1. An electrochemical cell is constructed with copper and silver electrodes.
i. State which of the electrodes will be the: I. anode II. Cathode
ii. Give the reason for your answer in i. above
iii. State the type of reaction occurring at each electrode.
iv. Write a balanced equation for the overall cell reaction
Answers
Answer:
answer is
Explanation:
Galvanic cells, also known as voltaic cells, are electrochemical cells in which spontaneous oxidation-reduction reactions produce electrical energy. In writing the equations, it is often convenient to separate the oxidation-reduction reactions into half-reactions to facilitate balancing the overall equation and to emphasize the actual chemical transformations.
Consider what happens when a clean piece of copper metal is placed in a solution of silver nitrate (Figure 1). As soon as the copper metal is added, silver metal begins to form and copper ions pass into the solution. The blue color of the solution on the far right indicates the presence of copper ions. The reaction may be split into its two half-reactions. Half-reactions separate the oxidation from the reduction, so each can be considered individually.
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Answer:
Galvanic cells, additionally called voltaic cells, are electrochemical cells wherein spontaneous oxidation-discount reactions produce electric energy. In writing the equations, it's far regularly handy to split the oxidation-discount reactions into half-reactions to facilitate balancing the general equation and to emphasise the real chemical transformations.
Consider what takes place while a smooth piece of copper metallic is positioned in an answer of silver nitrate (Figure 1). As quickly because the copper metallic is added, silver metallic starts to shape and copper ions byskip into the answer. The blue shadeation of the answer at the a ways proper suggests the presence of copper ions. The response can be cut up into its half-reactions. Half-reactions separate the oxidation from the discount, so every may be taken into consideration individually.
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