Questions: Classify each chemical reaction: reaction type of reaction (check all that apply) Ca(s) + Br2(l) -> CaBr2(s) combination precipitation single replacement combustion double replacement acid-base decomposition KOH(aq) + HBrO(aq) -> KBrO(aq) + H2O(l) combination precipitation single replacement combustion double replacement acid-base decomposition NaCl(aq) + AgNO3(aq) -> NaNO3(aq) + AgCl(s) precipitation single replacement combustion double replacement acid-base decomposition CaCO3(s) -> CaO(s) + CO2(g) combination precipitation single replacement combustion double replacement acid-base decomposition

Classify each chemical reaction: reaction type of reaction (check all that apply) Ca(s) + Br2(l) -> CaBr2(s) combination precipitation single replacement combustion double replacement acid-base decomposition KOH(aq) + HBrO(aq) -> KBrO(aq) + H2O(l) combination precipitation single replacement combustion double replacement acid-base decomposition NaCl(aq) + AgNO3(aq) -> NaNO3(aq) + AgCl(s) precipitation single replacement combustion double replacement acid-base decomposition CaCO3(s) -> CaO(s) + CO2(g) combination precipitation single replacement combustion double replacement acid-base decomposition
Transcript text: Classify each chemical reaction: \begin{tabular}{|c|c|} \hline reaction & type of reaction (check all that apply) \\ \hline $\mathrm{Ca}(s)+\mathrm{Br}_{2}(l) \rightarrow \mathrm{CaBr}_{2}(s)$ & \begin{tabular}{ll} $\square$ combination & $\square$ precipitation \\ $\square$ single replacement & $\square$ combustion \\ $\square$ double replacement & $\square$ acid-base \\ $\square$ decomposition & \end{tabular} \\ \hline $\mathrm{KOH}(a q)+\mathrm{HBrO}(a q) \rightarrow \mathrm{KBrO}(a q)+\mathrm{H}_{2} \mathrm{O}(l)$ & combination precipitation single replacement combustion double replacement acid-base decomposition \\ \hline \[ \mathrm{NaCl}(a q)+\mathrm{AgNO}_{3}(a q) \rightarrow \mathrm{NaNO}_{3}(a q)+\mathrm{AgCl}(s) \] & precipitation single replacement combustion double replacement acid-base decomposition \\ \hline $\mathrm{CaCO}_{3}(s) \rightarrow \mathrm{CaO}(s)+\mathrm{CO}_{2}(g)$ & combination precipitation single replacement combustion double replacement acid-base decomposition \\ \hline \end{tabular}
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Solution

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Solution Steps

Step 1: Classify the first reaction

The reaction is: \[ \mathrm{Ca}(s) + \mathrm{Br}_2(l) \rightarrow \mathrm{CaBr}_2(s) \] This reaction involves the combination of calcium and bromine to form calcium bromide. This is a combination reaction.

Step 2: Classify the second reaction

The reaction is: \[ \mathrm{KOH}(aq) + \mathrm{HBrO}(aq) \rightarrow \mathrm{KBrO}(aq) + \mathrm{H}_2\mathrm{O}(l) \] This reaction involves the reaction of a base (KOH) with an acid (HBrO) to form a salt (KBrO) and water. This is an acid-base reaction.

Step 3: Classify the third reaction

The reaction is: \[ \mathrm{NaCl}(aq) + \mathrm{AgNO}_3(aq) \rightarrow \mathrm{NaNO}_3(aq) + \mathrm{AgCl}(s) \] This reaction involves the exchange of ions between two compounds, resulting in the formation of a precipitate (AgCl). This is a double replacement and precipitation reaction.

Final Answer

\[ \begin{array}{|c|c|} \hline \text{reaction} & \text{type of reaction (check all that apply)} \\ \hline \mathrm{Ca}(s)+\mathrm{Br}_{2}(l) \rightarrow \mathrm{CaBr}_{2}(s) & \begin{tabular}{ll} \boxed{\text{combination}} & \square \text{precipitation} \\ \square \text{single replacement} & \square \text{combustion} \\ \square \text{double replacement} & \square \text{acid-base} \\ \square \text{decomposition} & \end{tabular} \\ \hline \mathrm{KOH}(a q)+\mathrm{HBrO}(a q) \rightarrow \mathrm{KBrO}(a q)+\mathrm{H}_{2} \mathrm{O}(l) & \boxed{\text{acid-base}} \\ \hline \mathrm{NaCl}(a q)+\mathrm{AgNO}_{3}(a q) \rightarrow \mathrm{NaNO}_{3}(a q)+\mathrm{AgCl}(s) & \boxed{\text{double replacement, precipitation}} \\ \hline \mathrm{CaCO}_{3}(s) \rightarrow \mathrm{CaO}(s)+\mathrm{CO}_{2}(g) & \\ \hline \end{array} \]

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