7.3.1: Practice Balancing Reactions
- Page ID
- 424675
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Balance Chemical Reactions
Exercise \(\PageIndex{1}\)
For each of the following, adjust the coefficients so the reaction is balanced.
NO2 (g) + H2O (l) \(\rightarrow\) HNO3 (aq) + NO (g)
- Answer
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3 NO2 (g) + H2O (l) \(\rightarrow\) 2 HNO3 (aq) + NO (g)
N2 (g) + O2 (g) \(\rightarrow\) N2O5 (g)
- Answer
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2 N2 (g) + 5 O2 (g) \(\rightarrow\) 2 N2O5 (g)
C5H10O (l) + O2 (g) \(\rightarrow\) CO2 (g) + H2O (g)
- Answer
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C5H10O (l) + 7 O2 (g) \(\rightarrow\) 5 CO2 (g) + 5 H2O (g)
ZnCl2 (aq) + AgNO3 (aq) \(\rightarrow\) Zn(NO3)2 (aq) + AgCl (s)
- Answer
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ZnCl2 (aq) + 2 AgNO3 (aq) \(\rightarrow\) Zn(NO3)2 (aq) + 2 AgCl (s)
BaCl2 (aq) + Na3PO4 (aq) \(\rightarrow\) Ba3(PO4)2 (s) + NaCl (aq)
- Answer
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3 BaCl2 (aq) + 2 Na3PO4 (aq) \(\rightarrow\) Ba3(PO4)2 (s) + 6 NaCl (aq)
C6H10 (l) + O2 (g) \(\rightarrow\) CO2 (g) + H2O (g)
- Answer
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2 C6H10 (l) + 17 O2 (g) \(\rightarrow\) 12 CO2 (g) + 10 H2O (g)
Mg (s) + HCl (aq) \(\rightarrow\) MgCl2 (aq) + H2 (g)
- Answer
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Mg (s) + 2 HCl (aq) \(\rightarrow\) MgCl2 (aq) + H2 (g)