Chemistry for Engineers Exam Answer Key - 3323 Verified Questions

Chemistry for Engineers

Exam Answer Key

Course Introduction

Chemistry for Engineers introduces the fundamental principles of chemistry with a focus on applications relevant to engineering disciplines. The course covers atomic and molecular structure, chemical bonding, stoichiometry, thermodynamics, kinetics, equilibrium, and electrochemistry. Emphasis is placed on understanding how these concepts underpin processes and materials commonly encountered in various branches of engineering, such as civil, mechanical, electrical, and chemical engineering. Laboratory experiments and problem-solving sessions help students develop practical skills and a deeper appreciation of the role of chemistry in technological innovation and sustainable solutions.

Recommended Textbook

General Chemistry Principles and Modern Applications 11th Edition by Ralph H. Petrucci

Available Study Resources on Quizplus

28 Chapters

3323 Verified Questions

3323 Flashcards

Source URL: https://quizplus.com/study-set/3237 Page 2

Chapter 1: Matter: Its Properties and Measurement

Available Study Resources on Quizplus for this Chatper

136 Verified Questions

136 Flashcards

Source URL: https://quizplus.com/quiz/64230

Sample Questions

Q1) At what temperature will the numerical values of the Celsius and Fahrenheit scales be the same?

A)0 °

B)-40 °

C)40 °

D)-273 °

E)80 °

Answer: B

Q2) Calculate the length of a steel cable (density 7.91 g/cm³)with a mass of 160.0 g and cross-sectional area of 0.500 cm².

A)40.5 cm

B)20.23 cm

C)40.46 cm

D)20.2 cm

E)10.1 cm

Answer: A

Q3) A homogeneous mixture has regions that are different in composition or phase. A)True

B)False

Answer: False

To view all questions and flashcards with answers, click on the resource link above. Page 3

Chapter 2: Atoms and the Atomic Theory

Available Study Resources on Quizplus for this Chatper

119 Verified Questions

119 Flashcards

Source URL: https://quizplus.com/quiz/64231

Sample Questions

Q1) Which of the following statements is FALSE?

A)Michael Faraday discovered cathode rays.

B)J .J.Thomson suggested the "plum pudding" model of the atom.

C)Robert Millikan determined the charge on an electron.

D)J.J.Thomson determined the mass-to-charge ratio for electrons.

E)Michael Faraday determined that cathode rays were the fundamental negatively charged particles and called them electrons.

Answer: E

Q2) Main group elements are those in groups ________.

A)1 and 2

B)1,2,and 13 to 18

C)13 to 18

D)1 and 18

E)3 to 12

Answer: B

Q3) The number of protons and neutrons in the nucleus of a given atom is called the atomic number.

A)True

B)False

Answer: False

To view all questions and flashcards with answers, click on the resource link above. Page 4

Chapter 3: Chemical Compounds

Available Study Resources on Quizplus for this Chatper

152 Verified Questions

152 Flashcards

Source URL: https://quizplus.com/quiz/64232

Sample Questions

Q1) How many grams of Cr are found in 1.00 × 10² g of K₂Cr₂O₇?

A)35.4 g

B)24.3 g

C)12.2 g

D)48.6 g

E)33.8 g

Answer: A

Q2) An organic compound contains C,H,and O.The percentages of H and C are 6.73% H,and 39.99% C by mass.The molecular mass is 60.06 u.What is the molecular formula of the compound?

A)CH₂O

B)C₃H₆O3

C)C₂H₃O₂

D)C₂H₄O₂

E)C₄H₈O₄

Answer: D

Q3) Determine the mass percent (to the hundredths place)of H in sodium bicarbonate (NaHCO₃).

Answer: 1.20

To view all questions and flashcards with answers, click on the resource link above. Page 5

Chapter 4: Chemical Reactions

Available Study Resources on Quizplus for this Chatper

170 Verified Questions

170 Flashcards

Source URL: https://quizplus.com/quiz/64233

Sample Questions

Q1) 24.0 g of ethane (C₂H₆)are burned to form CO₂ and H₂O.How many grams of CO₂ are produced?

