Physical Science
Textbook Exam Questions
Course Introduction
Physical Science is an introductory course that explores the fundamental concepts and principles underlying the physical world. Covering a range of topics from physics and chemistry, the course examines matter, energy, motion, forces, and the structure of atoms, as well as chemical reactions and the periodic table. Students will develop an understanding of how physical laws govern both natural phenomena and everyday technology. Emphasis is placed on hands-on experiments, problem-solving, and scientific reasoning to foster a comprehensive appreciation for the scientific method and the impact of physical science in society.
Recommended Textbook
Chemical Principles The Quest for Insight 7th Edition by Peter Atkins
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11 Chapters
1997 Verified Questions
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Page 2
Chapter 1: Atoms
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Sample Questions
Q1) If the second ionization energy of copper is 1958 kJ·mol<sup>-1</sup>, the first ionization energy is likely to be greater than 1958 kJ·mol<sup>-1</sup>.
A)True
B)False
Answer: False
Q2) The zero-point energy in 1,3-butadiene is larger than in 1,3,5,7-octatetraene.
A)True
B)False
Answer: True
Q3) Which of the following corresponds to an X-radiation wavelength?
A) 0.0001 nm
B) 0.001 nm
C) 9 cm
D) 9 nm
E) 95 nm
Answer: D
Q4) The square of the amplitude of a wave determines the intensity of the radiation.
A)True
B)False
Answer: True
Page 3
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Chapter 2: Molecules
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Sample Questions
Q1) For the ground-state ion Bi<sup>3+</sup>, what type of orbital do the electrons with highest energy reside in?
A) 5d
B) 6s
C) 4f
D) 5p
E) 6p
Answer: B
Q2) The hybrid orbitals used by the underlined atoms in CH<sub>2</sub>CHCHO, from left to right,Respectively,Are
A) sp<sup>3</sup> and sp<sup>2</sup>.<sup> </sup>
B) sp<sup>2</sup> and sp<sup>2</sup>.<sup> </sup>
C) sp<sup>2</sup> and sp.
D) sp and sp.
E) sp<sup>3</sup> and sp.
Answer: B
Q3) The molecule cis-dichloroethene is nonpolar.
A)True
B)False
Answer: False
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Chapter 3: States of Matter
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Sample Questions
Q1) What improves the corrosion resistance of brass?
A) Antimony.
B) Arsenic.
C) Tin.
D) None of the above.
E) All of the above.
Answer: E
Q2) How many atoms are there in a primitive cubic unit cell?
A) 1
B) 2
C) 3
D) 8
E) 4
Answer: A
Q3) Sodium has a body-centered cubic unit cell. If the atomic radius of sodium is 190 pm, what is the density of sodium?
Answer: 0.97 g.cm<sup> 3</sup>
Q4) To what two chemicals are most glasses not resistant?
Answer: Fluorides and hydroxides.
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Chapter 4: Thermodynamics
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Sample Questions
Q1) The lattice enthalpy of calcium bromide is the energy change for the reaction
A) CaBr<sub>2</sub>(s) \(\rarr\) Ca(g) + 2Br(g)
B) CaBr<sub>2</sub>(s) \(\rarr\) Ca<sup>2+</sup>(g) + 2Br<sup>-</sup>(g)
C) Ca(s) + Br<sub>2</sub>(l) \(\rarr\) CaBr<sub>2</sub>(s)
D) CaBr<sub>2</sub>(s)\(\rarr\) Ca(g) + Br<sub>2</sub>(g)
E) Ca(g) + 2Br(g) \(\rarr\) CaBr<sub>2</sub>(g)
Q2) A system had 150 kJ of work done on it and its internal energy increased by 60 kJ . How much energy did the system gain or lose as heat?
A) The system lost 90 kJ of energy as heat.
B) The system lost 210 kJ of energy as heat.
C) The system gained 60 kJ of energy as heat.
D) The system gained 90 kJ of energy as heat.
E) The system gained 210 kJ of energy as heat.
