Survey of Chemistry Pre-Test Questions - 4358 Verified Questions

Survey of Chemistry Pre-Test Questions https://quizplus.com/study-set/3318 23 Chapters 4358 Verified Questions

Survey of Chemistry Pre-Test Questions Course Introduction Survey of Chemistry provides a broad overview of the fundamental concepts and principles of chemistry, designed for students with diverse academic backgrounds. The course covers essential topics such as atomic and molecular structure, chemical bonding, states of matter, chemical reactions, stoichiometry, thermochemistry, and basic concepts in organic and biochemistry. Emphasis is placed on the real-world applications of chemistry in fields such as health, environment, and industry, as well as developing problem-solving and critical thinking skills. This course serves as an introduction to the key ideas necessary for further study in science and related disciplines.

Recommended Textbook Chemistry 7th Edition by John E. McMurry

Available Study Resources on Quizplus 23 Chapters 4358 Verified Questions 4358 Flashcards Source URL: https://quizplus.com/study-set/3318

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Chapter 1: Chemical Tools: Experimentation and Measurement Available Study Resources on Quizplus for this Chatper 154 Verified Questions 154 Flashcards Source URL: https://quizplus.com/quiz/65854

Sample Questions Q1) Convert 98.6 cm³ to m³. A)98.6 × 10^-4 m³ B)98.6 × 10¹ m³ C)98.6 × 10⁶ m³ D)98.6 × 10⁸ m³ Answer: A Q2) How many of the following numbers contain 3 significant figures? 0.509 1.050 0.0500 1.06 × 10²⁴ A)one B)two C)three D)four Answer: C Q3) The diameter of an atom is approximately 1 × 10^-10 m.What is the diameter in centimeters? A)1 × 10^-13 cm B)1 × 10^-1² cm C)1 × 10^-8cm D)1 × 10^-7 cm Answer: C

Page 3

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Chapter 2: Atoms, molecules, and Ions Available Study Resources on Quizplus for this Chatper 275 Verified Questions 275 Flashcards Source URL: https://quizplus.com/quiz/65855

Sample Questions Q1) Which of the following elements has the least tendency to form an ion? A)Ca B)Li C)Kr D)S Answer: C Q2) The formula of thallium(III)selenide contains ________ thallium(III)and ________ selenide ions. Answer: 2,3 Q3) Which of the following statements does not describe a chemical property of oxygen? A)Iron will rust in the presence of oxygen. B)Oxygen combines with carbon to form carbon dioxide gas. C)The pressure is caused by collision of oxygen molecules with the sides of a container. D)When coal is burned in oxygen,the process is called combustion. Answer: C Q4) Atoms of the same element always have the same number of ________ in their nuclei. Answer: protons To view all questions and flashcards with answers, click on the resource link above. Page 4

Chapter 3: Mass Relationships in Chemical Reactions Available Study Resources on Quizplus for this Chatper 159 Verified Questions 159 Flashcards Source URL: https://quizplus.com/quiz/65856

Sample Questions Q1) Ethanol has the molecular formula C₂H₆O.Which ball and stick model shown above represents ethanol? [gray spheres = C,black spheres = O,unshaded spheres = H] A)model a) B)model b) C)model c) D)model d) Answer: A Q2) In the reaction between glucose and oxygen,10.0 g of glucose reacts and 7.50 L of carbon dioxide is formed.What is the percent yield if the density of CO₂ is 1.26 g/L? C₆H₁₂O₆(s)+

6

O₂(g)→

CO₂(g)+ 6 H₂O(l) A)26.1% B)40.6% C)43.1% D)64.5% Answer: D Q3) How many moles are in 7.8 g of acetamide,CH₃CONH₂? Answer: 0.13 moles To view all questions and flashcards with answers, click on the resource link above. Page 5

6

Chapter 4: Reactions in Aqueous Solutions Available Study Resources on Quizplus for this Chatper 211 Verified Questions 211 Flashcards Source URL: https://quizplus.com/quiz/65857