A)32.8 g

B)14.4 g

C)43.2 g

D)35.1 g

E)70.3 g

Q2) Write the complete balanced equation for the complete combustion reaction expected to occur between C₃H₇OH and O₂.

A)C₃H₇OH + O₂ 3 CO₂ + 4 H₂O

B)3 C₃H₇OH + 9 O₂ 6 CO₂ + 8 H₂O + 3 C

C)2 C₃H₇OH + 6 O₂ CO + 8 H₂O

D)2 C₃H₇OH + 9 O₂ 6 CO₂ + 8 H₂O

E)2 C₃H₇OH + 9 O₂ 6 C + 8 H₂ + 10 O₂

To view all questions and flashcards with answers, click on the resource link above. Page 6

Chapter 5: Introduction to Reactions in Aqueous Solutions

Available Study Resources on Quizplus for this Chatper

124 Verified Questions

124 Flashcards

Source URL: https://quizplus.com/quiz/64234

Sample Questions

Q1) Based on the balanced chemical equation shown below,what volume of 0.250 mol L^-1 K₂S₂O₃(aq)is needed to completely react with 24.88 mL of 0.125 mol L^-1 KI₃(aq),according to the following chemical equation: 2 S₂O₃^2-(aq)+ I₃^-(aq) S₄O₆^2-(aq)+ 3 I^-(aq)

A)6.22 mL

B)12.4 mL

C)24.9 mL

D)99.5 mL

Q2) Which of the following would have the strongest tendency of producing OH^- ions in an aqueous solution?

A)Fe(OH)₂

B)Fe(OH)₃

C)Ba(OH)₂

D)NaOH

E)HOCl

To view all questions and flashcards with answers, click on the resource link above. Page 7

Chapter 6: Gases

Available Study Resources on Quizplus for this Chatper

113 Verified Questions

113 Flashcards

Source URL: https://quizplus.com/quiz/64235

Sample Questions

Q1) A sample of gas weighs 0.250 g and occupies a volume of 112 cm³ at 0 °C and 1 atm.The molar mass of the gas is ________.

A)25.0 g/mol

B)50.0 g/mol

C)2.23 g/mol

D)8.0 g/mol

E)200 g/mol

Q2) A balloon filled with helium gas at 20 °C occupies 4.91 L at 1.00 atm.The balloon is immersed in liquid nitrogen at -196 °C,while the pressure is raised to 5.20 atm.What is the volume of the balloon in the liquid nitrogen?

A)0.25 L

B)3.6 L

C)6.7 L

D)97 L

Q3) The relationship between the "absolute temperature" on the Kelvin scale and the Celsius temperature is given by T(K)= 5/8[t(°C)] - 32.

A)True

B)False

To view all questions and flashcards with answers, click on the resource link above. Page 8

Chapter 7: Thermochemistry

Available Study Resources on Quizplus for this Chatper

125 Verified Questions

125 Flashcards

Source URL: https://quizplus.com/quiz/64236

Sample Questions

Q1) The standard heat of formation of solid ammonium bromide is -270.8 kJ/mol.Write the chemical equation for the reaction to which this value applies.

Q2) Determine the enthalpy change in the following equation: Cl₂(g)+ H₂O(l) 2 HCl(g)+ 1/2 O₂(g) _fH° H₂O(l)= -285.8 kJ/mol _fH° HCl(g)= -92.31 kJ/mol

A)193.5 kJ/mol

B)-470.4 kJ/mol

C)470.4 kJ/mol

D)101.2 kJ/mol

E)-101.2 kJ/mol

Q3) A 50.0 g sample of liquid water at 25.0 °C is mixed with 23.0 g of water at 89.0 °C.The final temperature of the water is ________ °C.

A)132

B)27.3

C)57.0

D)260

E)45.2

To view all questions and flashcards with answers, click on the resource link above. Page 9

Chapter 8: Electrons in Atoms

Available Study Resources on Quizplus for this Chatper

123 Verified Questions

123 Flashcards

Source URL: https://quizplus.com/quiz/64237

Sample Questions

Q1) Four of the 3d orbitals are alike except for the orientation with respect to the axes.

A)True

B)False

Q2) Which element has the ground-state electron configuration [Rn]7s² 6^d²?