Q3) The enthalpy of sublimation of a substance is related to its enthalpy of vaporization and enthalpy of fusion by the equation, \(\Delta\)H<sub>sublimation</sub> = \(\Delta\)H<sub>vaporization</sub> -\(\Delta\)H<sub>fusion</sub>.
A)True
B)False
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Page 6
Chapter 5: Equilibrium
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Sample Questions
Q1) Consider the following reaction: Ni(CO)<sub>4</sub>(g) \(f\) Ni(s)+ 4CO(g)
If the initial concentration of Ni(CO)<sub>4</sub>(g) Is 1.0 M,
And x is the equilibrium concentration of CO(g),What is the correct equilibrium relation?
A) K<sub>c</sub> = X<sup>4</sup>/(1.0 F1F1F1S1-F1F1F10 4X)
B) K<sub>c</sub> = X/(1.0 F1F1F1S1-F1F1F10 X/4)
C) K<sub>c</sub> = X<sup>4</sup>/(1.0 F1F1F1S1-F1F1F10 X/4)
D) K<sub>c</sub> = X<sup>5</sup>/(1.0 F1F1F1S1-F1F1F10 X/4)
E) K<sub>c</sub> = 4X/(1.0 F1F1F1S1-F1F1F10 4X)
Q2) On what conditions does the location of the triple point for water-4.6 Torr and 0.01<sup>\(\omicron\)</sup>C -depend?
Q3) For the reaction 2NOCl(g) \(f\) 2NO(g)+ Cl<sub>2</sub>(g),if,initially,[NOCl(g)] = 2.8 M,at equilibrium [NO(g)] = 1.2 M.Calculate the equilibrium concentration of NOCl(g).
Q4) Calculate the molality of perchloric acid in 9.2 M HClO<sub>4</sub>(aq).The density of this solution is 1.54 g/mL.
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Chapter 6: Reactions
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Sample Questions
Q1) Given: S<sub>2</sub>O<sub>4</sub><sup>2</sup><sup>-</sup>(aq) \(\rightarrow\)SO<sub>3</sub><sup>2</sup><sup>-</sup>(aq),Basic solution. How many electrons appear in the balanced half-reaction?
A) 3
B) 6
C) 1
D) 4
E) 2
Q2) What is the concentration of acetate ion at the stoichiometric point in the titration of 0.018 M CH<sub>3</sub>COOH(aq) with 0.072 M NaOH(aq)? For acetic acid, K<sub>a</sub> = 1.8 * 10<sup>-</sup><sup>5</sup>.
A) 0.054 M
B) 0.036 M
C) 0.018 M
D) 0.072 M
E) 0.014 M
Q3) Consider the titration of 50.0 mL of 0.0200 M HClO(aq)with 0.100 M NaOH(aq).What is the formula of the main species in the solution after the addition of 10.0 mL of base?
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Chapter 7: Kinetics
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Sample Questions
Q1) If the rate of a reaction increases by a factor of 64 when the concentration of reactant increases by a factor of 4, the order of the reaction with respect to this reactant is
A) 16.
B) 2.
C) 4.
D) 1.
E) 3.
Q2) The reaction profile for the mechanism
NO<sub>2</sub>(g)+ F<sub>2</sub>(g)\(\rightarrow\)NO<sub>2</sub>F(g)+ F(g) Slow F(g)+ NO<sub>2</sub>(g)\(\rightarrow\)NO<sub>2</sub>F(g)
Fast Shows
A) two maxima, the first maximum being the higher.
B) two maxima, the second maximum being the higher.
C) one maximum for the second step.
D) two maxima, both the same height.
Q3) What is the half-life of a second order reaction?
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Page 9
Chapter 8: The Main-Group Elements
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Sample Questions
Q1) The phase diagram for helium-4 indicates that
A) helium has three phases.
B) helium has two liquid phases.
C) helium can be liquefied at ordinary pressures.
D) helium exists as He(g) and He(l) at about 2 K.
