Explain a voltaic cell is constructed with a mg/mg2

Assignment Help Chemistry

Reference no: EM13261637

A voltaic cell is constructed with a Mg/Mg2+ (Eo = -2.370 V) half-cell and the Au/Au3+ (Eo = +1.500 V) half-cell. Which statement is correct for the spontaneous reaction?

a. Eocell = -3.870 V.
b. The reaction occurring at the cathode is: Au3+ (aq) + 3e- ? Au (s).
c. The reaction occurring at the anode is: Au (s) ? Au3+ (aq) + 3e-.
d. The overall cell reaction is: 2Au (s) + 3Mg2+ (aq) ? 2Au3+ (aq) + 3Mg (s).

Reference no: EM13261637

Questions Cloud

Define the standard reduction potential for the reduction : The standard reduction potential for the reduction of Eu3+(aq) to Eu2+(aq) is -0.43V. Which of the following substances is capable of reducing Eu3+(aq) to Eu2+(aq) under standard conditions

Explain the strongest oxidizing agent : Which of the following is the strongest oxidizing agent and which one is the weakest in acidic solution: Br2, H2O2, Zn, Cr2O7^2-

What is the speed of second spaceship : Two indentical spaceships are travelling in the same direction. an observer on earth measure the first to have a speed of 0.80c, what is the speed of second spaceship

Understanding of historical cultures : Investigate the ways in which a study of place-names can inform our understanding of historical cultures in what is now the UK. Your essay should focus primarily on ONE of the following specific languages: Old English, Old Norse, French or Latin.

Explain a voltaic cell is constructed with a mg/mg2 : A voltaic cell is constructed with a Mg/Mg2+ (Eo = -2.370 V) half-cell and the Au/Au3+ (Eo = +1.500 V) half-cell. Which statement is correct for the spontaneous reaction

What is the ratio of the amplitudes : What is the ratio of the intensities of an earthquake P wave passing through the Earth and detected at two points 17km and 49km from the source, what is the ratio of the amplitudes

Discuss some of the implications of overpaying for company : Discuss some of the implications of overpaying for an acquired company?

State the crude copper that is subjected to electrorefining : The crude copper that is subjected to electrorefining contains tellurium as an impurity. The standard reduction potential between tellurium and its lowest common oxidation state, Te^4+, is Te^4+(aq)+4e-=> Te(s) E°red= 0.57V

What is the firms weighted average cost : The General Store has a cost of equity of 15.8 percent, a pre-tax cost of debt of 7.7 percent, and a tax rate of 32 percent. What is the firm's weighted average cost of capital if the debt-equity ratio is 0.40?

User Account

All Pages