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Specify which of the following equations represent oxidation–reduction reactions, and indicate the oxidizing agent, the reducing agent, the species being oxidized, and the species being reduced.

a. CH4(g) + H2O(g) → CO(g) + 3H2(g)

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Assign oxidation numbers to all the atoms in each of the following.

l. Cr2O3

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Assign oxidation numbers to all the atoms in each of the following.

k. (NH4)2Ce(SO4)3

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Assign oxidation numbers to all the atoms in each of the following.

j. CO2

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Assign oxidation numbers to all the atoms in each of the following.

i. Na2C2O4

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Assign oxidation numbers to all the atoms in each of the following.

h. PbO2

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Assign oxidation numbers to all the atoms in each of the following.

g. PbSO3

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Assign oxidation numbers to all the atoms in each of the following.

f. Ag

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Assign oxidation numbers to all the atoms in each of the following.

e. MgCO3

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Assign oxidation numbers to all the atoms in each of the following.

d. H2O2

 

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Assign oxidation numbers to all the atoms in each of the following.

c. O2

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Assign oxidation numbers to all the atoms in each of the following.

b. CuCl2

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Assign oxidation numbers to all the atoms in each of the following.
a. SrCr2O7

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Assign the oxidation state for nitrogen in each of the following.

i. N2

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Assign the oxidation state for nitrogen in each of the following.

h. NO3

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Assign the oxidation state for nitrogen in each of the following.

g. NO2

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Assign the oxidation state for nitrogen in each of the following.

f. NO2

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Assign the oxidation state for nitrogen in each of the following.

e. N2O

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Assign the oxidation state for nitrogen in each of the following.

d. NO

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Assign the oxidation state for nitrogen in each of the following.

c. N2H4

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Assign the oxidation state for nitrogen in each of the following.

b. NH3

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Assign the oxidation state for nitrogen in each of the following.

a. Li3N

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Assign oxidation states for all atoms in each of the following compounds.

i. Ca(NO3)2

 

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Assign oxidation states for all atoms in each of the following compounds.

h. Hg2Cl2

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Assign oxidation states for all atoms in each of the following compounds.

g. Na2S2O3

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