A)Rf

B)Sg

C)Th

D)Pa

Q3) What is the energy in joules of a mole of photons with the energy of the 656 nm spectral line of hydrogen?

A)2.62 × 10^-7J

B)78.3 J

C)3.03J

D)8.73 × 10^-25J

E)1.82 × 10⁵J

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

Chapter 9: The Periodic Table and Some Atomic Properties

Available Study Resources on Quizplus for this Chatper

93 Verified Questions

93 Flashcards

Source URL: https://quizplus.com/quiz/64238

Sample Questions

Q1) Why is the electron affinity slightly positive for some of the group 2 elements?

A)The added electron would have to go into a new shell.

B)The added electron would have to be added into the half-filled p subshell.

C)The added electron would have to be added into the p subshell.

D)The groups 2 elements are diatomic elements.

E)Electrons can't be added to metals.

Q2) Moseley used X-rays to determine the atomic mass of each element.

A)True

B)False

Q3) Which atom in each group (I and II)has the smallest atomic radius?

(I)Ba,Hf,At

(II)As,Sb,Bi

A)Ba;As

B)Ba;Bi

C)At;As

D)At;Bi

Q4) The ionization energy is the energy required for a gaseous atom to lose an electron.

A)True B)False

To view all questions and flashcards with answers, click on the resource link above. Page 11

Chapter 10: Chemical Bonding I: Basic Concepts

Available Study Resources on Quizplus for this Chatper

107 Verified Questions

107 Flashcards

Source URL: https://quizplus.com/quiz/64239

Sample Questions

Q1) A Lewis structure is a combination of Lewis symbols representing either the transfer or the sharing of electrons in a chemical bond.

A)True

B)False

Q2) Which chloride should have the greatest covalent character?

A)NaCl

B)BeCl₂

C)KCl

D)BaCl₂

E)CaCl₂

Q3) Which compound would be expected to have the shortest nitrogen-nitrogen bond?

A)H₂NNH₂

B)HNNH

C)N₂

D)O₂NNO₂

E)(CH₃)₂NNH₂

Q4) In a Lewis structure,the number of valence electrons shown is one less for each negative charge.

A)True

B)False

Page 12

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

Chapter 11: Chemical Bonding Ii: Valence Bond and

Molecular Orbital Theories

Available Study Resources on Quizplus for this Chatper

104 Verified Questions

104 Flashcards

Source URL: https://quizplus.com/quiz/64240

Sample Questions

Q1) What is the molecular geometry of ClF₄ ^-?

A)seesaw

B)square planar

C)square pyramidal

D)tetrahedral

Q2) Which of the pairs of molecules below have the same hybridization on the central atom? (The central atom is underlined. )

A)HOCl,ClF₃

B)H₂O,HNO

C)HCN,CO₂

D)BeH₂,NH₃

E)H₃COH,CH₂O

Q3) Which statement regarding VB theory is INCORRECT?

A)A single bond is a sigma bond.

B)A triple bond is two sigma bonds and a pi bond.

C)A double bond requires each atom to have an unhybridized p orbital.

D)Both atoms in a triple bond have linear geometry.

E)sp³ hybridization produces tetrahedral geometry.

To view all questions and flashcards with answers, click on the resource link above. Page 13

Chapter 12: Intermolecular Forces: Liquids and Solids

Available Study Resources on Quizplus for this Chatper

121 Verified Questions

121 Flashcards

Source URL: https://quizplus.com/quiz/64241

Sample Questions

Q1) The heat of deposition equals the negative of the heat of ________.

A)fusion

B)condensation

C)sublimation

D)solidification

E)reposition

Q2) The heat of fusion for water is 6.01 kJ/mol and for ethyl alcohol is 5.01 kJ/mol.The amount of heat that would melt 25.0 grams of water would melt how many grams of ethyl alcohol?

