General Chemistry
Textbook Exam Questions
Course Introduction
General Chemistry provides students with a foundational understanding of chemical principles and their applications. Topics covered include atomic and molecular structure, chemical bonding, stoichiometry, thermodynamics, kinetics, equilibrium, acids and bases, and basic concepts of electrochemistry. Through lectures, laboratory experiments, and problem-solving sessions, students gain skills in quantitative reasoning, data analysis, and scientific experimentation, preparing them for further studies in chemistry, biology, environmental science, medicine, and engineering.
Recommended Textbook Chemistry An Introduction to General Organic and Biological Chemistry 12th Edition by Karen C.
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Page 2
Chapter 1: Chemistry in Our Lives
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Sample Questions
Q1) In order to enhance your learning in chemistry,you should not ________.
A)study a little every day
B)form a study group
C)go to office hours
D)be an active learner
E)wait until the night before the exam to study
Answer: E
Q2) When a part of the body is injured,substances called ________ are released.
A)aspirins
B)pain relievers
C)nitrogen oxides
D)chlorofluorocarbons
E)prostaglandins
Answer: E
Q3) The first step in the scientific method is to________.
Answer: make observations
Q4) 5 207 000
Answer: 5.207 × 11ea71d0_de1c_15da_91e5_151deacf7932_TB6077_11
Q5) The chemical used to make cans and foil is ________.
Answer: aluminum
3
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Chapter 2: Chemistry and Measurement
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Sample Questions
Q1) The amount of space occupied by a substance is its ________.
A)mass
B)density
C)weight
D)length
E)volume
Answer: E
Q2) According to the United States Food and Drug Administration,the recommended daily requirement of protein is 44 g.This is ________ of protein.
A)1248.5 oz
B)320 000 oz
C)1.6 oz
D)0.0605 oz
E)150 000 oz
Answer: C
Q3) 25 225
Answer: 25 200
Q4) 0.003 4088
Answer: 0.00341
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Chapter 3: Matter and Energy
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Sample Questions
Q1) One cup of kidney beans contains 15 g of protein,1 g of fat,and 42 g of carbohydrate.How many kilocalories,to two significant figures,does this sample contain? (The caloric values are: 4 kcal/g for carbohydrate,9 kcal/g for fat,and 4 kcal/g for protein.)
A)60.kcal
B)88 kcal
C)230 kcal
D)240 kcal
E)520 kcal
Answer: D
Q2) Which of the following is an element?
A)tin
B)water
C)salt
D)sugar
E)iced tea
Answer: A
Q3) A car driving on the freeway has ________ energy. Answer: kinetic
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Chapter 4: Atoms and Elements
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Sample Questions
Q1) Atomic size decreases going from left to right within a period.
A)True
B)False
Q2) The atomic size of atoms ________.
A)increases going across a period
B)decreases going across a period
C)decreases going down within a group
D)does not change going across a period
E)none of the above
Q3) iron
A)Ir
B)Fs
C)Fe
D)In
E)FE
Q4) An argon atom 18 electrons in the third energy level.
A)True
B)False
Q5) The symbol for sodium is ________.
Q6) The symbol for sulfur is ________.
Page 6
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Chapter 5: Nuclear Chemistry
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Sample Questions
Q1) Iodine 131 has a half-life of 8.0 days.An I-131 sample has an initial activity of 32 mCi.What is the activity after 24 days?
A)96 mCi
B)16.mCi
C)8.0 mCi
D)4.0 mCi
E)2.0 mCi
Q2) The unit used to measure the amount of radiation absorbed by a gram of material is called the ________.
A)rad
B)sievert
C)curie
D)rem
E)Bq
Q3) The time needed for a radioactive sample to decay to one-half of its original activity is called the ________.
Q4) When beta particles are emitted,the atomic number decreases.
A)True
B)False
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Chapter 6: Ionic and Molecular Compounds
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Sample Questions
Q1) The strongest attractive forces between molecules of HBr are dipole-dipole attractions.
A)True
B)False
Q2) Elements in group 2A (2)of the periodic table form ions with a charge of ________.
A)1+
B)1-
C)2+
D)3+
E)0
Q3) carbon tetrachloride
Q4) The shape of the ammonia molecule (NH<sub>3</sub>)is ________.
