General Chemistry
Midterm Exam
Course Introduction
General Chemistry introduces students to the fundamental principles of chemistry, including atomic and molecular structure, chemical bonding, stoichiometry, states of matter, thermochemistry, chemical equations, and properties of solutions. The course emphasizes key concepts such as the periodic table, chemical reactions, and the quantitative relationships in chemical processes. Through lectures, laboratory experiments, and problem-solving exercises, students develop a foundational understanding of chemical principles and their relevance to real-world applications across the sciences and engineering.
Recommended Textbook
CHEM2 Chemistry in Your World 2nd Edition by Hogg
Available Study Resources on Quizplus
19 Chapters
1151 Verified Questions
1151 Flashcards
Source URL: https://quizplus.com/study-set/3763
Page 2
Chapter 1: Living in a World of Chemistry
Available Study Resources on Quizplus for this Chatper
21 Verified Questions
21 Flashcards
Source URL: https://quizplus.com/quiz/75034
Sample Questions
Q1) What is the approximate population of the world?
A) 6,000,000 people
B) about 3 billion people
C) over 6,000,000,000 people
D) 2,000,000 people
Answer: C
Q2) The map of the complete human DNA sequence was
A) completed in 1990.
B) done exclusively in not-for-profit research labs.
C) completed exclusively in for-profit research labs.
D) completed in 2003.
Answer: D
Q3) Which is considered a fossil fuel?
A) coal
B) solar
C) wind
D) hydrothermal
Answer: A
To view all questions and flashcards with answers, click on the resource link above. Page 3
Chapter 2: The Chemical View of Matter
Available Study Resources on Quizplus for this Chatper
59 Verified Questions
59 Flashcards
Source URL: https://quizplus.com/quiz/75035
Sample Questions
Q1) What prefix is the largest?
A) mega
B) centi
C) micro
D) kilo
Answer: A
Q2) The most common unit of volume used in chemistry is the millimeter.
A)True
B)False
Answer: False
Q3) The chemical symbol for copper is_________.
Answer: Cu
Q4) Glucose has the chemical formula C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>. In one molecule of glucose there are 24 atoms.
A)True
B)False
Answer: True
Q5) Mg is the chemical symbol for ____________________. Answer: magnesium
To view all questions and flashcards with answers, click on the resource link above. Page 4
Chapter 3: Atoms and the Periodic Table
Available Study Resources on Quizplus for this Chatper
112 Verified Questions
112 Flashcards
Source URL: https://quizplus.com/quiz/75036
Sample Questions
Q1) Which subatomic particles are found in the nucleus of <sup>32</sup>P atom?
A) 15 protons, 15 electrons, 17 neutrons
B) 15 protons, 15 electrons, 32 neutrons
C) 15 protons, 32 neutrons
D) 15 protons, 17 neutrons
Answer: D
Q2) The STM, scanning tunneling microscope, shows
A) the outer boundary surface of the electrons in an atom
B) number of excited electrons in an atom
C) the charge on the nucleus
D) the mass of the nucleus
Answer: A
Q3) In the following set, which atom is the smallest?
A) Ar
B) Mg
C) Cl
D) Si
Answer: A
Q4) The element with atomic number 35 belongs to the ____________family.
Answer: halogen
Page 5
To view all questions and flashcards with answers, click on the resource link above.
Chapter 4: The Air We Breathe
Available Study Resources on Quizplus for this Chatper
48 Verified Questions
48 Flashcards
Source URL: https://quizplus.com/quiz/75037
Sample Questions
Q1) Air with a ozone concentration of 0.0545 ppm has an air quality descriptor of "Good".
A)True
B)False
Q2) When coal and fuel oil are burned, what two primary pollutants are formed?
A) SO<sub>2</sub> and CO<sub>2</sub>
B) HNO<sub>3</sub> and H<sub>2</sub>SO<sub>4</sub>
C) CO and O<sub>3</sub>
D) hydrocarbons and NO<sub>2</sub>
Q3) Which is not necessary for photochemical smog?