A)76.7 g

B)53.3 g

C)11.7 g

D)8.2 g

E)30.0 g

Q3) An atom at the corner of cubic unit cell is shared among:

A)six adjoining unit cells

B)four adjoining unit cells

C)eight adjoining unit cells

D)ten adjoining unit cells

E)twelve adjoining unit cells

To view all questions and flashcards with answers, click on the resource link above. Page 14

Chapter 13: Spontaneous Change: Entropy and Gibbs Energy

Available Study Resources on Quizplus for this Chatper

123 Verified Questions

123 Flashcards

Source URL: https://quizplus.com/quiz/64242

Sample Questions

Q1) What is _rG° at 25 °C?

CO₂(g) CO₂(aq) _rH° = -19.4 kJ _rS° = 92.3 J/K

A)2.1 kJ

B)-46.9 kJ

C)-17.1 kJ

D)-19.5 kJ

E)-21.7 kJ

Q2) The chemical potential of a substance,m,represents the ability of a substance to change the Gibbs energy of a system.

A)True

B)False

Q3) Order the following by increasing entropy.

CO(g),COCl₂(g),CO₂(g),CaO(s)

A)CO₂ < CO < CaO < COCl₂

B)CaO < CO < CO₂ < COCl₂

C)COCl₂ < CO < CaO < CO₂

D)CO₂ < CaO < COCl₂ < CO

E)CO < CaO < COCl₂ < CO₂

Page 15

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

Chapter 14: Solutions and Their Physical Properties

Available Study Resources on Quizplus for this Chatper

132 Verified Questions

132 Flashcards

Source URL: https://quizplus.com/quiz/64243

Sample Questions

Q1) An unsaturated solution will have some undissolved solid in the bottom of the container.

A)True

B)False

Q2) 100 mL of LiNO₃(aq),0.241 M is mixed with 240 mL of 0.618 M

Ca(NO₃)₂(aq).What is the final concentration of NO₃^-(aq)in the solution?

A)0.508 M

B)1.01 M

C)0.943 M

D)0.756 M

E)1.38 M

Q3) A solution prepared by dissolving 4.00 g KCl in 36.0 g H₂O is said to be:

A)11.1% KCl by mass

B)0.100% KCl by mass

C)0.111% KCl by mass

D)10.0% KCl by mass

E)9.00% KCl by mass

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

Page 16

Chapter 15: Principles of Chemical Equilibrium

Available Study Resources on Quizplus for this Chatper

118 Verified Questions

118 Flashcards

Source URL: https://quizplus.com/quiz/64244

Sample Questions

Q1) For the reaction: N₂(g)+ 2 O₂(g) 2 NO₂(g),K_c = 8.3 × 10^-10 M^-1at 25 °C.What is the concentration of N₂ gas at equilibrium when the concentration of NO₂ is five times the concentration of O₂ gas?

A)3.3 × 10^-¹¹ mol L^-1

B)1.7 × 10^-10 mol L^-1

C)6.0 × 10⁹ mol L^-1

D)3.0 × 10¹⁰ mol L^-1

Q2) The value of the equilibrium constant for a given reaction depends on the initial concentrations of reactants.

A)True

B)False

Q3) One method to aid in working out equilibrium problems is the ICE table.

A)True

B)False

Q4) For a solute (X)aq,in an ideal aqueous solution,its activity equals its concentration.

A)True

B)False

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

Chapter 16: Acids and Bases

Available Study Resources on Quizplus for this Chatper

137 Verified Questions

137 Flashcards

Source URL: https://quizplus.com/quiz/64245

Sample Questions

Q1) What is the pH of a 0.475 M aqueous solution of sodium nitrite? Ka (nitrous acid)= 7.2 × 10^-4

A)8.58

B)8.41

C)12.27

D)5.42

E)5.59

Q2) What is the pH of a 0.375 M aqueous solution of benzoic acid? K_a = 6.3 × 10^-5

A)8.9

B)5.1

C)2.3

D)0.43

E)11.7

Q3) At 25 °C,the pH of pure water is: A)0

B)>0,<7

C)7

D)>7,<14

E)14

To view all questions and flashcards with answers, click on the resource link above. Page 18

Chapter 17: Additional Aspects of Acidbase Equilibria

Available Study Resources on Quizplus for this Chatper

130 Verified Questions

130 Flashcards

Source URL: https://quizplus.com/quiz/64246

Sample Questions

Q1) What is the pH of a solution made by mixing 30.00 mL of 0.10 mol L^-1 aqueous acetic acid (CH₃COOH)with 50.00 mL of 0.100 mol L^-1 KOH(aq)? Assume that the volumes of the solutions are additive.K_a = 1.8 × 10^-5for CH₃COOH

A)8.26

B)9.26

C)11.13

D)12.40

Q2) Phenol red indicator changes from yellow to red in the pH range from 6.6 to 8.0.State what color the indicator will assume in the following solution: 0.1 M NaCl(aq).