Sample Questions Q1) Which of the above graphs corresponds to titration II? A)graph (1) B)graph (2) C)graph (3) D)None of the graphs Q2) What is the concentration of FeCl₃ in a solution prepared by dissolving 10.0 g of FeCl₃ in enough water to make 275 mL of solution? A)2.24 × 10^-4 M B)0.224 M C)4.46 M D)4.46 × 10³ M Q3) If the volumes in the buret and the flask are identical and the concentration of the acid in the buret is 0.250 M,what is the concentration of the base in the flask? A)0.167 M B)0.250 M C)0.375 M D)0.667 M Q4) The oxidation number of hydrogen in CaH₂ is ________. Q5) The best oxidizing agents are found at the ________ of the activity series. 6 click on the resource link above. To view all questions and flashcards with Page answers,

Chapter 5: Periodicity and the Electronic Structure of Atoms Available Study Resources on Quizplus for this Chatper 168 Verified Questions 168 Flashcards Source URL: https://quizplus.com/quiz/65858

Sample Questions Q1) Which element,indicated by letter on the periodic table above,contains one f electrons? A)A B)B C)C D)D Q2) Which of the following represent electron configurations that violate the Pauli exclusion

principle?

(A)[Ne]3s¹3p⁵

(B)[Kr]4d¹²5s²5p⁶ (C)[Ar]3d¹⁰4s²4p² A)only (A) B)only (B) C)(A)and (B) D)(B)and (C) Q3) Atoms of which element,indicated by letter on the periodic table,are expected to have the largest atomic radius? A)A B)B C)C D)D To view all questions and flashcards with answers, click on the resource link above. Page 7

Chapter 6: Ionic Compounds: Periodic Trends and Bonding Available Study Resources on Quizplus for this Chatper 138 Verified Questions 138 Flashcards Source URL: https://quizplus.com/quiz/65859

Sample Questions Q1) Isoelectronic means having the same number of electrons.The dipositive ion that is isoelectronic with Br^- is ________. Q2) Which of the following species will have the highest ionization energy? A)Na⁺ B)Na²⁺ C)Na³⁺ D)Na⁴⁺ Q3) Of the following,which element has the highest first ionization energy? A)indium B)rubidium C)tin D)strontium Q4) Indicate which is larger in each of the following two sets. (I)Cr²⁺ or Cr (II)N^2- or N A)Cr²⁺ is larger than Cr and N^3- is larger than N. B)Cr²⁺ is larger than Cr and N is larger than N^3-. C)Cr is larger than Cr²⁺ and N^3- is larger than N. D)Cr is larger than Cr²⁺ and N is larger than N^3-. Q5) The element in period 3 with the smallest seventh ionization energy is ________. Pagefirst 8 ionization energy is ________. Q6) The element in period 4 with the smallest To view all questions and flashcards with answers, click on the resource link above.

Chapter 7: Covalent Bonding and Electron-Dot Structures Available Study Resources on Quizplus for this Chatper 92 Verified Questions 92 Flashcards Source URL: https://quizplus.com/quiz/65860

Sample Questions Q1) Which electrostatic forces hold atoms together in a molecule? A)electron-electron forces B)electron-nucleus forces C)nucleus-nucleus forces D)all three forces Q2) How many lone pairs of electrons are on the I atom in IF₅? A)0 B)1 C)2 D)3 Q3)

Based

on

formal

charge

considerations,the

electron-dot

structure

of

CO₃^2- ion has A)two resonance structures involving two single bonds and one double bond. B)two resonance structures involving one single bond and two double bonds. C)three resonance structures involving two single bonds and one double bond. D)three resonance structures involving one single bond and two double bonds. Q4) Using only the elements Be,Cl,and/or P,give the formula of a compound having largely ionic bonds. Q5) Which compound is most likely to exist as a gas at room temperature? Page 9 that is most polar is ________. Q6) Of the bonds C-C,C-N,C-O,and C-F,the bond To view all questions and flashcards with answers, click on the resource link above.

