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Which equation has water as a reactant in the chemical reaction?

A. [tex]Na + H_2O \rightarrow NaOH + H_2[/tex]
B. [tex]H_2 + O_2 \rightarrow H_2O[/tex]
C. [tex]CO_2 + O_2 + \text{energy} \rightarrow C_6H_{12}O_6 + O_2[/tex]
D. [tex]Na + Cl \rightarrow NaCl[/tex]

Sagot :

GinnyAnsweridn
Certainly! To determine which equation has water (H₂O) as a reactant in the chemical reaction, we'll analyze each equation:

A. [tex]\( Na + H_2O \rightarrow NaOH + H_2 \)[/tex]

In this equation, [tex]\( H_2O \)[/tex] is clearly present on the left-hand side of the reaction, which means it is a reactant.

B. [tex]\( H_2 + O_2 \rightarrow H_2O \)[/tex]

In this equation, [tex]\( H_2O \)[/tex] is found on the right-hand side, which means it is a product, not a reactant.

C. [tex]\( CO_2 + O_2 + \text{energy} \rightarrow C_6H_{12}O_6 + O_2 \)[/tex]

Here, [tex]\( H_2O \)[/tex] does not appear on either side of the equation, meaning it is neither a reactant nor a product.

D. [tex]\( Na + Cl \rightarrow NaCl \)[/tex]

In this equation, [tex]\( H_2O \)[/tex] is also not present on either side of the reaction.

Based on this analysis, the equation that has water (H₂O) as a reactant is:

A. [tex]\( Na + H_2O \rightarrow NaOH + H_2 \)[/tex]
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