Multiple Choice
Which of the following best describes the balanced chemical equation for the decomposition of water?
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3. Chemical Reactions
Balancing Chemical Equations
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Which of the following lists the reactants in the chemical equation: HCl(aq) + NaHCO_3(aq) → CO_2(g) + H_2O(l) + NaCl(aq)?
A
HCl(aq) and NaCl(aq)
B
CO_2(g) and H_2O(l)
C
HCl(aq) and NaHCO_3(aq)
D
NaCl(aq) and H_2O(l)
Verified step by step guidance1
Identify the reactants and products in the given chemical equation: \(\mathrm{HCl(aq) + NaHCO_3(aq) \rightarrow CO_2(g) + H_2O(l) + NaCl(aq)}\).
Recall that reactants are the substances present before the reaction occurs, located on the left side of the arrow.
Note that products are the substances formed as a result of the reaction, located on the right side of the arrow.
From the equation, the substances on the left side (reactants) are \(\mathrm{HCl(aq)}\) and \(\mathrm{NaHCO_3(aq)}\).
Therefore, the correct list of reactants is \(\mathrm{HCl(aq)}\) and \(\mathrm{NaHCO_3(aq)}\).
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