Project #11577 - chem

The voltage of an ordinary flashlight battery is 1.5 volts. If your flashlight takes three batteries placed end-to-end, what is the overall voltage driving electrons in the flashlight?
 
 
 
 
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An electrochemical cell consists of two electrodes separated by
 
 
 
 
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Electrons are generated at the
 
 
 
 
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The oxidation number in an anode reaction
 
 
 
 
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Standard Electrode Potentials
Electrode reaction E°(V)
Al3+(aq) + 3e- ? Al(s) −1.66
Zn2+(aq) + 2e- ? Zn(s) −0.7618
Fe2+(aq) + 2e- ? Fe(s) −0.447
Pb2+(aq) + 2e- ? Pb(s) −0.1262
Fe3+(aq) + 3e- ? Fe(s) −0.037
Cu2+(aq) + 2e- ? Cu(s) +0.3419
Ag+(aq) + e- ? Ag(s) +0.7996


From the values given in the table above, which metal is most likely to be oxidized?
 
 
 
 
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An electrochemical cell that generates energy is a(n)
 
 
 
 
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For an electric current to exist in a galvanic cell, the two half-cells must be
 
 
 
 
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As a metal corrodes, what happens to oxygen?
 
 
 
 
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The use of electrical energy to decompose a compound into its elements is called
 
 
 
 
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In an electrolytic cell, reduction occurs
 
 
 
 

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Isomers are compounds that have
 
 
 
 
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What are alkanes called when atoms of fluorine, chlorine, bromine, or iodine are substituted for hydrogen atoms?
 
 
 
 
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To what class does an organic compound belong with the formula C3H7OH?
 
 
 
 
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Name the alkene with the formula CH3CHCH2.
 
 
 
 
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Which of the following is the structural formula for propene?
 
 
 
 
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What is the name for the simplest two-carbon alcohol?
 
 
 
 
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The formula CH3CH2CH2CH2CH=CH2 represents an
 
 
 
 
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Name the compound with the formula CH3CHFBr.
 
 
 
 
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One or more hydrogen atoms are added to an unsaturated molecule during
 
 
 
 
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A reaction in which a polymer is formed, with water as a byproduct, is a(n)
 
 
 
 

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Strong nuclear force
 
 
 
 
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Disregarding hydrogen and helium, as the mass number of a nuclide increases, the binding energy per nucleon
 
 
 
 
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The process Neutron becomes proton plus electron represents a(n)
 
 
 
 
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Which pair of particles can undergo the process of annihilation together?
 
 
 
 
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Which particle balances the equation for the following nuclear reaction?

Lithium-7 becomes Helium-4 plus Helium-4
 
 
 
 
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Which of the following statements about nuclear fission is true?
 
 
 
 
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The nuclear waste from a nuclear reactor is
 
 
 
 
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For this and question 9, refer to the table below:
Nuclide Half-life
Manganese-56 3 h
Palladium-148 5 days
Silver-102 70 min
Zinc-62 9 h

Which nuclide has a half-life of slightly more than 1 hour?
 
 
 
 
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For equal masses of nuclides at the start, which nuclide would have the least mass after 5 hours?
 
 
 
 
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Which statement is true concerning radiation exposure for humans?
 
 
 
 
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Subject Science
Due By (Pacific Time) 08/30/2013 12:00 am
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