A) sulfur dioxide
B) sunlight
C) free radicals
D) nitrogen dioxide
Q4) Which source is responsible for the greatest NOx emissions in the United States?
A) lightning
B) biomass burning
C) fossil fuel combustion
D) microbial activity in soil
Q5) A temperature of -60 °C would most likely be found near the number______.
To view all questions and flashcards with answers, click on the resource link above. Page 6
Chapter 5: Chemical Bonding and States of Matter
Available Study Resources on Quizplus for this Chatper
89 Verified Questions
89 Flashcards
Source URL: https://quizplus.com/quiz/75038
Sample Questions
Q1) When Na and O combine the bonding will be ionic, while when O combines with S the bonding will be covalent.
A)True
B)False
Q2) How do aqueous electrolytes conduct electricity?
A) Dissolved positive ions move to positive electrodes.
B) Electrons migrate from one electrode to the other electrode.
C) Ions pass electrons from ion to ion.
D) Dissolved ions move to oppositely charged electrodes.
Q3) An ion contains 16 protons, 16 neutrons, and 18 electrons. Its charge is
A) 0
B) +2.
C) -2.
D) -18.
Q4) How many nonbonding electrons are in the water molecule?
A) 0
B) 2
C) 4
D) 6
Q5) The total number of single bonds in hexane is__________.
To view all questions and flashcards with answers, click on the resource link above. Page 7
Chapter 6: Carbon Dioxide and the Greenhouse Effect
Available Study Resources on Quizplus for this Chatper
31 Verified Questions
31 Flashcards
Source URL: https://quizplus.com/quiz/75039
Sample Questions
Q1) Which is an example of an anthropogenic contribution to carbon dioxide production?
A) volcanoes
B) burning of fossil fuels
C) forest fires
D) decaying plant and animal material
Q2) Decreases in temperature at night due to radiational cooling are larger on cloudy nights as compared to clear nights.
A)True
B)False
Q3) The gas that is the least efficient in absorbing IR radiation is _________.
Q4) The following correctly ranks the forms of electromagnetic radiation in order of increasing energy (smallest to largest).
UV < Visible < IR
A)True
B)False
Q5) Both CO and CO<sub>2</sub> are considered to be greenhouse gases.
A)True
B)False
To view all questions and flashcards with answers, click on the resource link above. Page 8
Chapter 7: Chlorofluorocarbons and the Ozone Layer
Available Study Resources on Quizplus for this Chatper
29 Verified Questions
29 Flashcards
Source URL: https://quizplus.com/quiz/75040
Sample Questions
Q1) Which molecule absorbs UV-B radiation?
A) O<sub>2</sub>
B) O<sub>3</sub>
C) CO<sub>2</sub>
D) NO<sub>2</sub>
Q2) Which molecule is used as a replacement for CFC?
A) HFC-134a
B) HCFC-123
C) HFC-152a
D) all of the above
Q3) Approximately how many ozone molecules can one chlorine atom derived from one CFC molecule react with?
A) 1 molecule O<sub>3</sub>
B) 100 molecules O<sub>3</sub>
C) 1000 molecules O<sub>3</sub>
D) 100000 molecules O<sub>3</sub>
Q4) The reaction that is identical to a reaction in the cycle by which CFCs destroy ozone is reaction________.
Q5) A reaction that would serve to decrease the amount of oxygen is reaction
To view all questions and flashcards with answers, click on the resource link above. Page 9
Chapter 8: Chemical Reactivity: Chemicals in Action
Available Study Resources on Quizplus for this Chatper
54 Verified Questions
54 Flashcards
Source URL: https://quizplus.com/quiz/75041
Sample Questions
Q1) According to the second law of thermodynamics,
A) The quality of energy is conserved, but he quantity of energy is not conserved.
