Which of the statements below are TRUE! The carbon rod in batteries is used as an inert electrode. A good car battery gives you a lot of power in a short period of time. A good car battery gives you a little bit of power for a long period of time. The carbon rod in batteries react to form a carbon cation. *More than one can be correct

Which of the following statements is(are) true for all galvanic cells? 1. Reduction occurs at the cathode. II. The anode gains mass during discharge (note: this means operation of the cell.) III. The voltage is less than or equal to zero. O only I O only III O only II O L I, and II O Il and II

List some applications of electrolysis.

Consider an electrochemical cell constructed from the following half cells, linked by a KCl salt bridge. - a Fe electrode in 1.0 M FeCl solution - a Ni electrode in 1.0 M Ni(NO) solution When the cell is running spontaneously, which of the choices are true? a.) The nickel electrode gains mass and the nickel electrode is the cathode. b.) The nickel electrode loses mass and the nickel electrode is the cathode. c.) The iron electrode gains mass and the iron electrode is the anode. d.)The iron electrode loses mass and the iron electrode is the cathode.

Be sure to answer all parts. Electrolysis of molten NaCl in a Downs cell is the major isolation step in the production of sodium metal. Assuming that 217 g of Na metal forms, answer the following questions. (a) How many moles of electrons are required? mol e (b) How many coulombs are required? x 100 Enter your answer in scientific notation. (c) How many amps will produce this amount in 9.50 h? A

Which statement about electrolytic cells is false? Electrolytic cells convert electrical energy into chemical energy. O The redox reaction is non-spontaneous. The anode and cathode are placed in the same container with the aqueous electrolyte. O The anode is negative and the cathode is positive. O The external battery supplies the electrons.