A)red

B)yellow

C)red-yellow mixture

D)orange

E)The indicator keeps its original color.

Q3) Mixing comparable amounts of a strong acid and its conjugate base will form a buffer.

A)True

B)False

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

Page 19

Chapter 18: Solubility and Complex-Ion Equilibria

Available Study Resources on Quizplus for this Chatper

104 Verified Questions

104 Flashcards

Source URL: https://quizplus.com/quiz/64247

Sample Questions

Q1) Write the solubility product constant expression for the following salt: Ca(OH)₂(s).

A)[Ca²⁺][OH^-]

B)[Ca²⁺]²[OH^-]

C)[Ca²⁺]³[OH^-]

D)[Ca²⁺]²[OH^-]²

E)[Ca²⁺][OH^-]²

Q2) What is the molar solubility of AgCl(s)in 0.10 mol L^-1 NaCN(aq)if the colourless complex ion Ag(CN)₂^-(aq)forms? K_sp for AgCl(s)is 1.8 × 10^-10 and K_f for Ag(CN)₂^-(aq)is 1.0 × 10²¹.

A)0.050 mol L^-1

B)0.10 mol L^-1

C)0.20 mol L^-1

D)0.40 mol L^-1

Q3) Qualitative cation analysis has been replaced in recent years by instrumental analysis.

A)True

B)False

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

Page 20

Chapter 19: Electrochemistry

Available Study Resources on Quizplus for this Chatper

127 Verified Questions

127 Flashcards

Source URL: https://quizplus.com/quiz/64248

Sample Questions

Q1) Choose the INCORRECT statement.

A)When a half reaction is reversed,the sign of the potential is changed.

B)Reversing a half reaction makes it a reduction potential.

C)Each electrochemical cell consists of a reduction half cell and an oxidation half cell.

D)A voltaic cell is also called a battery.

E)The potential difference of a cell is the voltage of the cell.

Q2) One mole of electrons has a charge of:

A)96,485 A

B)1.60 × 10^-19

C)6.02 × 10²³ A

D)96,485 C

E)96,485 F

Q3) Calculate the mass of I₂(s)produced at the anode if a current of 2.85 A is passed through a solution of KI(aq)for 56 minutes.

A)0.42 g

B)0.13 g

C)13 g

D)25 g

E)4.3 g

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

Page 21

Chapter 20: Chemical Kinetics

Available Study Resources on Quizplus for this Chatper

124 Verified Questions

124 Flashcards

Source URL: https://quizplus.com/quiz/64249

Sample Questions

Q1) Why is rate = k[HgCl₂] ²[C₂O₄^2-] not the rate law for the following mechanism?

2 HgCl₂ + C₂O₄^2- 2 Cl^- + 2 CO₂ + Hg₂Cl₂ (overall reaction)

HgCl₂ + C₂O₄^2- HgCl₂C₂O₄^2- (fast)

HgCl₂C₂O₄^2- + C₂O₄^2- Hg + 2 C₂O₄Cl^2- (slow)

Hg + HgCl₂ Hg₂Cl₂ (fast)

2 C₂O₄Cl^2- C₂O₄^2- + 2 Cl^- + 2 CO₂ (fast)

A)The rate law is not based on the slow step of the proposed mechanism.

B)The steps do not add to the overall reaction.

C)The rate law does not agree with the overall reaction.

D)The exponents of HgCl₂ and C₂O₄^2- are not equal.

E)The first step is not the slow step.