B) Every naturally occurring process produces some entropy.
C) Perpetual motion is possible.
D) Efficiencies of energy transformations are expected to be 100%.
Q2) How many moles are in 15.5 g of diphosphorous pentoxide?
A) 0.109 mol
B) 0.330 mol
C) 6.56 \(\times\) 10<sup>23 </sup>mol
D) 2.20 \(\times\) 10<sup>3 </sup>mol
Q3) What is the molar mass of H<sub>2</sub>SO<sub>4</sub>?
A) 50 g
B) 49 g
C) 98 g
D) 7.0 g
Q4) The reactants are represented by the letter _______.
Q5) The products of the reaction are presented by the letter________.
Q6) The molar mass of sulfur trioxide is ________g.
Q7) E<sub>reaction</sub> is represented by the letter ________.
Page 10
To view all questions and flashcards with answers, click on the resource link above.
Chapter 9: Acid-Base Reactions
Available Study Resources on Quizplus for this Chatper
68 Verified Questions
68 Flashcards
Source URL: https://quizplus.com/quiz/75042
Sample Questions
Q1) A change in pH from 3.0 to 5.0 represents
A) a 10 fold increase in acidity.
B) a 10 fold decrease in acidity.
C) a 100 fold increase in acidity.
D) a 100 fold decrease in acidity.
E) a decrease in acidity by a factor of 2.
Q2) What is the pH of a 0.001 M HCl solution?
A) 10<sup>-3</sup>
B) 0.001
C) 3
D) -3
Q3) What is the pH of a 0.0001 M HCl solution?
A) 10<sup>-4</sup>
B) 0.0001
C) - 4
D) 4
Q4) KOH and NaOH are both bases but NaOH is a weak base while KOH is a strong base.
A)True
B)False
Q5) A solution with a pH of 5.05 is ___________.
To view all questions and flashcards with answers, click on the resource link above. Page 11
Chapter 10: Oxidation-Reduction Reactions
Available Study Resources on Quizplus for this Chatper
47 Verified Questions
47 Flashcards
Source URL: https://quizplus.com/quiz/75043
Sample Questions
Q1) The electrons flow from electrode _____ to electrode _____.
Q2) Oxidation always occurs
A) with the loss of electrons.
B) with the gain of electrons.
C) with the gain of hydrogen.
D) only for metal atoms and not ions.
Q3) Charge is transported from place to place in a battery by
A) an anode.
B) a cathode.
C) the migration of ions.
D) an external electrical circuit.
Q4) Antioxidant vitamins
A) react with DNA.
B) donate electrons to free radicals.
C) are reduced.
D) form free radicals in the body.
Q5) Al should be placed at letter _____.
Q6) The reducing agent in the following reaction is ___________. I<sub>2</sub> + Zn \(\to\) 2I<sup>-</sup> + Zn<sup>2+</sup>
Q7) Oxidation occurs in compartment _____.
To view all questions and flashcards with answers, click on the resource link above. Page 12
Chapter 11: Water, Water Everywhere but Not a Drop to Drink
Available Study Resources on Quizplus for this Chatper
50 Verified Questions
50 Flashcards
Source URL: https://quizplus.com/quiz/75044
Sample Questions
Q1) Biochemical oxygen demand (BOD) is
A) high for polluted water.
B) low for polluted water.
C) not affected by water pollution.
D) a measure of the amount of oxygen in the body.
Q2) The disinfectant widely used in Europe to kill harmful bacteria in water treatment plants is
A) bromine.
B) oxygen.
C) ozone.
D) sodium hypochlorite.
Q3) The region that provides a source of water to both surface and ground water resources is indicated by letter _____.
Q4) Which of the following is the major user of water in the United States?
A) households
B) industry
C) agriculture
D) steam-electric utilities
Q5) The type of well in which pumping is not required to obtain water is shown by letter
13
To view all questions and flashcards with answers, click on the resource link above.
