1. In a Daniel cell, | energy is stored in the zinc rod, the copper rod, and their solutions. chemical 2. The glowing of the bulb indicates that energy is produced. 3. The flow of electrons through the wire produces | energy. electrical 4. In a Daniel cell, the |energy is converted into electrical energy.

1. In a Daniel cell, | energy is stored in the zinc rod, the copper rod, and their solutions. chemical 2. The glowing of the bulb indicates that energy is produced. 3. The flow of electrons through the wire produces | energy. electrical 4. In a Daniel cell, the |energy is converted into electrical energy.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Many mechanics recommend a protective oil layer be applied to your car before the winter season. This is done to prevent the car from rusting. a. Distinguish between the terms 'rusting' and 'corrosion'. b. Why might the risk of rusting increase in the winter? Explain.
8. The electrolysis of copper (II) sulfate using carbon electrodes is demonstrated to a chemistry class. In the demonstration, a 1.50 A current passes through 75.0 mL of 0.125 mol/1. copper (II) sulfate solution. How long, in minutes, would it take to plate all of the copper from the solution?
In electrolysis, the number of electrons lost by the chemical action at the anode, compared to the number of electrons gained at the cathode a. b. must be greater. must be the same. C. d. a. entropy. b. temperature. depends on the reaction. must be less. The quantity that always decreases in a spontaneous reaction is the c. enthalpy. d. free energy.
B. Redox reaction 24. Which of the following refers to a hypothetical reaction that shows only the oxidation or reduction reaction? A. Addition Reaction C. Endothermic reaction 25. What part of the electrochemical cell allows ions to flow back and forth so that charge does not build up? B. Cathode C. Motor A. Anode D. Half-reaction D. Salt bridge
The process of decomposition of an electrolyte by passing electric current through its solution is called as Electrochemical cell .a O Electrolysis .b O Electrolyte .c O Electrode .d O
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Cancel RESET 6. The anodic area of a metal surface is oxidized and loses its electrons to the cathodic area. At the cathodic area the oxygen reduces and reacts with the oxidized metal to form metal oxide, so called a. Cathode c. Iron d. Rust b. Electrolyte 7. When an ionic substance is dissolved in water or melted then the ions are free to move. a. True b. False 8. A process of converting the ions of a compound in a liquid state into their reduced or oxidiz I state by passing an : current through compound. a. Electrolytes b. Electrocution c. Cannot be determined c. Electrolysis d. Electricity # Done
The Reduction and Oxidation of Metals O 22. 23. ADLC Assignment Booklet A2 Which solution allows the electrolytic cell to perform the silver plating? A. Nickel nitrate B. Silver nitrate C. Sodium chloride D. Gold (1) chloride How is the operation of the electrolytic cell explained as a redox reaction? A. Silver is oxidized at the fork and reduced at the silver rod. B. Silver is reduced at the fork and oxidized at the silver rod. C. Nickel is reduced at the fork, and silver is oxidized at the silver rod. D. Nickel is oxidized at the fork, and silver is reduced at the silver rod.
:. Voltaic cell Is the cell that undergoes a redox reaction .A Non- spontaneous .B electrical .C spontaneous