Survey of Chemistry
Chapter Exam Questions
Course Introduction
Survey of Chemistry provides a comprehensive overview of the fundamental principles and concepts in chemistry, designed for students with diverse academic backgrounds. The course covers topics such as atomic and molecular structure, chemical bonding, stoichiometry, states of matter, solutions, chemical reactions, thermochemistry, and basic concepts of organic and biochemistry. Emphasis is placed on the practical applications of chemistry in everyday life, environmental issues, and health-related fields. The course combines theoretical knowledge with hands-on laboratory experiences to develop critical thinking and problem-solving skills essential for various scientific disciplines.
Recommended Textbook
Introductory Chemistry 5th Edition by Nivaldo J. Tro
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Chapter 1: The Chemical World
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Sample Questions
Q1) If experimental results contradict a hypothesis,the hypothesis must be either revised or discarded.
A)True
B)False
Answer: True
Q2) The definition of a scientific law is:
A)the same as a hypothesis.
B)a way of learning that emphasizes observation and experimentation.
C)the underlying reason for a scientific theory.
D)a number of similar observations generalized into a brief statement summarizing past observations and predicting new ones.
E)none of the above
Answer: D
Q3) The phlogiston theory of combustion is still considered correct today.
A)True
B)False
Answer: False
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Chapter 2: Measurement and Problem Solving
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Sample Questions
Q1) How many cm<sup>3</sup> are there in 1.25 ft<sup>3</sup>?
A)38.1
B)5.49 × 10<sup>3</sup>
C)246
D)3.54 × 10<sup>4</sup>
E)none of the above
Answer: D
Q2) How many significant digits should be reported in the answer to the following calculation?
(4.3 - 3.7)× 12.3 = A)1
B)2
C)3
D)4
E)none of the above
Answer: A
Q3) A nine gigagram mass is heavier than a nine nanogram mass. A)True
B)False
Answer: True
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Chapter 3: Matter and Energy
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Sample Questions
Q1) Which of the following statements about energy is FALSE?
A)An object possessing energy can do work on another object.
B)Energy can neither be created nor destroyed.
C)Energy is the single main component of the universe.
D)Energy is the capacity to do work.
E)All of the above statements are true.
Answer: C
Q2) The temperature of 0°F is colder than the temperature of 0°C.
A)True
B)False
Answer: True
Q3) Temperature is defined as the transfer of thermal energy caused by a temperature difference.
A)True
B)False
Answer: False
Q4) Sugar is a pure substance.
A)True
B)False
Answer: True
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Chapter 4: Atoms and Elements
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Sample Questions
Q1) What is the mass number of the hydrogen isotope that contains 2 neutrons?
A)1
B)2
C)3
D)4
E)none of the above
Q2) Halogens form anions with a 1- charge.
A)True
B)False
Q3) Which one of the following is a main-group element?
A)Ce
B)Co
C)Cu
D)Cs
E)none of the above
Q4) An atom containing 8 protons,9 neutrons,and 8 electrons would be considered charge-neutral.
A)True
B)False
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Chapter 5: Molecules and Compounds
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Sample Questions
Q1) The correct formula for calcium fluoride is CaF<sub>3</sub>.
A)True
B)False
Q2) SO<sub>2</sub> is an ionic compound.
A)True
B)False
Q3) A compound has a formula mass of 61.98 amu and is comprised of atoms of sodium and oxygen in a definite ratio.The name of the compound described here is:
A)sodium monoxide.
B)disodium oxide.
C)sodium oxide.
D)sodium dioxide.
E)none of the above
Q4) The charge of a vanadium ion in the compound V<sub>2</sub>O<sub>5</sub> is:
A)5+
B)2+
C)10+
D)10-
E)none of the above
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Chapter 6: Chemical Composition
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Sample Questions
Q1) What is the molecular formula of a compound given the molar mass of the compound is 30.04 gram and the empirical formula is NH?
A)NH
B)N<sub>2</sub>H<sub>2</sub>
C)N<sub>2</sub>H<sub>6</sub>
D)N<sub>4</sub>H<sub>4</sub>
E)none of the above
Q2) The mole has a value of 6.023 × 10<sup>22</sup>.
A)True
B)False
Q3) Determine the empirical formula of a compound containing 60.3% magnesium and 39.7% oxygen.
A)MgO
B)MgO<sub>2</sub>
C)Mg<sub>2</sub>O<sub>3</sub>
D)Mg<sub>2</sub>O
E)none of the above
Q4) Avogadro's Number is 6.022 × 10<sup>23</sup>.
A)True
B)False
Page 8
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Chapter 7: Chemical Reactions
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Sample Questions
Q1) The formation of a new solid or gas is evidence of a chemical reaction.
