Log out Go to App
Go to App

Learning Materials

Features

Discover

Chapter 14: Problem 28

Write a balanced equation for each reaction: (a) Thermal decomposition of witherite (barium carbonate) (b) Neutralization of stomach acid (HCI) by milk of magnesia (magnesium hydroxide)

Short Answer

Expert verified
(a) \(\text{BaCO}_{3(s)} \rightarrow \text{BaO}_{(s)} + \text{CO}_{2(g)}\); (b) \(2\text{HCl}_{(aq)} + \text{Mg(OH)}_{2(s)} \rightarrow \text{MgCl}_{2(aq)} + 2\text{H}_{2}\text{O}_{(l)}\).

Step by step solution

01

Understand Thermal Decomposition

Thermal decomposition occurs when a compound breaks down into simpler substances when heated. For witherite (barium carbonate), the equation involves BaCO₃ decomposing to form barium oxide (BaO) and carbon dioxide (CO₂).
02

Write the Decomposition Equation

Write down the decomposition reaction for barium carbonate:\[\text{BaCO}_{3(s)} \rightarrow \text{BaO}_{(s)} + \text{CO}_{2(g)}\]Ensure each element is balanced on both sides of the equation.
03

Understand Neutralization Reaction

Neutralization is a chemical reaction between an acid and a base that produces water and a salt. The reaction between hydrochloric acid (HCl) and magnesium hydroxide (Mg(OH)₂) involves these compounds.
04

Write the Neutralization Equation

Write the balanced neutralization equation for HCl and Mg(OH)₂:\[2\text{HCl}_{(aq)} + \text{Mg(OH)}_{2(s)} \rightarrow \text{MgCl}_{2(aq)} + 2\text{H}_{2}\text{O}_{(l)}\]Ensure each element is balanced on both sides of the equation.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Thermal Decomposition
Thermal decomposition is a type of chemical reaction where a compound breaks down into simpler substances when it is heated. This process requires energy in the form of heat. One common example is the decomposition of witherite, or barium carbonate (BaCO₃). When barium carbonate is heated, it splits into barium oxide (BaO) and carbon dioxide (CO₂). Here is the balanced equation for the reaction:\[ \text{BaCO}_{3(s)} \rightarrow \text{BaO}_{(s)} + \text{CO}_{2(g)} \]In this equation, the subscript \

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

What is a disproportionation reaction, and which of the following fit the description? (a) \(\mathrm{I}_{2}(s)+\mathrm{KI}(a q) \longrightarrow \mathrm{KI}_{3}(a q)\) (b) \(2 \mathrm{ClO}_{2}(g)+\mathrm{H}_{2} \mathrm{O}(I) \longrightarrow \mathrm{HClO}_{3}(a q)+\mathrm{HClO}_{2}(a q)\) (c) \(\mathrm{Cl}_{2}(g)+2 \mathrm{NaOH}(a q) \longrightarrow \mathrm{NaCl}(a q)+\mathrm{NaClO}(a q)+\mathrm{H}_{2} \mathrm{O}(l)\) (d) \(\mathrm{NH}_{4} \mathrm{NO}_{2}(s) \longrightarrow \mathrm{N}_{2}(g)+2 \mathrm{H}_{2} \mathrm{O}(g)\) (e) \(3 \mathrm{MnO}_{4}^{2-}(a q)+2 \mathrm{H}_{2} \mathrm{O}(l) \longrightarrow$$$ 2 \mathrm{MnO}_{4}^{-}(a q)+\mathrm{MnO}_{2}(s)+4 \mathrm{OH}^{-}(a q)$$ (f) \)3 \mathrm{AuCl}(s) \longrightarrow \mathrm{AuCl}_{3}(s)+2 \mathrm{Au}(s)$

Complete and balance the following: (a) \(\mathrm{NaHSO}_{4}(a q)+\mathrm{NaOH}(a q) \longrightarrow\) (b) \(\mathrm{S}_{8}(s)+\operatorname{excess} \mathrm{F}_{2}(g) \longrightarrow\) (c) \(\mathrm{FeS}(s)+\mathrm{HCl}(a q) \longrightarrow\) (d) \(\mathrm{Te}(s)+\mathrm{I}_{2}(s) \longrightarrow\)

Given the following information, $$\begin{array}{rlrr}\mathrm{H}^{+}(g)+\mathrm{H}_{2} \mathrm{O}(g) & \longrightarrow \mathrm{H}_{3} \mathrm{O}^{+}(g) & \Delta H=-720 \mathrm{~kJ} \\\ \mathrm{H}^{+}(g)+\mathrm{H}_{2} \mathrm{O}(l) & \longrightarrow \mathrm{H}_{3} \mathrm{O}^{+}(a q) & & \Delta H=-1090 \mathrm{~kJ} \\ \mathrm{H}_{2} \mathrm{O}(l) & \longrightarrow \mathrm{H}_{2} \mathrm{O}(g) & \Delta H= & 40.7 \mathrm{~kJ} \end{array}$$ calculate the heat of solution of the hydronium ion: $$\mathrm{H}_{3} \mathrm{O}^{+}(g) \stackrel{\mathrm{H}_{3} \mathrm{O}}{\longrightarrow} \mathrm{H}_{3} \mathrm{O}^{+}(a q)$$

Draw Lewis structures for the following compounds, and predict which member of each pair will form \(\mathrm{H}\) bonds: (a) \(\mathrm{NH}_{3}\) or \(\mathrm{AsH}_{3}\) (b) \(\mathrm{CH}_{4}\) or \(\mathrm{H}_{2} \mathrm{O}\)

The triatomic molecular ion \(\mathrm{H}_{3}^{+}\) was first detected and characterized by J. J. Thomson using mass spectrometry. Use the bond energy of \(\mathrm{H}_{2}(432 \mathrm{~kJ} / \mathrm{mol})\) and the proton affinity of \(\mathrm{H}_{2}\left(\mathrm{H}_{2}+\mathrm{H}^{+} \longrightarrow \mathrm{H}_{3}^{+} ; \Delta H=-337 \mathrm{~kJ} / \mathrm{mol}\right)\) to calculate the en thalpy of reaction for \(\mathrm{H}+\mathrm{H}+\mathrm{H}^{+} \longrightarrow \mathrm{H}_{3}^{+}\)
See all solutions

Recommended explanations on Chemistry Textbooks

Nuclear Chemistry

Read Explanation

Making Measurements

Read Explanation

Chemical Analysis

Read Explanation

Chemistry Branches

Read Explanation

Chemical Reactions

Read Explanation

The Earths Atmosphere

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.

Sign-up for free