1.)Write the net ionic equation for the reaction of aqueous solutions of silver nitrate and lithium bromide. (Include states-of-matter under the given conditions in your answer. Use the lowest possible whole number coefficients.)
2.)Rubidium carbonate, Rb2CO3(aq), reacts with hydrobromic acid, HBr(aq), to form a salt, a gas, and H2O(l).
(a) Write the net ionic equation for this reaction. (Include states-of-matter under the given conditions in your answer. Use the lowest possible whole number coefficients.)
3.) (a) Compare the oxidation number of manganese in MnO with that in Mn2O3.
The oxidation number of manganese in MnO is and in Mn2O3 is
(b) What is the change in oxidation number of sulfur when the dithionite anion, S2O42�, is converted to SO2 in an oxidation-reduction reaction? Does each sulfur atom gain or lose electrons in the reaction? Is sulfur oxidized or reduced in the reaction?
The oxidation number of each S atom is
in S2O4 and
in SO2. Thus, each sulfur atom ---Select---gainsloses
electron(s) in the reaction.
Since oxidation is defined as the loss of electrons and reduction is defined as the gain of electrons by a substance, we can say that sulfur is ---Select---oxidizedreducedin this oxidation-reduction reaction.
1.)Write the net ionic equation for the reaction of aqueous solutions of silver nitrate and lithium bromide. (Include states-of-matter under the given conditions in your answer. Use the lowest possible whole number coefficients.)
2.)Rubidium carbonate, Rb2CO3(aq), reacts with hydrobromic acid, HBr(aq), to form a salt, a gas, and H2O(l).
(a) Write the net ionic equation for this reaction. (Include states-of-matter under the given conditions in your answer. Use the lowest possible whole number coefficients.)
3.) (a) Compare the oxidation number of manganese in MnO with that in Mn2O3.
(b) What is the change in oxidation number of sulfur when the dithionite anion, S2O42�, is converted to SO2 in an oxidation-reduction reaction? Does each sulfur atom gain or lose electrons in the reaction? Is sulfur oxidized or reduced in the reaction?
in S2O4 and
in SO2. Thus, each sulfur atom ---Select---gainsloses
electron(s) in the reaction.
Since oxidation is defined as the loss of electrons and reduction is defined as the gain of electrons by a substance, we can say that sulfur is ---Select---oxidizedreducedin this oxidation-reduction reaction.
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