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Chapter 22: Problem 67

Write a balanced equation for each of the following reactions: (a) Hydrogen cyanide is formed commercially by passing a mixture of methane, ammonia, and air over catalyst at \(800^{\circ} \mathrm{C} .\) Water is a by-product of the reaction. (b) Baking soda reacts with acids to produce carbon dioxide gas. (c) When barium carbonate reacts in air with sulfur dioxide, barium sulfate and carbon dioxide form.

Short Answer

Expert verified
The balanced equations for the given reactions are as follows: (a) 2CH4(g) + 2NH3(g) + 3O2(g) → 2HCN(g) + 6H2O(g) (b) NaHCO3(s) + HX(aq) → NaX(aq) + CO2(g) + H2O(l) (c) BaCO3(s) + SO2(g) → BaSO4(s) + CO2(g)

Step by step solution

01

Reaction (a): Formation of hydrogen cyanide

The formation of hydrogen cyanide can be represented by the following equation: CH4(g) + NH3(g) + O2(g) → HCN(g) + H2O(g) Now, we need to balance this equation. The balanced equation is: 2CH4(g) + 2NH3(g) + 3O2(g) → 2HCN(g) + 6H2O(g)
02

Reaction (b): Baking soda reacting with an acid

Since no specific acid is mentioned, let's assume it reacts with a generic acid, HX, where X represents the anion of the acid. Baking soda reacts with acid to produce carbon dioxide gas, sodium salt, and water. The equation is: NaHCO3(s) + HX(aq) → NaX(aq) + CO2(g) + H2O(l) This equation is already balanced.
03

Reaction (c): Barium carbonate reacting with sulfur dioxide

The reaction between barium carbonate and sulfur dioxide can be represented by the following equation: BaCO3(s) + SO2(g) → BaSO4(s) + CO2(g) This equation is also already balanced.

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Most popular questions from this chapter

Name the following compounds and assign oxidation states to the halogens in them: (a) \(\mathrm{Fe}\left(\mathrm{ClO}_{3}\right)_{3},(\mathbf{b}) \mathrm{HClO}_{2}\) (c) \(\mathrm{XeF}_{6},(\mathbf{d}) \mathrm{BrF}_{5},(\mathbf{e}) \mathrm{XeOF}_{4},(\mathbf{f}) \mathrm{HIO}_{3}\)

Give the chemical formula for (a) hydrocyanic acid, (b) nickel tetracarbonyl, (c) barium bicarbonate, (d) calcium acetylide, (e) potassium carbonate.

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