Cem 85990 | Course Paper

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In this molecule four different functional groups are circled.

Which is the carboxylic acid functional group?

A. I

B. II

C. III

D. IV

Which equation below shows the addition polymerization of ethylene?

Arrange these types of radiation in order of increasing energy per photon: gamma rays,

infrared radiation, radio waves, visible light, UV (ultra violet)

A. radio waves<visible light<UV <infrared radiation<gamma rays

B. radio waves< infrared radiation<visible light< UV<gamma rays

C. infrared radiation<radio waves<visible light < UV<gamma rays

D. gamma rays< infrared radiation<UV<radio waves< visible light

Sickle cell anemia

I. is caused by mutation in the human gene that codes for a protein expressed in the red

blood cells.

II. is a genetic disease, inheritable from one’s parents.

III. can cause red blood cells to become sickle shaped.

IV. can clog organs, reducing their blood supplies.

A. I and II only

B. I and III only

C. I, II, and III only

D. I, II, III, and IV

Which raw material serves as the source for most polymers?

A. crude oil

B. natural gas

C. minerals

D. salts

Arrange these types of radiation in order of increasing energy per photon: gamma rays,

infrared radiation, radio waves, visible light, UV (ultra violet)

A. radio waves<visible light<UV <infrared radiation<gamma rays

B. radio waves< infrared radiation<visible light< UV<gamma rays

C. infrared radiation<radio waves<visible light < UV<gamma rays

D. gamma rays< infrared radiation<UV<radio waves< visible light

Choose the proper coefficients for each substance to balance this equation.

____ C2H4(g) + ____ O2(g) → ____ CO2(g) + ____ H2O(g)

A. 1, 1, 2, 2

B. 1, 3, 2, 2

C. 2, 3, 4, 2

D. 2, 2, 4, 2

Waste created at these power plants must be stored indefinitely:

A. coal-burning plants.

B. nuclear plants.

C. both coal-burning and nuclear plants.

D. neither coal-burning nor nuclear plants.

The fuel for both nuclear and coal power plants must be mined. Which miners are most

likely to contract black lung disease?

A. coal miners

B. uranium miners

C. plutonium miners

D. Black lung is not a risk for miners of any fuel.

The ozone hole is most prominent on the Earth over

A. North America.

B. Europe.

C. Africa.

D. Antarctica.

Refer to this table when answering Questions.

Which butter substitute has the highest percentage of polyunsaturated fats?

A. Benecol

B. Brummel & Brown

C. I Can’t Believe It’s Not Butter

D. All of the choices are the same.

The current through a wire is most closely related to the

A. energy of the electrons flowing through the wire.

B. type of electrons flowing through the wire.

C. rate of electron flow through a wire.

D. oxidation potential of the electrons flowing through the wire.

Iron, an important component of the steel used in the construction of buildings, bridges,

and railroads, combines with oxygen to form Fe2O3, which we recognize as rust. At

room temperature, iron

A. combines readily with atmospheric oxygen to form Fe2O3.

B. requires the presence of a galvanizing agent and oxygen before it can rust.

C. gains valence electrons from atmospheric oxygen, forming Fe2O3.

D. requires the presence of hydrogen ions and oxygen before it can form Fe2O3.

Nylon is classified as a polyamide because it contains which of the following linkages?

In the famous equation E = mc2, the symbols represent:

A. E = Einstein, m = matter, c = speed of light

B. E = energy, m = mass, c = characteristic of the particle

C. E = Einstein, m = meters, c = conversion

D. E = energy, m = mass, c = speed of light

Which occurrences or processes are expected to reduce the level of atmospheric

carbon?

I. Decaying plant and animal remains

II. The growth of trees

III. Formation of carbonate rock in the ocean

IV. Animal respiration

A. I and II only

B. II and III only

C. III and IV only

D. I and IV only

Why are HFCs inappropriate for long-term replacement of CFCs?

A. They are flammable.

B. They are very toxic.

C. They absorb infrared radiation.

D. They are an appropriate replacement.

Which compounds are not soluble in water at room temperature?

A. I and II only

B. II and III only

C. III and IV only

D. I and IV only

A polymer that is made from two different monomers is known as a

A. dimer.

B. dipolymer.

C. copolymer.

D. multimer.

Which of these statements are correct for condensation polymerization only?

I. Monomer units chemically bond together.

II. Product contains all the atoms of the starting material.

III. A second product, like water, is also formed during the polymerization process.

A. I only

B. I and II

C. II only

D. I and III

The general term for plant matter such as trees, grasses, agricultural crops, or other

biological material is

A. biomass.

B. cornstarch.

C. diesel.

D. fossil fuel.

Which chemical equation shows the dissociation of magnesium hydroxide?

A. Mg(OH)2 → Mg2+ + 2OH

B. MgOH → Mg2+ + OH2

C. Mg(OH)3 → Mg3+ + 3OH

D. Mg(OH)2 → Mg2+ + H2O + O2-

Argon, which comprises almost 1% of the atmosphere, is approximately 27 times more

abundant than CO2, but does not contribute to global warming. Which explanation

accounts for this fact?

A. Single atoms do not have bonds, therefore do not vibrate.

B. Argon’s vibrational energy is not excited by infrared radiation.

C. Argon atoms are concentrated too high in the troposphere to interact with the earth’s

radiant energy.

D. Argon is not an anthropogenic pollutant.

What is vitrification?

A. Spent fuel elements or other mixed waste are encased in ceramic or glass.

B. Spent fuel elements or other mixed waste are shot into space.

C. Spent fuel elements or other mixed waste are buried beneath the ocean floor.

D. Spent fuel elements or other mixed waste are deposited in Nevada.

The mass number of an isotope of an element is the

A. sum of the number of its protons and electrons.

B. number of its protons.

C. sum of the number of its protons and neutrons.

D. sum of the number of its protons, neutrons, and electrons.

Which example is both a type of nuclear radiation and electromagnetic radiation?

A. microwave radiation

B. gamma radiation

C. alpha rays

D. ultraviolet radiation

Which pair represents isomers?

Scientists predict that shells of someocean creatures will start to dissolve after how

many more years of ocean acidification?

A. 40 years

B. 150 years

C. 300 years

D. 85 years

Which is a characteristic of ‘surface” high-level nuclear waste storage that is not a

characteristic of storing the waste in a geological repository? Waste in a geological

repository is not

A. as easily accessible.

B. feasible.

C. secure.

D. safe.

What type of radiation is given off in this nuclear reaction?

A. alpha

B. beta

C. gamma

D. neutron