Concept explainers
(a)
Interpretation:
The given equation should be completed and balanced.
Concept Introduction:
Deciding which products will form when two or more reactants added together is not an easy task without any experimental evidences. The best way to predict what products will form is to think of various possibilities and then decide which product is most likely to form.
Answer to Problem 25CR
Explanation of Solution
This is a precipitation reaction in which PbS precipitate is formed. This is also a double displacement reaction which is the two reactants have exchanged their anions. In the unbalanced equation,
(b)
Interpretation:
The given equation should be completed and balanced
Concept Introduction:
Deciding which products will form when two or more reactants added together is not an easy task without any experimental evidences. The best way to predict what products will form is to think of various possibilities and then decide which product is most likely to form.
Answer to Problem 25CR
Explanation of Solution
This is a precipitation reaction in which AgCl precipitate is formed. This is also a double displacement reaction which is the two reactants have exchanged their anions. The equation is already balanced.
(c)
Interpretation:
The given equation should be completed and balanced
Concept Introduction:
Deciding which products will form when two or more reactants added together is not an easy task without any experimental evidences. The best way to predict what products will form is to think of various possibilities and then decide which product is most likely to form.
Answer to Problem 25CR
Explanation of Solution
This is a combustion reaction in which Mg is rapidly reacting with oxygen producing a flame and MgO solid. This is also an
(d)
Interpretation:
The given equations should be completed and balanced
Concept Introduction:
Deciding which products will form when two or more reactants added together is not an easy task without any experimental evidences. The best way to predict what products will form is to think of various possibilities and then decide which product is most likely to form.
Answer to Problem 25CR
Explanation of Solution
This is an acid-base reaction in which H+ from the acid reacts with OH- from the base to form water. And ionic compound K2 SO4 salt is also formed. This is also a double displacement reaction. In the unbalanced equation,
(e)
Interpretation:
The given equations should be completed and balanced
Concept Introduction:
Deciding which products will form when two or more reactants added together is not an easy task without any experimental evidences. The best way to predict what products will form is to think of various possibilities and then decide which product is most likely to form.
Answer to Problem 25CR
Explanation of Solution
This is a precipitation reaction in which BaSO4 precipitate is formed. This is also a double displacement reaction which the two reactants have exchange their anions. In the unbalanced equation,
(f)
Interpretation:
The given equations should be completed and balanced
Concept Introduction:
Deciding which products will form when two or more reactants added together is not an easy task without any experimental evidences. The best way to predict what products will form is to think of various possibilities and then decide which product is most likely to form.
Answer to Problem 25CR
Explanation of Solution
This is a single displacement reaction because Mg has replaced the H atoms in sulfuric acid. This is also an Oxidation reduction reaction where Mg has oxidized and H has reduced. The equation is already balanced.
(g)
Interpretation:
The given equations should be completed and balanced
Concept Introduction:
Deciding which products will form when two or more reactants added together is not an easy task without any experimental evidences. The best way to predict what products will form is to think of various possibilities and then decide which product is most likely to form.
Answer to Problem 25CR
Explanation of Solution
This is a single precipitation reaction in which Ca3 (PO4 )2 precipitate is formed. This is also a double displacement reaction. In the unbalanced equation,
(h)
Interpretation:
The given equations should be completed and balanced
Concept Introduction:
Deciding which products will form when two or more reactants added together is not an easy task without any experimental evidences. The best way to predict what products will form is to think of various possibilities and then decide which product is most likely to form.
Answer to Problem 25CR
Explanation of Solution
This is a combustion reaction in which C4 H1 0 reacts with oxygen. This is also an oxidation reduction reaction where C4 H1 0 is oxidized and O2 is reduced. In the unbalanced equation,
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Chapter 7 Solutions
Introductory Chemistry: A Foundation
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