A)True
B)False
Q2) When a solution of MgCl<sub>2</sub> and one of AgNO<sub>3</sub> are mixed,the net ionic equation is:
A)Mg<sup>2+</sup>(aq)+ 2Cl<sup>-</sup>(aq)+ 2Ag<sup>+</sup>(aq)+ 2NO<sub>3</sub><sup>- </sup>(aq) Mg<sup>2+</sup>(aq)+ 2NO<sub>3</sub><sup>-</sup>aq)+ 2AgCl(s)
B)Mg<sup>2+</sup>(aq)+ 2Cl<sup>-</sup>(aq)+ 2Ag<sup>+</sup>(aq)+ 2NO<sub>3</sub><sup>- </sup>(aq) Mg(NO<sub>3</sub>)<sub>2</sub> (aq)+ 2 AgCl(s)
C)Mg<sup>2+</sup>(aq)+ 2NO<sub>3</sub><sup>-</sup>(aq) Mg(NO<sub>3</sub>)<sub>2</sub>(aq)
D)Cl<sup>-</sup>(aq)+ Ag<sup>+</sup>(aq) AgCl(s) E)none of the above
Q3) An aqueous solution is a homogeneous mixture of a substance with water and should be designated with the (l)abbreviation.
A)True
B)False
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Chapter 8: Quantities in Chemical Reactions
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Sample Questions
Q1) For the following reaction you have 8 grams of hydrogen and 2 grams of oxygen. 2H<sub>2</sub> + O<sub>2</sub> 2H<sub>2</sub>O
The theoretical yield of the reaction is 4 grams of water.
A)True
B)False
Q2) If the theoretical yield of a reaction is 42.0 grams of product and the percent yield is 75%.How many grams were actually produced?
A)5400
B)56
C)32
D)1.8
E)none of the above
Q3) Greenhouse gases affect the temperature of the earth by blocking sunlight from reaching earth.
A)True
B)False
Q4) Stoichiometry is a chemist's version of following a recipe.
A)True
B)False
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Chapter 9: Electrons in Atoms and the Periodic Table
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Sample Questions
Q1) Which among the following statements is TRUE?
A)The wavelength of light is inversely related to its energy.
B)As the energy increases,the frequency of radiation decreases.
C)As the wavelength increases,the frequency also increases.
D)Red light has a shorter wavelength than violet light.
E)none of the above
Q2) Which subshell letter corresponds to a 4-leaf clover orbital pattern?
A)s
B)p
C)d
D)f
E)not enough information
Q3) Which color of visible light has a wavelength in between that of blue and violet light?
A)green
B)yellow
C)red
D)indigo
E)none of the above
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Chapter 10: Chemical Bonding
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Sample Questions
Q1) The sulfate ion contains 28 valence electrons.
A)True
B)False
Q2) How many bonding electrons are in the Lewis structure of carbon monoxide,CO?
A)2
B)3
C)4
D)6
E)none of the above
Q3) The total number of electrons to be counted for the Lewis structure of the PO<sub>4</sub><sup>3-</sup> polyatomic ion is:
A)8.
B)26.
C)29.
D)32.
E)none of the above
Q4) Lewis theory predicts that the formula for a compound made of aluminum and phosphorus is AlP.
A)True
B)False
Page 12
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Chapter 11: Gases
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Sample Questions
Q1) One mole of F<sub>2</sub> gas at STP would take up twice the volume of one mole of Ar gas at STP.
A)True
B)False
Q2) If some argon gas at 400 mm Hg pressure is forced into a gas cylinder that already contained only neon gas at 400 mm Hg pressure,the total pressure in the cylinder would now be 800 mm Hg.
A)True
B)False
Q3) A "shielding gas" mixture of argon and carbon dioxide is sometimes used in welding to improve the strength of the weld.If a gas cylinder of this two-part mixture was at 4.0 atm pressure and this mixture was 90.% argon,what would be the pressure due to the carbon dioxide gas component?
A)3.6 atm
B)0.40 atm
C)10.atm
D)4.0 atm
E)none of the above
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Chapter 12: Liquids,solids,and Intermolecular Forces
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Sample Questions
Q1) The boiling point is the temperature at which the vapor pressure of a solution is equal to the intermolecular forces.
A)True
B)False
Q2) Which intermolecular force is the strongest?
A)dispersion force
B)dipole-dipole force
C)hydrogen bonding
D)ion-dipole force
E)none of the above
Q3) Why is water considered an unusual molecule?
A)No molecule of similar size is a liquid at room temperature.
B)No molecule of similar size has as high a boiling point.
C)Water can dissolve many polar and ionic compounds.
D)Water expands upon freezing.
E)all of the above
Q4) Ice is an example of a molecular solid.
A)True
B)False
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Chapter 13: Solutions
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Sample Questions
Q1) A saturated solution holds the maximum amount of solute under the solution conditions.
A)True
B)False
Q2) A supersaturated solution is unstable and crystallization usually occurs.
A)True
B)False
Q3) Oftentimes solubility of a compound limits the concentration of the solution that can be prepared.Use the solubility data given with each compound shown below to determine which compound would allow the preparation of a 10.0 Molar solution.