To view all questions and flashcards with answers, click on the resource link above. Page 22

Chapter 21: Chemistry of the Main-Group Elements I:

Groups 1,2,13,and 14

Available Study Resources on Quizplus for this Chatper

116 Verified Questions

116 Flashcards

Source URL: https://quizplus.com/quiz/64250

Sample Questions

Q1) An analysis of a Solvay plant show that for every 4.30 tons of NaCl consumed,4.75 tons of NaHCO₃ is obtained.What is the % efficiency of this process for converting NaCl to NaHCO₃?

A)76.8%

B)61.8%

C)63.0%

D)158%

E)90.5%

Q2) Which of the following metal hydroxides has the lowest solubility?

A)NaOH

B)LiOH

C)Mg(OH)₂

D)Ba(OH)₂

E)Sr(OH)₂

Q3) In diborane,B₂H₆,the hybridization of each boron is:

A)sp³

B)sp²

C)sp³^d

D)sp

E)sp³^d²

Page 23

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

Chapter 22: Chemistry of the Main-Group Elements Ii:

Groups 18,17,16,15,and Hydrogen

Available Study Resources on Quizplus for this Chatper

100 Verified Questions

100 Flashcards

Source URL: https://quizplus.com/quiz/64251

Sample Questions

Q1) Choose the INCORRECT statement.

A)Hydroxylammine,NH₂OH,is a weak acid.

B)Laughing gas,an anesthetic used in dentistry,is N₂O.

C)Nitrogen forms oxides with oxidation states that range between +1 and +5.

D)Azides contain the N₃^- ion.

E)An acid anhydride reacts with water to form an acid.

Q2) Write a balanced half equation for the following couple: O₂(g)| OH^-(aq)(basic)

A)O₂(g)+ OH^-(aq)+ 4 e^- 2 H₂O(l) B)O₂(g)+ 2 H₂O(l)+ 4 e^- 4 OH^-(aq)

C)O₂(g)+ H₂O(l)+ e^- 2 OH^-(aq)

D)O₂(g)+ 2 H₂O(l) 4 OH^-(aq)+ 4 e^- E)O₂(g)+ 2 H₂O(l)+ 4 e^- 8 OH^-(aq)

Q3) Oxygen is obtained commercially from air by fractional distillation.

A)True

B)False

Page 24

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

Chapter 23: The Transition Elements

Available Study Resources on Quizplus for this Chatper

108 Verified Questions

108 Flashcards

Source URL: https://quizplus.com/quiz/64252

Sample Questions

Q1) Which of the following elements is likely to have an atomic radius of 124 pm?

A)Fe

B)Ru

C)Os

D)Mo

Q2) Galvanized steel is iron coated with cadmium to prevent rust.

A)True

B)False

Q3) Transition group elements differ from main group metals in several ways.Which differences of the following are correct?

A)many of the metals and their compounds having catalytic activity

B)many of the hydrated cations having distinctive colors

C)most of their compounds having bonds that involve d orbitals

D)many of the metals being paramagnetic,but none ferromagnetic

E)most having more than one common oxidation state

Q4) How many d electrons are there in CrO₇^2-?

A)0

B)1

C)2

D)3

To view all questions and flashcards with answers, click on the resource link above. Page 25

Chapter 24: Complex Ions and Coordination Compounds

Available Study Resources on Quizplus for this Chatper

104 Verified Questions

104 Flashcards

Source URL: https://quizplus.com/quiz/64253

Sample Questions

Q1) High spin refers to the maximum number of ligands attached to the metal ion.

A)True

B)False

Q2) The [Fe(CN)₆]^3- complex ion:

A)exhibits square planar geometry

B)is diamagnetic

C)exhibits octahedral geometry

D)has two unpaired electrons

E)has four unpaired electrons

Q3) Which element possesses the smallest number of unpaired electrons?

A)Co

B)Cr

C)Cu

D)Mn

E)Fe

Q4) Which ion would you expect to have the largest crystal field splitting, ?