Chapter 12: Energy and Hydrocarbons
Available Study Resources on Quizplus for this Chatper
57 Verified Questions
57 Flashcards
Source URL: https://quizplus.com/quiz/75045
Sample Questions
Q1) Fermentation of carbohydrates is a source of A) MTBE.
B) ethanol.
C) ethers.
D) methanol.
Q2) The purpose of coal gasification is to A) pressurize coal so the coal will be compact.
B) produce a relatively clean burning, gaseous fuel.
C) make more consumer products from coal.
D) put railroads out of business.
Q3) The complete combustion of C<sub>2</sub>H<sub>6</sub> yields
A) C<sub>2</sub>H<sub>4</sub> and H<sub>2</sub>.
B) CO and H<sub>2</sub>O.
C) CO<sub>2</sub> and H<sub>2</sub>O.
D) C and H<sub>2</sub>.
Q4) Gasoline is a
A) single, simple hydrocarbon.
B) single, complex hydrocarbon.
C) mixture of C<sub>12</sub>-C<sub>16</sub> hydrocarbons.
D) mixture of C<sub>5</sub>-C<sub>12</sub> hydrocarbons.
To view all questions and flashcards with answers, click on the resource link above. Page 14
Chapter 13: Nuclear Changes and Nuclear Power
Available Study Resources on Quizplus for this Chatper
73 Verified Questions
73 Flashcards
Source URL: https://quizplus.com/quiz/75046
Sample Questions
Q1) Which is generally not associated with nuclear reactions?
A) outer electrons
B) atomic number
C) atomic mass
D) the nucleus
Q2) The half-life of element X is _____hours.
Q3) What is the "stable" nucleus produced at the end of the decay steps in the uranium decay series?
A) thorium
B) uranium
C) radon
D) lead
Q4) Which of the following characterizes a beta particle?
A) is more penetrating than a gamma ray
B) is attracted to the positively charged plate in an electric field
C) carries a positive charge
D) is a product of natural radioactive decay
E) Two of the above are correct.
Q5) After 20 hours, ______mg of sample X will remain.
Q6) After 60 hours, ______mg of sample X will remain.
Page 15
To view all questions and flashcards with answers, click on the resource link above.
Chapter 14: Organic Chemicals and Polymers
Available Study Resources on Quizplus for this Chatper
61 Verified Questions
61 Flashcards
Source URL: https://quizplus.com/quiz/75047
Sample Questions
Q1) The small molecules used to synthesize polymers are called
A) macromolecules.
B) monomers.
C) elastomers.
D) peptides.
Q2) Which carboxylic acid is the substance responsible for the sting of an ant bite?
A) butyric
B) propionic
C) acetic
D) formic
Q3) Which type of polyethylene has the greatest amount of branched chains?
A) LDPE
B) HDPE
C) CLPE
D) none have any branches
Q4) Most reinforced plastics are polymers containing
A) steel wire
B) aluminum wires
C) Mylar film
D) glass fibers
To view all questions and flashcards with answers, click on the resource link above. Page 16
Chapter 15: The Chemistry of Life
Available Study Resources on Quizplus for this Chatper
86 Verified Questions
86 Flashcards
Source URL: https://quizplus.com/quiz/75048
Sample Questions
Q1) Which is not true about saponification?
A) a hydrolysis
B) soaps are products
C) a reaction of fatty acids
D) a strongly basic solution is required
Q2) Chemically, fats and oils are
A) esters.
B) amides.
C) alcohols.
D) ketones.
Q3) Amino acids that the body cannot synthesize from other molecules are called
A) necessary amino acids.
B) essential amino acids.
C) natural amino acids.
D) prized amino acids.
Q4) Which object/objects can be chiral?
