A voltaic cell is constructed in which the following cell reaction occurs. The half-cell compartments are connected by a salt bridge. Sn2+(aq) + Mg(s) Sn(s) + Mg2+(aq) The anode reaction is: + + The cathode reaction is: + + In the external circuit, electrons migrate the Mg|Mg2+(from/to) electrode(from/to) the Sn|Sn2+ electrode. In the salt bridge, anions migrate the Sn|Sn2+(from/to) compartment (from/to) the Mg|Mg2+ compartment.
1-A voltaic cell is constructed in which the following cell reaction occurs. The half-cell compartments are connected by a salt bridge.
Sn2+(aq) + Mg(s) Sn(s) + Mg2+(aq)
The anode reaction is:
| + | + |
The cathode reaction is:
| + | + |
In the external circuit, electrons migrate the Mg|Mg2+(from/to) electrode(from/to) the Sn|Sn2+ electrode.
In the salt bridge, anions migrate the Sn|Sn2+(from/to) compartment (from/to) the Mg|Mg2+ compartment.
2-
When the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown?
Fe2+ + Cr2O72- Fe3+ + Cr3+
Water appears in the balanced equation as a fill in the blank 5 (reactant, product, neither) with a coefficient of . (Enter 0 for neither.)
How many electrons are transferred in this reaction?
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