/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q6 E Write a balanced equation descri... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 4: Q6 E (page 214)

Write a balanced equation describing each of the following chemical reactions.

(a) Solid potassium chlorate, KClO3 decomposes to form solid potassium chloride and diatomic oxygen gas

(b) Solid aluminium metal reacts with solid diatomic iodine to form solid Al2I6

(c) When solid sodium chloride is added to aqueous sulfuric acid, hydrogen chloride gas and aqueous sodium sulfate are produced.

(d) Aqueous solutions of phosphoric acid and potassium hydroxide react to produce aqueous potassium dihydrogen phosphate and liquid water.

Short Answer

Expert verified

The balanced equations for the chemical reactions are as follows:

(a) \(2KCl{O_3}\left( s \right) \to 2KCl\left( s \right) + 3{O_2}\left( g \right)\)

(b) \(2Al\left( s \right) + 3{I_2}\left( s \right) \to A{l_2}{I_6}\left( s \right)\)

(c) \(2NaCl\left( s \right) + {H_2}S{O_4}(aq) \to 2HCl\left( g \right) + N{a_2}S{O_4}\left( {aq} \right)\)

(d) \({H_3}P{O_4}\left( {aq} \right) + KOH\left( {aq} \right) \to K{H_2}P{O_4}\left( {aq} \right) + {H_2}O\left( l \right)\)

Step by step solution

01

Balanced equation for decomposition of potassium chlorate

The balanced equation is as represented below:

\(2KCl{O_3}\left( s \right) \to 2KCl\left( s \right) + 3{O_2}\left( g \right)\)

Draw the balancing table using the coefficients and subscripts of the formulae.

Element

Reactant

Product

Balanced? yes

K

2脳1

2脳1

2=2

Cl

2脳1

2脳1

2=2

O

2脳3

3脳2

6=6

02

Balanced equation for reaction of aluminium with iodine

The balanced equation is as represented below:

\(2Al\left( s \right) + 3{I_2}\left( s \right) \to A{l_2}{I_6}\left( s \right)\)

Draw the balancing table using the coefficients and subscripts of the reaction formulae.

Element

Reactant

Product

Balanced? yes

Al

2脳1

1脳2

2=2

I

3脳2

1脳6

6=6

03

Balanced equation for reaction of sodium chloride with sulfuric acid

The balanced reaction is as given below:

\(2NaCl\left( s \right) + {H_2}S{O_4}(aq) \to 2HCl\left( g \right) + N{a_2}S{O_4}\left( {aq} \right)\)

Draw the balancing table using the coefficients and subscripts of the reaction formulae.

Element

Reactant

Product

Balanced? yes

Na

2脳1

1脳2

2=2

Cl

2脳1

2脳1

2=2

S

1脳1

1脳1

1=1

H

1脳2

2脳1

2=2

O

1脳4

1脳4

4=4

04

Balanced equation for reaction of phosphoric acid with potassium hydroxide

The balanced reaction is as given below:

\({H_3}P{O_4}\left( {aq} \right) + KOH\left( {aq} \right) \to K{H_2}P{O_4}\left( {aq} \right) + {H_2}O\left( l \right)\)

Draw the balancing table using the coefficients and subscripts of the reaction formulae.

Element

Reactant

Product

Balanced? yes

K

1脳1

1脳1

1=1

P

1脳1

1脳1

1=1

H

1脳3+1脳1

1脳2+1脳2

4=4

O

1脳4+1脳1

1脳4+1脳1

5=5

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.

Over 30 million students worldwide already upgrade their learning with 91影视!

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

In a common medical laboratory determination of the concentration of free chloride ion in blood serum, a serum sample is titrated with a Hg(NO3)2 solution.

2颁濒鈭�(aq) + Hg(NO3)2(aq)鉄�2狈翱3鈭�(aq) + HgCl2(s)

What is the Cl鈭� concentration in a 0.25-mL sample of normal serum that requires 1.46 mL of 8.25脳10鈭�4MHg(NO3)2(aq) to reach the end point?

What does it mean to say an equation is balanced? Why is it important for an equation to be balanced?

Potassium acid phthalate, KHC6H4O4or KHP, is used in many laboratories, including general chemistry laboratories, to standardize solutions of base. KHP is one of only a few stable solid acids that can be dried by warming and weighed. A 0.3420-g sample of KHC6H4O4 reacts with 35.73 mL of a NaOH solution in a titration. What is the molar concentration of the NaOH?

\({\rm{KH}}{{\rm{C}}_6}{{\rm{H}}_4}{{\rm{O}}_{4({\rm{aq}})}}{\rm{ + NaO}}{{\rm{H}}_{({\rm{aq}})}}{\rm{ }} \to {\rm{ KNa}}{{\rm{C}}_6}{{\rm{H}}_4}{{\rm{O}}_{4({\rm{aq}})}}{\rm{ + }}{{\rm{H}}_2}{{\rm{O}}_{({\rm{aq}})}}\)

Joseph Priestly prepared oxygen in 1774 by heating red mercury(II) oxide with sunlight focused through a lens. How much heat is required to decompose exactly 1 mole of red HgO(s) to Hg(l) and O2(g) under standard conditions?

A 0.025-g sample of a compound composed of boron and hydrogen, with a molecular mass of ~28 amu, burns spontaneously when exposed to air, producing 0.063 g of B2O3. What are the empirical and molecular formulas of the compound?
See all solutions

Recommended explanations on Chemistry Textbooks

Chemical Reactions

Read Explanation

Organic Chemistry

Read Explanation

The Earths Atmosphere

Read Explanation

Chemistry Branches

Read Explanation

Chemical Analysis

Read Explanation

Ionic and Molecular Compounds

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.