
B) 0.002 M
C) 0.01 M
D) 0.02 M
E) 0.04 M
Q3) In the shorthand notation for cells, a double vertical line is used to separate the reduced and oxidized forms of a redox couple.
A)True
B)False
Q4) Electrons are produced at the cathode of a voltaic cell.
A)True
B)False

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Q1) Describe, and give reasons for, the fundamental bonding differences between transition metal sulfides and transition metal oxides.
Q2) What gas is produced during the Hall-Héroult process for production of aluminum?
A) chlorine, Cl<sub>2</sub>
B) oxygen, O<sub>2</sub>
C) hydrogen, H<sub>2</sub>
D) ammonia, NH<sub>3</sub>
E) carbon dioxide, CO<sub>2</sub>
Q3) Plants extract phosphate from the soil
A) by converting it to the dihydrogen phosphate ion by addition of acid to the soil near roots.
B) by converting it to phosphoric acid.
C) by osmosis.
D) by leaching.
E) by fixation.
Q4) What gas is produced at the anode in the Downs cell, in which molten NaCl is electrolyzed?
Q5) Give two important reasons why there is so much more Na<sup>+</sup> in the oceans than K<sup>+</sup>, despite their similar abundances in the earth's crust.
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Q1) What geometry is particularly common for complexes of d<sup>10</sup> metal ions?
Q2) A certain transition element has the stable oxidation states of +2, +3, +4, +5, and +6. In which state will the element be most likely to form a covalent bond with chlorine?
A) +2
B) +3
C) +4
D) +5
E) +6
Q3) Which of the following ions could exist in only the high-spin state in an octahedral complex?
A) Cr<sup>2+</sup>
B) Mn<sup>4+</sup>
C) Fe<sup>3+</sup>
D) Co<sup>3+</sup>
E) Ni<sup>2+</sup>
Q4) Valence Bond theory rationalizes octahedral geometry by assuming a d<sup>2</sup>sp<sup>3</sup> hybridization pattern.
A)True
B)False

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Q1) Bombardment of uranium-238 nuclei by carbon-12 nuclei produces californium-246 and neutrons. Write a complete, balanced equation for this nuclear process.
Q2) After 4 half-lives, the fraction of a radioactive isotope which still remains is approximately one-eighth.
A)True
B)False
Q3) Gamma rays are not deflected by an electric field.
A)True
B)False
Q4) A certain isotope has a specific activity of 7.29 × 10<sup>-4 </sup>Ci/g. How many \(\alpha\) particles will a 75.0 mg sample emit in one hour?
A) 9.99 × 10<sup>4</sup>
B) 2.02 × 10<sup>6</sup>
C) 7.28 × 10<sup>9</sup>
D) 1.29 × 10<sup>12</sup>
E) none of the above
Q5) Briefly, explain the relationship between the rad and the rem as units of radiation dosage.
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