A) proteins
B) an alanine molecule
C) pair of shoes
D) all of the above
To view all questions and flashcards with answers, click on the resource link above. Page 17
Chapter 16: Nutrition: the Basis of Healthy Living
Available Study Resources on Quizplus for this Chatper
61 Verified Questions
61 Flashcards
Source URL: https://quizplus.com/quiz/75049
Sample Questions
Q1) Which of the following is a water-soluble vitamin?
A) vitamin C
B) vitamin A
C) vitamin E
D) vitamin K
Q2) Which of the following sets does not include at least one of the classes of nutrients?
A) water, carbohydrates
B) fats, vitamins
C) acids, bases
D) proteins, fats
Q3) Na<sup>+</sup>, K<sup>+</sup>, and Cl<sup>-</sup> are the most important ions regulating the electrolyte balance in body fluids.
A)True
B)False
Q4) A flavor enhancer is
A) MSG.
B) BHT.
C) an enzyme.
D) beta-carotene.
To view all questions and flashcards with answers, click on the resource link above. Page 18
Chapter 17: Chemistry and Medicine
Available Study Resources on Quizplus for this Chatper
86 Verified Questions
86 Flashcards
Source URL: https://quizplus.com/quiz/75050
Sample Questions
Q1) Which of the compounds listed below is not an analgesic?
A) acetylsalicylic acid
B) Demerol
C) heroin
D) acetic acid
Q2) A new substance is synthesized in the laboratory. Among its properties is similarity to uracil. When tested in living organisms, this new substance gets involved in DNA synthesis. Which area of research would you expect this new chemical to show promise?
A) studying Reye's syndrome
B) studying how analgesics work
C) studying anticancer drugs
D) studying how antacids work
Q3) An antimetabolite drug for cancer is
A) nitroglycerin.
B) cyclophosphamide.
C) sulfanilamide.
D) methotrexate.
Q4) Acetaminophen would be classified as ___________________.
Q5) Penicillin G would be classified as ___________________.
To view all questions and flashcards with answers, click on the resource link above. Page 19
Chapter 18: The Chemistry of Useful Materials
Available Study Resources on Quizplus for this Chatper
65 Verified Questions
65 Flashcards
Source URL: https://quizplus.com/quiz/75051
Sample Questions
Q1) The first transistor was constructed
A) in 1947 at Bell Laboratories.
B) in 1941 at IBM.
C) in 1969 at Texas Instruments.
D) in 1934 in Switzerland.
Q2) In the reduction of iron in a blast furnace, calcium carbonate, from limestone, is added to combine with what impurity in the iron ore?
A) other metals
B) carbon
C) silicon dioxide
D) sulfur
Q3) How many valence electrons would be found in an atom used as dopant in a p-type semiconductor?
A) 3
B) 4
C) 5
D) 6
Q4) Silica from the sand used in the furnace is removed in the area indicated by the number ______.
To view all questions and flashcards with answers, click on the resource link above. Page 20
Chapter 19: Feeding the World
Available Study Resources on Quizplus for this Chatper
54 Verified Questions
54 Flashcards
Source URL: https://quizplus.com/quiz/75052
Sample Questions
Q1) A bag of fertilizer is labeled 16-4-8. How many pounds of P are in a 100 lb bag?
A) 16 lb
B) 4.0 lb
C) 1.8 lb
D) 7.0 lb
E) 2.2 lb
Q2) Which soil type has the smallest soil particles?
A) silts
B) sandy soils
C) loams
D) clays
Q3) Which of the following is not characteristic of a loam?
A) It is a friable mixture.
B) Its clay content excludes organic matter.
C) It contains sand.
D) It has a relatively high content of air.
Q4) Crop rotation would be an example of ___________________.
Q5) __________ has decreased energy costs but increased labor costs.
Q6) The Flavr Savr tomato is an early example of ______crop.
Q7) ______is a broad approach to limiting the use of pesticides.
To view all questions and flashcards with answers, click on the resource link above. Page 21