Solved: Balancing Chemical EquationsBalance the

Chapter , Problem 2PE

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Balancing Chemical Equations

Balance the equation

$\mathrm{Na}(s)+\mathrm{H}_{2} \mathrm{O}(l) \longrightarrow \mathrm{NaOH}(a q)+\mathrm{H}_{2}(g)$

Balance these equations by providing the missing coefficients:
(a) __$\mathrm {Fe}(s)$ + __$\mathrm {O_2}(g)\longrightarrow$ __$\mathrm {Fe_2O_3}(s)$

(b) __$\mathrm{Al}(s)$ + __$\operatorname{HCl}(a q)\longrightarrow$ __$\mathrm{AlCl}_{3}(a q)$ + __$\mathrm{H}_{2}(g)$

(c) __$\mathrm{CaCO}_{3}(s)$ + __$\operatorname{HCl}(a q)\longrightarrow$ __$\mathrm {CaCl_2}(aq)$ + __$\mathrm {CO_2}(g)$ + __$\mathrm {H_2O}(l)$

$\$

Equation Transcription:

$Na(s)+{H}_{2}O(l)\rightarrow{}NaOH(aq)+{H}_{2}(g)$

$Fe(s)$

${O}_{2}(g)\rightarrow{}$

$F{e}_{2}{O}_{3}(s)$

$Al(s)$

$HCl(aq)\rightarrow{}$

$AlC{l}_{3}(aq)$

${H}_{2}(g)$

$CaC{O}_{3}(s)$

$HCl(aq)$

$CaC{l}_{2}(aq)$

$C{O}_{2}(g)$

${H}_{2}O(l)$

Text Transcription:

Na(s)+H_{2}O(l){rightarrow}NaOH(aq)+H_{2}(g)

Fe(s)

O_{2}(g)

Fe_{2}O_{3}(s)

Al(s)

HCl(aq)

AlCl_{3}(aq)

H_{2}(g)

CaCO_{3}(s)

HCl(aq)

CaCl_{2}(aq)

CO_{2}(g)

H_{2}O(l)

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