Concept explainers
(a)
Interpretation:
Amount of coal that is required to produce the energy as same as fission of
(a)
Explanation of Solution
Given information:
Amount of energy produced from one kilogram of coal is
Molar mass of
Energy released by one mole of
Amount of energy released by one kilogram of uranium-235 is calculated as shown below.
Therefore, one kilogram of uranium-235 releases
One kilogram of high-grade coal produces
Conversion of kilogram into metric ton can be done using the conversion factor as shown below.
Therefore, the amount of coal required to produce the same amount of energy as of one kilogram of uranium-235 is
(b)
Interpretation:
Metric tons of sulfur dioxide that is produced by burning
(b)
Explanation of Solution
In the problem statement it is given that coal contains
Reaction between sulfur and oxygen to produce sulfur dioxide can be given as shown.
From the equation, it is found that one mole of sulfur reacts with one mole of oxygen to form one mole of sulfur dioxide. Molar mass of sulfur is
Conversion of gram into metric ton can be done using the conversion factor as shown below.
Therefore, the amount of sulfur dioxide produced is
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Chapter 21 Solutions
Chemistry: Principles and Practice
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