Chapter 8: Covalent Compounds: Bonding Theories and Molecular Structure Available Study Resources on Quizplus for this Chatper 205 Verified Questions 205 Flashcards Source URL: https://quizplus.com/quiz/65861

Sample Questions Q1) Which of the following compounds has the highest boiling point? A)H₂O B)H₂S C)H₂Se D)H₂Te Q2) The polarity of CCl₄ is ________. Q3) Which of the following molecules does not have a dipole moment? A)C₂H₄   B)NH₃ C)CH₃NH₂ D)HCl Q4) Which is the best description of the bonding in NO₃^-? A)3 N-O σ bonds and no N-O π bonds B)3 N-O σ bonds and 3 N-O π bonds C)no N-O σ bonds and delocalized N-O π molecular orbitals extending over all four atoms D)3 N-O σ bonds and delocalized N-O π molecular orbitals extending over all four atoms Q5) According to molecular orbital theory,is the highest energy orbital that contains an electron antibonding or bonding in O₂^2-? Page 10 To view all questions and flashcards with answers, click on the resource link above.

Chapter 9: Thermochemistry: Chemical Energy Available Study Resources on Quizplus for this Chatper 170 Verified Questions 170 Flashcards Source URL: https://quizplus.com/quiz/65862

Sample Questions Q1) At a given temperature and pressure,which of the following would be expected to have the greatest molar entropy? A)I₂(s) B)I₂(l) C)I₂(g) D)All of these would be expected to have the same molar entropy. Q2) Step (1)in the reaction is represented by A)arrow A. B)arrow B. C)arrow C. D)line E. Q3) The energy of motion is A)electrical energy. B)dam energy. C)reserve energy. D)kinetic energy. Q4) Heat transfer measured in a coffee-cup calorimeter at constant pressure is a measure of ________,but heat transfer measured in a bomb calorimeter at constant volume is a measure of ________. Q5) Kinetic energy increases with increasing ________ and increasing ________. Page 11 To view all questions and flashcards with answers, click on the resource link above.

Chapter 10: Gases: Their Properties and Behavior Available Study Resources on Quizplus for this Chatper 188 Verified Questions 188 Flashcards Source URL: https://quizplus.com/quiz/65863

Sample Questions Q1) When using the ideal gas law the temperature must be expressed in ________. Q2) A greenhouse gas is a gas that can experience a change in dipole moment.Which of the following can be greenhouse gases? A)O₂ B)H₂ C)N₂ D)CH₃F Q3) The partial pressures of CH₄,N₂,and O₂ in a sample

of

gas

were

found

to

be

143

mmHg,469

mmHg,and

251

mmHg,respectively.Calculate the mole fraction of oxygen. A)0.410 B)0.291 C)2.44 D)22.4 Q4) How many molecules of N₂ are in a 250.0 mL container at 780 mm Hg and 135°C? A)4.38 × 10²¹molecules B)4.62 × 10²¹molecules C)1.32 × 10²²molecules D)1.39 × 10²²molecules Page 12 To view all questions and flashcards with answers, click on the resource link above.

Chapter 11: Liquids, solids, and Phase Changes Available Study Resources on Quizplus for this Chatper 141 Verified Questions 141 Flashcards Source URL: https://quizplus.com/quiz/65864

Sample Questions Q1) When a narrow diameter glass tube is inserted into a body of water,water rises in the tube and its surface inside is concave upwards.Which statement,concerning the strength of the intermolecular forces between glass and water molecules compared to those between water molecules,is accurate? A)The forces of attraction between the glass and water are weaker than those in water. B)The forces of attraction between the glass and water are stronger than those in water. C)The forces of attraction between the glass and water are the same as those in water. D)Intermolecular forces are irrelevant to this situation. Q2) What is the physical phase of the substance at T = 100 K and P = 0.1 atm? A)gas B)liquid C)solid D)supercritical fluid Q3) The solids formed by Na,Na₂O₂,SiO₂,and N₂

are

classified

as

________,________,________,and

________,respectively. To view all questions and flashcards with answers, click on the resource link above.

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Chapter 12: Solutions and Their Properties Available Study Resources on Quizplus for this Chatper 198 Verified Questions 198 Flashcards Source URL: https://quizplus.com/quiz/65865

