Attempt to place hydrogen in the activity series (Hint: arrange Mg, Pb, Zn, Cu, H, and Ag in order of their activities, starting with the most active one.). If an exact location cannot be specified, list the limits of where it should be placed. Besides, what additional tests) would be needed to establish the exact position of hydrogen in the activity series? How would that test be interpreted?

Attempt to place hydrogen in the activity series (Hint: arrange Mg, Pb, Zn, Cu, H, and Ag in order of their activities, starting with the most active one.). If an exact location cannot be specified, list the limits of where it should be placed. Besides, what additional tests) would be needed to establish the exact position of hydrogen in the activity series? How would that test be interpreted?

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter13: Electrochemistry

Section: Chapter Questions

Problem 13.106PAE: 13.106 Hydrazine, N2H4 , has been proposed as the fuel in a fuel cell in which oxygen is the...

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Using the ionization energy values, explain the usual degrees of oxidation of alkali (+1), alkaline earth (+2) and halogen (-1). Use the values in Chang Table 6.3 to support this.
do you think that the elements X and Y are metals or nonmetals lastly, In terms of the activity series, use the Eo values given to decide whether X and Y can be considered to be active or less active elements. Please give your reasoning.
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13.106 Hydrazine, N2H4 , has been proposed as the fuel in a fuel cell in which oxygen is the oxidizing agent. The reactions are N2H4(aq)+4OH-(aq)N2(g)+4H2O(l)+4eO2(g)+2H2O(l)+4e4OH-(aq) (a) Which reaction occurs at the anode and which at the cathode? (b) What is the net cell reaction? (C) If the cell is to produce 0.50 A of current for 50.0 h, what mass in grams of hydrazine must be present? (d) What mass in grams of O2 must be available to react with the mass of N2H4 determined in part (c)?
If the concentration of N2O4 in an equilibrium mixture is 0.00140 M, what is its activity? (Assume the solution is ideal.)
Analytical Chemistry II Why is carbon used as an electrode in arc and spark sources? Explain briefly

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