A)AgNO<sub>3</sub> (solubility = 122 g/100 g H<sub>2</sub>O)
B)KCl (solubility = 34.0 g/100 g H<sub>2</sub>O)
C)NaNO<sub>3</sub> (solubility = 89.0 g/100 g H<sub>2</sub>O)
D)NH<sub>4</sub>Cl (solubility = 41.1 g/100 g H<sub>2</sub>O)
E)none of the above
Q4) Molarity is defined as the moles of solute per liter of solution.
A)True
B)False
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Chapter 14: Acids and Bases
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Sample Questions
Q1) Exactly 17.0 mL of a H<sub>2</sub>SO<sub>4</sub> solution was required to neutralize 45.0 mL of 0.235 M NaOH.What was the concentration of the H<sub>2</sub>SO<sub>4</sub> solution?
Given: H<sub>2</sub>SO<sub>4</sub> (aq)+ 2NaOH (aq) 2H<sub>2</sub>O (l)+ Na<sub>2</sub>SO<sub>4</sub> (aq)
A)5.63 M
B)0.622 M
C)0.00529 M
D)0.311 M
E)none of the above
Q2) In general,the stronger the acid,the weaker is its conjugate base.
A)True
B)False
Q3) Sodium hydroxide is often used in the manufacturing of soap.
A)True
B)False
Q4) The products of a neutralization reaction are carbon dioxide and water.
A)True
B)False
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Chapter 15: Chemical Equilibrium
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Sample Questions
Q1) What happens to the equilibrium position of an endothermic reaction when you remove heat?
A)shifts to the left
B)shifts to the right
C)does nothing
D)doubles
E)halves
Q2) Collisions between reactant molecules do not always lead to the formation of product molecules.
A)True
B)False
Q3) Reaction rates generally increase as a reaction proceeds.
A)True
B)False
Q4) When dynamic equilibrium is achieved,the concentrations of reactants is equal to the concentrations of the products.
A)True
B)False
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Chapter 16: Oxidation and Reduction
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Sample Questions
Q1) The oxidation number of a chlorine atom is -1.
A)True
B)False
Q2) Oxidation involves which of the following?
1.Loss of electron(s).
2.Gain of electron(s).
3.Increase in oxidation state.
A)1 only
B)2 only
C)3 only
D)1 and 3 only
E)2 and 3 only
Q3) For the reaction Co + Cl<sub>2</sub> CoCl<sub>2</sub> ,which statement is TRUE?
A)The cobalt is oxidized because its oxidation state changed from 0 to +2.
B)The cobalt is oxidized because it gained two electrons.
C)The oxidation state of each chlorine atom in Cl<sub>2</sub> is -1.
D)Each chlorine atom is oxidized.
E)none of the above
Q4) Distinguish between a galvanic (voltaic)cell and an electrolytic cell.
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Chapter 17: Radioactivity and Nuclear Chemistry
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Sample Questions
Q1) What happens to the mass number of a nucleus that emits a positron?
A)It remains the same.
B)It increases by one.
C)It decreases by one.
D)It increases by two.
E)It decreases by two.
Q2) How does the emission of a gamma particle effect the radioactive atom?
A)The atom has a lower amount of energy.
B)The atomic number decreases.
C)The atomic mass increases.
D)The atom gains energy for further radioactive particle emission.
E)All of the above are true.
Q3) Radioactive particles can pass through matter.
A)True
B)False
Q4) Madam Curie discovered two new elements.
A)True
B)False
Q5) Briefly distinguish between nuclear fission and nuclear fusion.
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Chapter 18: Organic Chemistry
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Sample Questions
Q1) What is the formula for propene?
A)C<sub>3</sub>H<sub>8</sub>
B)C<sub>3</sub>H<sub>6</sub>
C)C<sub>3</sub>H<sub>4</sub>
D)C<sub>3</sub>H<sub>3</sub>
E)none of the above
Q2) Hydrocarbon combustion reactions are highly endothermic - they absorb large amounts of heat.
A)True
B)False
Q3) What is the formula for propyne?
A)C<sub>3</sub>H<sub>8</sub>
B)C<sub>3</sub>H<sub>6</sub>
C)C<sub>3</sub>H<sub>4</sub>
D)C<sub>3</sub>H<sub>3</sub>
E)none of the above
Q4) Alkenes and alkynes are unsaturated hydrocarbons.
A)True
B)False
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Chapter 19: Biochemistry
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Sample Questions
Q1) The synthesis of a protein involves:
A)DNA transfers the code to m-RNA which then goes to the nucleus to synthesize the protein.
B)DNA transfers the code to m-RNA which then goes to the mitochondria to synthesize the protein.
C)DNA transfers the code to m-RNA which then goes to the ribosome to synthesize the protein.
D)DNA transfers the code to m-RNA which then goes to the codon to synthesize the protein.
E)none of the above
Q2) Which of the following statements about nucleic acids is FALSE?
A)Nucleic acids contain the code to make lipids.
B)Nucleic acids specify the order of amino acids in proteins.
C)Nucleic acids are either DNA or RNA.
D)Nucleic acids are polymers of nucleotides.
E)All of the statements are true.
Q3) A triglyceride is a fat or oil that contains a fatty acid bonded to three glycerol molecules.
A)True
B)False
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