A)linear
B)trigonal planar
C)trigonal pyramidal
D)tetrahedral
E)bent
Q5) carbon dioxide
Q6) nitrogen trichloride
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Chapter 7: Chemical Quantities and Reactions
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Sample Questions
Q1) Calculate the molar mass of magnesium chloride,MgCl<sub>2</sub>
A)24.31 g/mole
B)95.21 g/mole
C)125.9 g/mole
D)59.76 g/mole
E)70.90 g/mole
Q2) 0.100 mole of lithium has a mass of ________.
A)3.00 g
B)0.300 g
C)6.94 g
D)0.694 g
E)0.700 g
Q3) What is the coefficient for water in the balanced equation?
A)2
B)4
C)5
D)6
E)8
Q4) What type of reaction is the following? 2KClO<sub>3</sub> 2KCl + 3O<sub>2</sub>
Page 9
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Chapter 8: Gases
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Sample Questions
Q1) The force of gas particles against the walls of a container is called ________.
A)pressure
B)volume
C)temperature
D)quantity of gas
E)density
Q2) The pressure of 5.0 L of gas increases from 1.50 atm to 1240 mmHg.What is the final volume of the gas,assuming constant temperature?
A)4100 L
B)5.0 L
C)0.0060 L
D)5.4 L
E)4.6 L
Q3) A temperature of 125 °C is the same as ________.
A)-148 K
B)398 K
C)257 K
D)530.K
E)273 K
Q4) What is the volume,in L,of 36.0 g of CH<sub>4</sub> at STP?
Page 10
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Chapter 9: Solutions
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Sample Questions
Q1) If a red blood cell is placed in 1% glucose solution,the red blood cell will________.
Q2) Which solution is isotonic to a red blood cell?
A)water
B)0.5% NaCl
C)2% glucose
D)0.9% NaCl
E)10% glucose
Q3) If 450.mL of 6.0 M KBr solution is diluted to 900.mL,the concentration of the KBr solution is _____M.
Q4) What is the concentration,in mass percent (m/m),of a solution prepared from 50.0 g NaCl and 150.0 g of water?
A)0.250% (m/m)
B)33.3% (m/m)
C)40.0% (m/m)
D)25.0% (m/m)
E)3.00% (m/m)
Q5) A 2.0% (m/v)NaCl solution contains ________ g NaCl in 300.mL of solution.
Q6) A substance that produces only a small number of ions in solution is known as a ________ electrolyte.
Page 11
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Chapter 10: Acids and Bases and Equilibrium
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Sample Questions
Q1) The name given to an aqueous solution of HBr is ________.
A)hydrogen bromide
B)hydrobromic acid
C)bromic acid
D)bromous acid
E)hypobromous acid
Q2) A system is at equilibrium when the rate of the forward and reverse reactions are equal.
A)True
B)False
Q3) Which one of the following is characteristic of an acid?
A)produces H<sub>3</sub>O<sup>+</sup> in water
B)has a bitter taste
C)has a slippery,soapy feel
D)turns litmus blue
E)is insoluble in water
Q4) An acidic solution has a pH less than 7.0.
A)True
B)False
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Chapter 11: Introduction to Organic Chemistry: Hydrocarbons
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Sample Questions
Q1) A formula that shows the arrangement of all bonds in a molecule is called a(n)________.
A)molecular formula
B)expanded structural formula
C)condensed structural formula
D)condensed molecular formula
E)isomeric formula
Q2) Light-induced cis-trans isomerization is an important step in vision.
A)True
B)False
Q3) The carbon atoms in saturated hydrocarbons ________.
A)have only single bonds
B)contain at least one double bond
C)contain at least one triple bond
D)contain a benzene ring
E)contain both a double and a triple bond
Q4) One essential building block of aspirin,ibuprofen,and acetaminophen is the benzene ring.
A)True
B)False
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Chapter 12: Alcohols, Thiols, Ethers, Aldehydes, and Ketones
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Sample Questions
Q1) What classification of alcohol is resistant to oxidation?
A)primary
B)secondary
C)tertiary
D)quaternary
E)none
Q2) A primary alcohol has a hydroxyl group bonded to a(n)________.
A)carbon bonded to one alkyl group
B)carbon bonded to two alkyl groups
C)carbon bonded to three alkyl groups
D)aromatic carbon
Q3) Tertiary alcohols cannot be oxidized because ________.
A)there are no oxygen atoms to remove from the alcohol carbon
B)there are no hydrogen atoms attached to the alcohol carbon
C)the alcohol carbon is bonded to four groups so no oxygen can be added to it
D)the alcohol carbon is bonded to four groups so no hydrogen can be added to it
E)the alcohol carbon is too electronegative to have hydrogen removed from it
Q4) A tertiary alcohol can be easily oxidized to a carboxylic acid.
