Interpretation:
The balanced equations for the reaction of
Concept Introduction:
Aluminum is an abundant metal.
It is an electropositive element.
Its principal ore is bauxite, and it has low density.
It has high tensile strength.
It exhibits a
It is malleable, can be rolled into thin foils.
It is ductile, can be drawn into thin wires.
It is excellent conductor of electricity.
An element or compound having the tendency to lose an electron to another element or compound in a
When an aqueous solution’svalue of
Answer to Problem 52QP
Solution: The half reaction for the oxidation of
(a)
(b)
(c)
Explanation of Solution
a)Aluminum in a basic solution with
The half reaction for the oxidation of
The half reaction that takes place for the nitrate–ammonia is represented below.
Both equations combined together to give the complete equation, which is represented below:
b)Aluminum in a basic solution with water to give hydrogen.
The half reaction for the oxidation of
The reaction is as
The half reaction that takes place for the water–hydrogen is represented below.
Both equations combined together give the complete equation, which is represented below:
c)Aluminum in a basic solution with
The half reaction for the oxidation of
The reaction is as:
The half reaction that takes place for the
Both equations combined together to give the complete equation, which is represented below:
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Chapter 23 Solutions
Chemistry
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- Which is the stronger acid, H2SO4 or H2SeO4? Why? You may wish to review the Chapter on acid-base equilibria.arrow_forwardHydrazine, N2H4, has been proposed as the fuel in a fuel cell in which oxygen is the oxidizing agent. The reactions are N2H4(aq) + 4 OH(aq) N2(g) + 4 H2O() + 4e O2(g) + 2 H2O() + 4e 4 OH(aq) (a) Which reaction occurs at the anode and which at thecathode? (b) What is the overall cell reaction? (c) If the cell is to produce 0.50 A of current for 50.0 h, calculate what mass in grams of hydrazine must be present. (d) Calculate what mass (g) of O2 must be available to reactwith the mass of N2H4 determined in part (c).arrow_forward
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