A)[Rh(CN)₆]^4-

B)[Rh(CN)₆]^3-

C)[Rh(H₂O)₆]²⁺

D)[Rh(H₂O)₆]³⁺

To view all questions and flashcards with answers, click on the resource link above. Page 26

Chapter 25: Nuclear Chemistry

Available Study Resources on Quizplus for this Chatper

116 Verified Questions

116 Flashcards

Source URL: https://quizplus.com/quiz/64254

Sample Questions

Q1) The unit of radiation which is equivalent to 0.010 J/kg of matter is the:

A)curie

B)roentgen

C)rad

D)rem

E)MeV

Q2) What is the binding energy,in amu,of ¹³C? Masses are: proton = 1.00728 amu,neutron = 1.00867 amu,electron = 0.00055 amu,and ¹³C = 13.00335 amu.

A)0.10432 amu

B)0.0102 amu

C)0.10487 amu

D)0.10817 amu

E)0.00335 amu

Q3) Choose the INCORRECT statement.

A)Fusion is the basis of the hydrogen bomb.

B)Fusion is the splitting of a nucleus into two smaller nuclei.

C)Fusion is a reaction that occurs on the sun.

D)Fusion is not now used to produce electricity commercially.

E)Fusion can produce an almost unlimited amount of energy.

To view all questions and flashcards with answers, click on the resource link above. Page 27

Chapter 26: Structures of Organic Compounds

Available Study Resources on Quizplus for this Chatper

99 Verified Questions

99 Flashcards

Source URL: https://quizplus.com/quiz/64255

Sample Questions

Q1) You found an organic compound containing chiral carbon atom with the following four substituents: HC C-,Cl-,O=C- and H₂C=CH-.What would be the correct order of their priorities?

A)HC C- > O=C- > Cl- > H₂C=CH-

B)Cl- > HC C- > O=C- > H₂C=CH-

C)Cl- > O=C- > HC C- > H₂C=CH-

D)Cl- > O=C-> H₂C=CH- > HC C-

E)O=C- > Cl- > HC C- > H₂C=CH-

Q2) Cis-trans isomerism is a type of isomerism generally known as stereoisomerism.

A)True

B)False

Q3) Name the following compound: CH₃CH₂NHCH₃.

A)aminopropane

B)aminomethylethane

C)methylaminoethane

D)propylamine

E)ethylmethylamine

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

Page 28

Chapter 27: Reactions of Organic Compounds

Available Study Resources on Quizplus for this Chatper

94 Verified Questions

94 Flashcards

Source URL: https://quizplus.com/quiz/64256

Sample Questions

Q1) Markovnikof's rule predicts that when HBr is added to an unsymmetrical alkene or alkyne,the H atom will add to which carbon atom?

A)the carbon with the fewest attached hydrogens

B)the carbon with the Br

C)the carbon with the most attached hydrogens

D)the carbon next to the double or triple bond

E)HBr does not react with unsymmetrical alkenes or alkynes

Q2) What is "retrosynthesis"?

A)a chemical analysis followed by chemical synthesis

B)a chemical synthesis followed by chemical analysis

C)a synthetic procedure designed to check old synthetic procedure

D)a synthetic strategy that works from the desired compound towards starting materials

E)a synthetic strategy that works from the starting materials towards desired product

Q3) Nucleophiles are electron poor atoms,ions or groups.

A)True

B)False

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

Chapter 28: Chemistry of the Living State

Available Study Resources on Quizplus for this Chatper

104 Verified Questions

104 Flashcards

Source URL: https://quizplus.com/quiz/64257

Sample Questions

Q1) A typical E.coli bacterium is a cylindrical cell about 2 m long and 1 m in diameter,weighing about 1.8 × 10^-12 g and containing 80% water by volume.Calculate the number of lipid molecules present,assuming their average molecular weight is 688 g/mol and the lipid content is 1.9%.

A)8.3 × 10¹⁰

B)2.1 × 10¹⁰

C)2.4 × 10⁷

D)1.6 × 10⁹

E)3.0 × 10⁷

Q2) Which of the following is a polysaccharide?

A)ribose

B)fructose

C)glucose

D)glycogen

E)pentose

Q3) Which of the following combinations make up the nucleic acid,RNA?

A)phosphate ribose and the bases A,G,U,C

B)phosphate ribose and the bases A,G,T,C

C)phosphate deoxyribose and the bases A,G,T,C

D)phosphate deoxyribose and the bases A,G,U,C

To view all questions and flashcards with answers, click on the resource link above. Page 30