Enter electrons as e A voltaic cell is constructed in which the anode is a H2lH*
ID: 1045575 • Letter: E
Question
Enter electrons as e A voltaic cell is constructed in which the anode is a H2lH* half cell and the cathode is a Cu'Cu+ half cell. The half-cell compartments are connected by a salt bridge (Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is: The cathode reaction is: The net cell reaction is: In the external circuit, electrons migratee H2lHt electrodethe Cu'jCu+ electrode. In the salt bridge, anions migrate-D the CuTCu2+ compartment-B the 121?compartment.Explanation / Answer
The anode reaction is : H2(g) ---> 2H+ (aq) + 2e-
The cathode reaction is: Cu+(aq) + e- = Cu2+(aq)
The net cell reaction is :
H2(g) ---> 2H+ (aq) + 2e-
+
2*(Cu+(aq) + e- = Cu2+(aq) )
-------------------------------------
H2 (g) + 2Cu+ (aq) ---> 2H+ (aq) + 2Cu2+(aq)
In the external circuit, electrons migrate from the H2 electrode to the Cu+ electrode as electrons move from anode to cathode externally
in the salt bridge, anions migrate from the Cu+ electrode to the H2 electrode as anions move from cathode to anode.
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