Concept explainers
(a)
Interpretation:
The chemical equation for sodium oxide and water has to be given.
(a)

Answer to Problem 8H.2E
The chemical equation for sodium oxide and water is,
Explanation of Solution
Sodium oxide reacts with water to form sodium hydroxide
Two moles of sodium hydroxide are required in the product side to make the equation a balanced one. The balanced chemical equation for sodium oxide and water is,
(b)
Interpretation:
The chemical equation for sodium peroxide with water has to be given.
(b)

Answer to Problem 8H.2E
The chemical equation for sodium peroxide with water is,
Explanation of Solution
Sodium peroxide reacts with water to form sodium hydroxide with the evolution of oxygen gas. The chemical equation is given as,
Two moles of sodium peroxide, two moles of water are required in the reactant side and two moles of sodium hydroxide are required in the product side to make the equation a balanced one. The balanced chemical equation for sodium peroxide with water is,
(c)
Interpretation:
The chemical equation for sulphur dioxide with water has to be given.
(c)

Answer to Problem 8H.2E
The chemical equation for sulphur dioxide with water is,
Explanation of Solution
Sulphur dioxide reacts with water to form sulphurous acid
The reaction of sulphur dioxide with water is self-balanced.
(d)
Interpretation:
The chemical equation for sulphur dioxide with oxygen in presence of
(d)

Answer to Problem 8H.2E
The chemical equation for sulphur dioxide with oxygen in presence of
Explanation of Solution
Sulphur dioxide reacts with oxygen to form sulphur trioxide
Two moles of sulphur dioxide are required in the reactant side and two moles of sulphur trioxide are required in the product side to make the equation a balanced one.
The balanced chemical equation for sulphur dioxide with oxygen in presence of
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Chapter 8 Solutions
ACHIEVE/CHEMICAL PRINCIPLES ACCESS 2TERM
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