The Nutrition of Prunes. With their dark and wrinkled skin, prunes may not be the prettiest fruits in the fruit stand, but there is no doubt that they are some of the healthiest foods you can eat. Whether you are dealing with bowel movement problems or trying to lose weight, prunes are an ideal fruit that you should add to your diet.
A voltaic cell is an electrochemical cell that uses a chemical reaction to produce electrical energy. 1  The anode is an electrode where oxidation occurs. 2  The cathode is an electrode where reduction occurs.  A salt bridge is a chamber of electrolytes necessary to complete the circuit in a voltaic cell.
The values of E Â° for the oxidation half-reactions are opposite in sign to the reduction potentials: +0.76 V for Zn and â0.34 V for Cu. A galvanic cell or voltaic cell is a device in which a redox reaction, such as the one in equation (4), spontaneously occurs and produces an electric current.