E) helium exists only as a gas.
Q2) All of the following form clathrates with water except
A) CH<sub>4</sub>
B) SO<sub>2</sub>
C) NO
D) CO<sub>2</sub>
E) Ne
Q3) When sulfuric acid and calcium fluoride are mixed, a product is
A) F<sub>2</sub>(g).
B) SO<sub>2</sub>(g).
C) HF(g).
D) H<sub>2</sub>S(g).
E) SF<sub>2</sub>(g).
Q4) Sulfur dioxide can act as both an oxidizing agent and a reducing agent; explain.
Q5) When magnesium burns in air,what are the main products?
Page 10
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Chapter 9: The D-Block Elements
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Sample Questions
Q1) The complex CoCl<sub>4</sub><sup>2</sup><sup>-</sup> absorbs light at approximately ____________ nm and its color is ____________.
Q2) Of the following, which possesses the smallest atomic radius?
A) Cd
B) Zn
C) Mo
D) Pd
E) Ru
Q3) The compound Co(en)<sub>2</sub>(NO<sub>2</sub>)<sub>2</sub>Cl has been prepared in a number of isomeric forms.All the forms have the nitrite ion coordinated trough the nitrogen atom.Draw the structure of each isomeric form.
a)One form is optically inactive and does not react with AgNO<sub>3</sub> or en.
b)A second form reacts with AgNO<sub>3</sub> but not with en and is also optically inactive.
c)A third form is optically active and reacts with both AgNO<sub>3</sub> and en.
Q4) If AgNO<sub>3</sub>(aq)is added to a 1 M aqueous solution of pentaamminechlorocobalt(III)chloride,how many moles of silver chloride are precipitated?
Q5) What do all rhodium complexes have in common?
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Chapter 10: Nuclear Chemistry
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Sample Questions
Q1) An \(\alpha\) particle corresponds to
A) \({ } _ { 2 } ^ { 4 } \mathrm { He }\) <sub> </sub>
B) \({ } _ { 1 } ^ { 1 } \mathrm { H } ^ { + } \text {. }\)
C) \({ } _ { 1 } ^ { 0 } \mathrm { e }\)
D) \({ } _ { - 1 } ^ { 0 } \mathrm { e } .\)
E) \({ } _ { 2 } ^ { 4 } \mathrm { He } ^ { 2 + }\)
Q2) All the following are predicted to be unstable except A) Ca-40
B) N-16
C) Na-24
D) O-15
Q3) Heavy elements are more likely to give off \(\alpha\) radiation.
A)True
B)False
Q4) The nuclide <sup>7</sup>Be decays by electron capture.
A)True
B)False
Q5) For the fusion of two deuterium atoms to produce helium-4,the difference in mass between products and reactants is -0.0256 u.What is E per mole of helium?
Q6) What is the product of the emission of a \(\beta\) particle from K-40?
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Chapter 11: Organic Chemistry
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Sample Questions
Q1) Complete hydrolysis of a hexapeptide yielded Arg,Tyr,Val,Phe,Cys.After partial hydrolysis,the fragments Tyr-Cys,Arg-Phe,Cys,Val-Arg,and Phe-Tyr were obtained.What are the possible sequences in the hexapeptide?
Q2) Name the compound C(CH<sub>3</sub>)<sub>4</sub>.
A) 2-methylbutane
B) pentane
C) 2,2-dimethylpropane
D) Isopropylmethane
E) Isobutylmethane
Q3) The major product of the reaction of (CH<sub>3</sub>)<sub>2</sub>CHCH(Br)CH<sub>3</sub> with concentrated KOH in alcohol solvent is
A) 2-methyl-2-butene.
B) 3-methyl-1-butene.
C) 2-hydroxy-3-methylbutane.
D) pentene.
E) 3-methylbuatanol.
Q4) What reactants would be used to synthesize diethyl ether?
Q5) Which atom of formaldehyde, H<sub>2</sub>CO,Is susceptible to attack by a nucleophilic reagent?
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