Exam 4: Types of Chemical Compounds and Their Reactions

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Given that uranium-238 (U-238) has a half-life of 4.5 billion years, if we begin with 16 atoms of U-238, how many atoms will remain after 9 billion years?

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C

Identify the following reaction as to type.C(s) + O2(g) → CO2(g)

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D

Compared to a solution with a pH of 10, a solution with a pH of 12 is

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D

Half-lives of radioactive species can vary greatly, e.g., from a fraction of a second to billions of years.

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Identify the following reaction as to type. NaCl(aq) + AgNO3(aq) → AgCl(s) + NaNO3(aq)

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The process by which a large, unstable atom splits into smaller atoms and particles, with the release of enormous amounts of energy, is known as

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Name the following type of reaction. Pb(NO3)2 (aq) + 2KCl (aq) → PbCl2(s) + 2KNO3(aq)

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The half-life (t ½) of a radioactive particle is the time required for

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Compounds containing only carbon, hydrogen, single bonds, and one or more triple bonds are known as

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Which is UNTRUE of the alpha particle?

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Styrene (used to make Styrofoam plastics), toluene, and benzene belong to a class of organic compounds known as

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Compounds with benzene-type rings are known as

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Acid-base neutrality on the pH scale is signified by a pH of

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Identify the following reaction as to type.HCl + NaOH → NaCl + H2O

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Compared to a solution with a pH of 4, a solution with a pH of 3 is

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The compound C8H18 is known as octane; to what class of chemical compounds does it belong?

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The number of bonds a carbon atom tends to form in compounds is

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Which is not a correct definition of oxidation?

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A substance which, when dissolved in water, produces hydroxide (OH-) ions, is known as (a, an)

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The process by which two small atoms combine to form a larger atom, with the release of enormous amounts of energy, is known as

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