Concept explainers
Write and balance the equation for the reaction of butane,
(a)
Interpretation:
The description of the given reaction is to be stated on the particulate level.
Concept introduction:
In a balanced chemical equation, all the reactants and products are written with their stoichiometric coefficients and their physical states. The number of atoms of an element on both sides of a balanced chemical equation is equal.
Answer to Problem 8E
At particulate level, two molecule of butane reacts with thirteen molecules of oxygen to form eight molecules of carbon dioxide and ten molecules of water.
Explanation of Solution
The butane undergoes combustion reaction in presence of oxygen to form carbon dioxide and water. The corresponding chemical reaction is,
To balance the given chemical equation, the number of carbon atoms, oxygen atoms, and hydrogen atoms should be same on both the sides. The balanced chemical equation is,
To balance the number of carbon atoms, oxygen atoms, and hydrogen atoms, the coefficient of
The reaction is multiplied by factor of
At particulate level, two molecules of butane reacts with thirteen molecules of oxygen to form eight molecules of carbon dioxide and ten molecules of water.
At particulate level, two molecule of butane reacts with thirteen molecules of oxygen to form eight molecules of carbon dioxide and ten molecules of water.
(b)
Interpretation:
The minimum number of balls representing atoms of each element required to show both reactants and products at the same time is to be stated.
Concept introduction:
In a balanced chemical equation, all the reactants and products are written with their stoichiometric coefficients and their physical states. The number of atoms of an element on both sides of a balanced chemical equation is equal.
Answer to Problem 8E
The minimum number of balls representing atoms of each element required to show both reactants and products at the same time are
Explanation of Solution
The butane undergoes combustion reaction in presence of oxygen to form carbon dioxide and water. The corresponding chemical reaction is,
To balance the given chemical equation, the number of carbon atoms, oxygen atoms, and hydrogen atoms should be same on both the sides. The balanced chemical equation is,
To balance the number of carbon atoms, oxygen atoms, and hydrogen atoms, the coefficient of
The reaction is multiplied by factor of
At particulate level, two molecule of butane reacts with thirteen molecules of oxygen to form eight molecules of carbon dioxide and ten molecules of water.
In reactants, for one molecule of butane, four atoms of carbon and ten atoms of hydrogen is required and for oxygen molecule, two atoms of oxygen are required.
In products, for one molecule of carbon dioxide, one atom of carbon and two atoms of oxygen are required and for water molecule, two atoms of hydrogen and one atom of oxygen are required.
To depict the given balanced equation, reactant requires,
The minimum number of balls representing atoms of each element required to show both reactants and products at the same time are
(b)
Interpretation:
The minimum number of balls representing atoms of each element required to show reactants which are then rearranged to products are to be stated.
Concept introduction:
In a balanced chemical equation, all the reactants and products are written with their stoichiometric coefficients and their physical states. The number of atoms of an element on both sides of a balanced chemical equation is equal.
Answer to Problem 8E
The minimum number of balls representing atoms of each element required to show reactants which are then rearranged to products are
Explanation of Solution
The butane undergoes combustion reaction in presence of oxygen to form carbon dioxide and water. The corresponding chemical reaction is,
To balance the given chemical equation, the number of carbon atoms, oxygen atoms, and hydrogen atoms should be same on both the sides. The balanced chemical equation is,
To balance the number of carbon atoms oxygen atoms, and hydrogen atoms, the coefficient of
The reaction is multiplied by factor of
At particulate level, two molecule of butane reacts with thirteen molecules of oxygen to form eight molecules of carbon dioxide and ten molecules of water.
In reactants, for one molecule of butane, four atoms of carbon and ten atoms of hydrogen is required and for oxygen molecule two atoms of oxygen are required.
In products, for one molecule of carbon dioxide, one atom of carbon and two atoms of oxygen are required and for water molecule two atoms of hydrogen and one atom of oxygen are required.
To depict the given balanced equation reactant requires,
The minimum number of balls representing atoms of each element required to show reactants which are then rearranged to products are
(d)
Interpretation:
The description of the given reaction is to be stated on the molar level.
Concept introduction:
In a balanced chemical equation, all the reactants and products are written with their stoichiometric coefficients and their physical states. The number of atoms of an element on both sides of a balanced chemical equation is equal.
Answer to Problem 8E
At molar level, one mole of butane reacts with
Explanation of Solution
The butane undergoes combustion reaction in presence of oxygen to form carbon dioxide and water. The corresponding chemical reaction is,
To balance the given chemical equation, the number of carbon atoms, oxygen atoms, and hydrogen atoms should be same on both the sides. The balanced chemical equation is,
To balance the number of carbon atoms oxygen atoms, and hydrogen atoms, the coefficient of
At molar level, one mole of butane reacts with
At molar level, one mole of butane reacts with
(e)
Interpretation:
The validation of the fact that the mass is conserved for the given reaction is to be stated.
Concept introduction:
In a balanced chemical equation, all the reactants and products are written with their stoichiometric coefficients and their physical states. The number of atoms of an element on both sides of a balanced chemical equation is equal.
Answer to Problem 8E
The mass of reactants and products is same and thus, the mass of the given reaction is conserved.
Explanation of Solution
The butane undergoes combustion reaction in presence of oxygen to form carbon dioxide and water. The corresponding chemical reaction is,
To balance the given chemical equation, the number of carbon atoms, oxygen atoms, and hydrogen atoms should be same on both the sides. The balanced chemical equation is,
To balance the number of carbon atoms oxygen atoms, and hydrogen atoms, the coefficient of
At molar level, one mole of butane reacts with
The molar mass of carbon is
The molar mass of hydrogen is
The molar mass of oxygen is
The mass of reactants is calculated by the sum of mass of each reactant.
The molar mass of butane is calculated as follows,
Substitute the molar mass of carbon and hydrogen in the above formula.
The molar mass of oxygen is calculated as follows,
Substitute the molar mass of oxygen in the above formula.
The total mass of oxygen is,
Total mass of reactants is
The molar mass of carbon dioxide is calculated as follows,
Substitute the molar mass of carbon and oxygen in the above formula.
The molar mass of water is calculated as follows,
Substitute the molar mass of oxygen and hydrogen in the above formula.
The total mass of carbon dioxide is,
The total mass of water is,
Total mass of products is
The mass of reactants and products is same, thus, the mass is conserved.
The mass of reactants and products is same and thus, the mass of the given reaction is conserved.
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Chapter 8 Solutions
Introductory Chemistry: An Active Learning Approach
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