Respuesta :
Explanation:
a) [tex]CaCO_3(s) \overset{\Delta }\rightarrow CaO(s)+ CO_2(g0[/tex]
1 mol of solid calcium carbonate on heating gives 1 mol of calcium oxide and 1 mol of carbon dioxide gas.
b)[tex]2C_4H_{10}(g)+13O_2(g)\rightarrow 8CO_2(g)+10H_2O(g)[/tex]
2 moles of butane gas when reacts with 13 moles of diatomic oxygen gas to give 8 moles of carbon dioxide gas and 10 moles of water vapors.
c)[tex]MgCl_2(aq)+2NaOH(aq)\rightarrow 2NaCl(aq)+Mg(OH)_2(s)[/tex]
1 mol of magnesium Cordelia reacts with 2 moles of sodium hydroxide to give 2 moles of aqueous sodium chloride solution and 1 mol of solid magnesium hydroxide.
d)[tex]2H_2O(g)+2Na(s)\rightarrow 2NaOH+H_2[/tex]
2 mole sof water vapors reacts with 2 moles of sodium metal to give 2 moles of solid sodium hydroxide and 1 mol of hydrogen gas.
The balanced molecular equations describing each of the chemical reactions are
(a) CaCO₃(s) → CaO(s) + CO₂(g)
(b) C₄H₁₀(g) + O₂(g) → CO₂(g) + H₂O(g)
(c) MgCl₂(aq) + NaOH(aq) → Mg(OH)₂(s) + NaCl(aq)
(d) H₂O(g) + Na(s) → NaOH(s) + H₂(g)
Balancing chemical equations
From the question, we are to write the balanced molecular equation for each of the reaction
(a) Solid calcium carbonate is heated and decomposes to sold calcium oxide and carbon dioxide
The balanced molecular equation for this reaction is
CaCO₃(s) → CaO(s) + CO₂(g)
(b) Gaseous butane, C4H10, reacts with diatomic oxygen gas to yield gaseous carbon dioxide and water vapor
The balanced molecular equation for this reaction is
C₄H₁₀(g) + O₂(g) → CO₂(g) + H₂O(g)
(c) Aqueous Solutions of magnesium chloride and sodium hydroxide react to produce solid magnesium hydroxide and aqueous sodium chloride
The balanced molecular equation for this reaction is
MgCl₂(aq) + NaOH(aq) → Mg(OH)₂(s) + NaCl(aq)
(d) Water vapor reacts with sodium metal to produce solid sodium hydroxide and hydrogen gas
The balanced molecular equation for this reaction is
H₂O(g) + Na(s) → NaOH(s) + H₂(g)
Learn more on writing Balancing chemical equations here: https://brainly.com/question/13575828
