A certain metal M forms a soluble sulfate salt M2SO4. Suppose the left half cell of a galvanic cell apparatus is filled with a 4.00 M solution of M2SO4 and theright half cell with a 2.00 mM solution of the same substance. Electrodes made of M are dipped into both solutions and a voltmeter is connected between them.The temperature of the apparatus is held constant at 30.0 °C.Which electrode will be positive?What voltage will the voltmeter show? Assume its positive lead is connected to thepositive electrode.Be sure your answer has a unit symbol, if necessary, and round it to 2 significantdigits.left☐ x10O right0

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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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A Zn Zn2 + Co 2+ Co galvanic cell is constructed in which the standard cell potential is 0.48 V. Calculate the free energy change at 25°C per gram of zinc lost at the anode, if all concentrations remain at their standard valueof 1 M throughout the process. What is the maximum electrical work done by the cell on its surroundings during this experiment?
A certain metal M forms a soluble nitrate salt MNO,. Suppose the left half cell of a galvanic cell apparatus is filled with a 3.50 M solution of MNO, and the right half cell with a 17.5 mM solution of the same substance. Electrodes made of M are dipped into both solutions and a voltmeter is connected between them. The temperature of the apparatus is held constant at 30.0 °C. left x10 Which electrode will be positive? right What voltage will the voltmeter show? Assume its positive lead is connected to the positive electrode. Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits.
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A galvanic cell is made up of one electrode consisting of a copper metal immersed in 0.00500 M Cu(NO3)2 and another electrode with a piece of silver metal that is immersed in an aqueous solution containing 0.235 M AgNO3. a) Identify which acts as the anode and the cathode in this cell. b) Write the galvanic cell notation. c) Calculate the cell potential.
A certain metal M forms a soluble nitrate salt M (NO3)₂. Suppose the left half cell of a galvanic cell apparatus is filled with a 5.00 M 2 solution of M (NO3), and the right half cell with a 50.0 mM solution of the same substance. Electrodes made of M are dipped into 2 both solutions and a voltmeter is connected between them. The temperature of the apparatus is held constant at 35.0 °C. Which electrode will be positive? What voltage will the voltmeter show? Assume its positive lead is connected to the positive electrode. Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits. 0 left right x10 X
A certain metal M forms soluble sulfate salt MSO4. Suppose the left half cell of a galvanic cell apparatus is filled with a 3.50 M solution of MSO4 and the right half cell with a 3.50 mM solution of the same substance. Electrodes made of M are dipped into both solutions and voltmeter is connected between them. The temperature of the apparatus is held constant at 40.0 °C. Which electrode will be positive? What voltage will the voltmeter show? Assume its positive lead is connected to the positive electrode. Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits. 0 left right 0×100 X ?
Consider the following galvanic cell: E° (V) U3+ + 3 e− → U(s) −1.642 In3+ + 2e− → In+ −0.444 What is the potential of the galvanic cell when In3+ is 0.023 M, In+ is 0.37 M, and U3+ is 0.076 M?
A certain metal M forms a soluble nitrate salt MNO3. Suppose the left half cell of a galvanic cell apparatus is filled with a 15.0 mM solution of MNO3 and the right half cell with a 3.00 M solution of the same substance. Electrodes made of M are dipped into both solutions and a voltmeter is connected between them. The temperature of the apparatus is held constant at 30.0 °C. Which electrode will be positive? What voltage will the voltmeter show? Assume its positive lead is connected to the positive electrode. Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits. O left 0 right x10 X
How long would it take to deposit 9.38 g of copper (molar mass 63.55 g/mol) at the cathode of an electrolytic cell, if a current of 23.2 A is passed through an aqueous solution of CUSO4?
A certain metal M forms a soluble sulfate salt M₂SO4. Suppose the left half cell of a galvanic cell apparatus is filled with a 3.00 M solution of M₂SO4 and the right half cell with a 30.0 mM solution of the same substance. Electrodes made of M are dipped into both solutions and a voltmeter is connected between them. The temperature of the apparatus is held constant at 35.0 °C. Which electrode will be positive? What voltage will the voltmeter show? Assume its positive lead is connected to the positive electrode. 0 Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits. left right x10 X Ś
Calculate the cell potential for the reaction as written at 25.00 °C, given that [Mg? +] = 0.788 M and [Fe² +] = 0.0200 M. Use the standard reduction potentials in this table. Mg(s) + Fe2+(aq) = Mg2+(aq) + Fe(s) E = V
a galvanic cell consists of a zinc electrode immersed in 0.1 M ZnSO4 solution and another zinc electrode immersed in ZnS saturated solution water. Sketch the galvanic cell, show the anode and cathode. Write the reactions occurring at the anode and cathode , as well as the general reaction of the galvanic element.Calculate the fem of this reaction.

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