Sample Questions Q1) When KI is dissolved in water,the major forces overcome are ________ forces in the solute and ________ forces in the solvent,and the major forces created between solute and solvent particles are ________ forces. Q2) A solution of LiCl in water has X_LiCl = 0.0800.What is the molality? A)4.01 m LiCl B)4.44 m LiCl C)4.83 m LiCl D)8.70 m LiCl Q3) One reason ionic compounds do not dissolve well in nonpolar solvents is that A)ion-dipole interactions are too large for effective solvation to occur. B)ion-solvent interactions are not strong enough to solvate the ions in solution. C)not all cations and anions have the same magnitude of charge and therefore do not form neutral ion pairs. D)there are no forces of attraction between ions and nonpolar molecules. Q4) At 25°C the vapor pressures of benzene and toluene are 96.0 mm Hg and 30.5 mm Hg,respectively.When a 1:1 molar mixture of benzene and toluene is fractionally distilled,the first fraction will have a mole fraction of benzene that is ________ (equal to,greater than,less than)0.50. To view all questions and flashcards with answers, click on the resource link above. Page 14

Chapter 13: Chemical Kinetics Available Study Resources on Quizplus for this Chatper 190 Verified Questions 190 Flashcards Source URL: https://quizplus.com/quiz/65866

Sample Questions Q1) The reaction between chlorine and nitric oxide to form nitrosyl chloride is shown below.If the reaction rate doubles when the concentration of Cl₂ is doubled and the rate quadruples when the concentration of NO is doubled,by what factor will the rate

increase

if

both

concentrations,NO

and

Cl₂,are

doubled?

Cl₂(g)+ 2 NO(g)→ 2 NOCl(g) A)2 B)4 C)8 D)6 Q2) For the reaction shown below,if the rate of formation of O₂ is 6.5 × 10^-6M/s,the rate of decomposition of N₂O₅ over the same time interval is ________. 2 N₂O₅(g)→ 4 NO₂(g)+ O₂(g) Q3) The slowest step in a reaction mechanism is called the ________ step. A)termination B)elementary C)rate law D)rate-determining To view all questions and flashcards with answers, click on the resource link above. Page 15

Chapter 14: Chemical Equilibrium Available Study Resources on Quizplus for this Chatper 171 Verified Questions 171 Flashcards Source URL: https://quizplus.com/quiz/65867

Sample Questions Q1)

Cyclohexane

(C₆H₁₂)undergoes

a

molecular

rearrangement in the presence of AlCl₃ to form methylcyclopentane (CH₃C₅H₉)according

to

the

equation:

C₆H₁₂ ⇌ CH₃C₅H₉ If K_c = 0.143 at 25°C for this reaction,find the equilibrium concentrations of C₆H₁₂ and CH₃C₅H₉ if the initial concentrations are 0.200 M and 0.100 M,respectively. A)[C₆H₁₂]

=

0.0625

and

0.138

and

[CH₃C₅H₉] = 0.062 M B)[C₆H₁₂]

=

[CH₃C₅H₉] = 0.162 M C)[C₆H₁₂]

=

0.262

M

and

[CH₃C₅H₉] = 0.038 M D)[C₆H₁₂]

=

0.282

and

[CH₃C₅H₉] = 0.018 M Q2) In a reversible reaction,when the rate of the forward reaction equals the rate of the reverse reaction,the reaction is at ________. To view all questions and flashcards with answers, click on the resource link above.

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Chapter 15: Aqueous Equilibria: Acids and Bases Available Study Resources on Quizplus for this Chatper 231 Verified Questions 231 Flashcards Source URL: https://quizplus.com/quiz/65868

Sample Questions Q1) What is the pH of a solution prepared by diluting 25.00 mL of 0.020 M Ba(OH)₂ with enough water to produce a total volume of 250.00 mL? A)2.40 B)2.70 C)11.30 D)11.60 Q2) Which of the following Br∅nsted-Lowry acids does not behave as a strong acid when it is dissolved in water? A)HBr B)HCl C)HNO₂ D)HClO₄ Q3)

Ammonia

NH₃,has

a

base

dissociation

constant

of

1.8

×

10^-5.What is the conjugate acid of ammonia and what is its acid dissociation constant? A)NH₄⁺,1.9 × 10⁹ B)NH₄⁺,1.8 × 10^-5 C)NH₄⁺,5.6 × 10^-10 D)NH₂^-,5.6 × 10^-10 To view all questions and flashcards with answers, click on the resource link above. Page 17