A)True
B)False
Page 14
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Chapter 13: Carbohydrates
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Sample Questions
Q1) Galactose is a ________.
A)monosaccharide
B)disaccharide
C)trisaccharide
D)polysaccharide
E)phosphosaccharide
Q2) Galactosemia is the name of a metabolic disorder.In this disorder,an enzyme is missing that is needed to ________.
A)make galactose from lactose
B)make lactose from galactose
C)convert galactose to glycogen
D)convert galactose to glucose
E)convert -galactose to -galactose
Q3) In the carbon cycle,carbon dioxide and water are converted to glucose and oxygen by ________.
A)large animals
B)insects
C)mushrooms
D)green plants
E)earthworms
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Chapter 14: Carboxylic Acids, Esters, Amines, and Amides
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Sample Questions
Q1) Amines do not form hydrogen bonds.
A)True
B)False
Q2) What prefix is used to show that a small alkyl group is attached to the nitrogen of aniline and not to the aromatic ring?
A)N-
B)C-
C)Roman numerals
D)Greek letters
E)iso-
Q3) The prefix meth- means that there is one less methyl group on the nitrogen atom of an amine.
A)True
B)False
Q4) Quinine is an alkaloid used for treatment of malaria.
A)True
B)False
Q5) Aspirin substitutes may contain amide rather than ester functional groups.
A)True
B)False
Page 16
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Chapter 15: Lipids
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Sample Questions
Q1) A lipoprotein particle functions to ________.
A)dissolve polar lipids for excretion
B)metabolize lipids into new substances
C)dissolve polar lipids in urine
D)transport nonpolar lipid to body cells
E)store lipids in the tissues
Q2) In the fluid-mosaic model that describes cell membranes,________.
A)there are three layers of phospholipid molecules
B)two layers of phospholipid molecules have their nonpolar sections oriented to the inside of the membrane
C)two layers of phospholipid molecules have their nonpolar sections along the outer surface of the membrane
D)A single row of phospholipid molecules forms a barrier between the inside and outside of the cell
E)two layers of proteins separate the contents inside a cell from the surrounding fluids
Q3) Fish such as salmon and tuna are high in omega-3 fatty acids.
A)True
B)False
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Chapter 16: Amino Acids, Proteins, and Enzymes
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Sample Questions
Q1) Hydrophobic interactions help to stabilize the ________ structure(s)of a protein.
A)primary
B)secondary
C)secondary and tertiary
D)tertiary and quaternary
E)secondary and quaternary
Q2) An acid can denature a protein by ________.
A)agitating the protein chains
B)disrupting hydrogen bonds between side chains
C)disrupting hydrophobic interactions within a protein chain
D)removing helping molecules such as heme
E)breaking disulfide bridges
Q3) The fibrous protein responsible for the structure of hair and wool is ________.
A)keratin
B)collagen
C)endorphin
D)myosin
E)casein
Q4) The protein that transports oxygen in the blood is ________.
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Chapter 17: Nucleic Acids and Protein Synthesis
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Sample Questions
Q1) Translation is the process whereby ________.
A)DNA is synthesized from DNA
B)DNA is synthesized from mRNA
C)protein is synthesized from DNA
D)protein is synthesized from mRNA
E)mRNA is synthesized from DNA
Q2) In the DNA double helix,a purine can only pair with a pyrimidine.
A)True
B)False
Q3) What tripepetide is coded for by the following mRNA sequence? -UUU AGA CCA-
A)Phe-Pro-Arg
B)Pro-Arg-Phe
C)Phe-Arg-Pro
D)Leu-Pro-Arg
E)Phe-Thr-Pro
Q4) The codon AGA codes for serine.
A)True
B)False
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Chapter 18: Metabolic Pathways and Energy Production
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Sample Questions
Q1) FAD is a coenzyme which usually participates in ________.
A)oxidation of alcohols to aldehydes
B)formation of carbon-carbon double bonds
C)decarboxylation reactions
D)phosphorylation reactions
E) -oxidation reactions
Q2) In a(n)________ reaction, NH<sub>4</sub><sup>+</sup> is produced when glutamate is converted to -ketoglutarate.
A)dehydrogenation
B)transamination
C)oxidative deamination
D)reduction
E)hydration
Q3) process 10
Q4) Digestion of carbohydrates begins in the ________.
A)mouth
B)stomach
C)pancreas
D)small intestine
E)large intestine
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