Chapter 16: Applications of Aqueous Equilibria Available Study Resources on Quizplus for this Chatper 201 Verified Questions 201 Flashcards Source URL: https://quizplus.com/quiz/65869

Sample Questions Q1) At 25°C calcium fluoride has a solubility product constant K_sp = 3.5 × 10^-11.The solubility of CaF₂ at this temperature is ________ mol/L. Q2) When equal molar amounts of the following sets of compounds are mixed in water,which will not form a buffer solution? A)KH₂PO₄ with K₂HPO₄ B)NH₃ with NH₄I C)CH₃CO₂H with LiCH₃CO₂ D)HNO₃ with LiNO₃ Q3) Which of these neutralization reactions has a pH = 7 when equal molar amounts of acid and base are mixed? A)CH₃CO₂H(aq)+

LiOH(aq)⇌

H₂O(l)+

LiCH₃CO₂(aq) B)HI(aq)+ C₅H₅N(aq)⇌ C₅H₅NHI(aq) C)HI(aq)+ KOH(aq)⇌ H₂O(l)+ KI(aq) D)HNO₂(aq)+ NH₃(aq)⇌ NH₄NO₂(aq) Q4) What is the equation relating the equilibrium constant K_n for the neutralization of a weak acid with a weak base to the K_a of the acid,the K_b of the base and K_w? To view all questions and flashcards with answers, click on the resource link above. Page 18

Chapter 17: Thermodynamics: Entropy, free Energy, and Equilibrium Available Study Resources on Quizplus for this Chatper 150 Verified Questions 150 Flashcards Source URL: https://quizplus.com/quiz/65870

Sample Questions Q1) For a particular process,ΔG = ΔH at a given temperature and pressure.Therefore, A)ΔS is positive if ΔH is negative and negative is ΔH is positive. B)ΔS is negative if ΔG is positive and positive if ΔG is positive. C)ΔS is zero. D)ΔS = ΔG/T. Q2) Which has the highest standard molar entropy at 25°C? A)P(s) B)P(l) C)P(g) D)All three should have a standard molar entropy of zero. Q3) The signs of ΔG,ΔH,and ΔS at 25°C are shown below for three reactions. reaction ΔG ΔH ΔS I.- + + II.- - + III.- - Which reaction could go in the reverse direction at high temperature? A)I B)II C)III D)I and II Page 19 To view all questions and flashcards with answers, click on the resource link above.

Chapter 18: Electrochemistry Available Study Resources on Quizplus for this Chatper 212 Verified Questions 212 Flashcards Source URL: https://quizplus.com/quiz/65871

Sample Questions Q1) For an electrolytic cell, A)E is negative and ΔG is negative for the cell reaction. B)E is negative and ΔG is positive for the cell reaction. C)E is positive and ΔG is negative for the cell reaction. D)E is zero and ΔG is positive for the cell reaction. Q2) Which statement concerning overvoltage is false? A)Overvoltage is the additional voltage above the calculated voltage required to bring about electrolysis. B)Overvoltage is often due to a high activation energy for the reaction at one electrode. C)Overvoltage is small for half-reactions involving the formation of O₂(g)or H₂(g). D)Overvoltage must be experimentally determined. Q3) For the hypothetical reaction A + 2 B^x → A^y + 2 B,E° = 1.50 V = and ΔG° = -305 kJ.For this reaction,if the value of x is 4,then the value of y = . A)1 B)2 C)3 D)4 To view all questions and flashcards with answers, click on the resource link above. Page 20

Chapter 19: Nuclear Chemistry Available Study Resources on Quizplus for this Chatper 176 Verified Questions 176 Flashcards Source URL: https://quizplus.com/quiz/65872

Sample Questions Q1) The nuclear transformation potassium-40 argon-40 + ? is classified as A)alpha emission. B)beta emission. C)electron capture. D)positron emission. Q2) What is the decay constant for a radioactive isotope which decreases to 34% of its original value in 2.48 hours? A)0.137 hr^-1 B)0.168 hr^-1 C)0.435 hr^-1 D)2.30 hr^-1 Q3) When more than 3000 known nuclides are plotted on a neutron/proton grid,they make up a group called A)the "island of stability." B)the "band of nuclear stability." C)the "sea of instability." D)none of these Q4) In an electron capture reaction a proton is converted into a ________. Q5) In a nuclear reaction,the symbol for a beta particle is ________. 21 click on the resource link above. To view all questions and flashcards withPage answers,

Chapter 20: Transition Elements and Coordination Chemistry Available Study Resources on Quizplus for this Chatper 190 Verified Questions 190 Flashcards Source URL: https://quizplus.com/quiz/65873

Sample Questions Q1) Which of the following species has the electron configuration [Ar]3d³? A)Sc B)V³⁺ C)Cr³⁺ D)Fe³⁺ Q2) How many electrons are in the ground state of Tl⁺? A)2 B)3 C)4 D)5 Q3) Which of the following complex ions is colorless? A)[Co(H₂O)₆]²⁺ B)[Mn(CN)₆]^3- C)[CrCl₃(H₂O)₃] D)[Ag(NH₃)₂]⁺ Q4) Cr³⁺ has ________ valence electrons. Q5)

The

number

of

unpaired

electrons

Co(NH₃)₆³⁺ is ________. Page 22 Q6) Copper has the anomalous short-hand electron configuration ________. To view all questions and flashcards with answers, click on the resource link above.

in

Chapter 21: Metals and Solid-State Materials Available Study Resources on Quizplus for this Chatper 154 Verified Questions 154 Flashcards Source URL: https://quizplus.com/quiz/65874

Sample Questions Q1)

White

tin

has

an

electrical

conductivity

that

decreases

with

increasing

temperature,and gray tin has an electrical conductivity that increases with increasing temperature.Therefore,white tin is classified as a(n)________,and gray tin is classified as a(n)________. A)insulator,metal B)metal,insulator C)metal,semiconductor D)semiconductor,metal Q2) Which of these elements is likely to be extracted from its ore by electrolysis? A)element A B)element B C)element C D)element D Q3) Which of these materials is a metal? A)material (1) B)material (2) C)material (3) D)material (4) Q4) A nanoparticle that exhibits a yellow color is (larger/smaller)________ than a nanoparticle that exhibits a red color. Page 23 To view all questions and flashcards with answers, click on the resource link above.

Chapter 22: The Main-Group Elements Available Study Resources on Quizplus for this Chatper 294 Verified Questions 294 Flashcards Source URL: https://quizplus.com/quiz/65875

Sample Questions Q1) Of the following elements,which has a melting point slightly above room temperature? A)B B)Ga C)In D)Tl Q2) Second row elements differ from heavier elements in all of the following ways except A)atoms of second row elements are smaller. B)atoms of second row elements have higher electronegativities. C)heavier elements commonly form multiple bonds while second row elements cannot. D)heavier elements have electrons in d orbitals while second row elements do not. Q3) Which of the elements indicated on the above periodic table has the highest ionization energy? A)element A B)element B C)element C D)element D To view all questions and flashcards with answers, click on the resource link above.

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Chapter 23: Connections to Organic and Biological Chemistry Available Study Resources on Quizplus for this Chatper 290 Verified Questions 290 Flashcards Source URL: https://quizplus.com/quiz/65876

Sample Questions Q1) All reactions in the human body are catalyzed by A)carboxylic acids. B)alcohols. C)proteins. D)alkanes. Q2) Cytosine is a base that occurs in ________ (DNA,RNA,DNA and RNA). Q3) The nucleotide sequence,T-A-G,stands for A)threonine-alanine-glutamine. B)thymine-adenine-guanine. C)tyrosine-asparagine-glutamic acid. D)None of these. Q4) Which is an amino acid nonpolar neutral side chain? A)-CH₃ B)-CH₂OH C)-CH₂CO₂H D)-CH₂CH₂CH₂CH₂NH₂ Q5) Does tyrosine contain an aromatic ring? Q6)

Orbitals

used

by Page 25 carbon

for

bonding

in

C₂H₆,C₂H₄,and C₂H₂ are ________,________,and ________,respectively.

To view all questions and flashcards with answers, click on the resource link above.

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