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The thermite reaction produces so much energy (heat) that the iron is initially formed as a liquid. mg src=Images/HTML_99425-7-44QAP_image001.jpg alt="" align="top"/> mg src=Images/HTML_99425-7-44QAP_image002.jpg alt="" align="top"/> scribe the transfer of electrons for both the aluminum and iron.

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Introductory Chemistry: A Foundati...

8th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781285199030

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Chapter
Section
BuyFindarrow_forward

Introductory Chemistry: A Foundati...

8th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781285199030
Chapter 7, Problem 44QAP
Textbook Problem
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The thermite reaction produces so much energy (heat) that the iron is initially formed as a liquid.

mg src=Images/HTML_99425-7-44QAP_image001.jpg alt="" align="top"/>

mg src=Images/HTML_99425-7-44QAP_image002.jpg alt="" align="top"/>

scribe the transfer of electrons for both the aluminum and iron.

Interpretation Introduction

Interpretation:

To describe the transfer of electron for both the aluminium and iron in the reaction: 2Al (s) + Fe2O3 (s)   2Fe(s) + Al2O3 (s)   .

Concept Introduction:

The most common driving forces which create product in chemical reactions are as follows:

  1. Formation of a solid.
  2. Formation of water.
  3. Transfer of electrons.
  4. Formation of gas.

Oxidation-reduction reaction is known as redox reaction. In these types of reaction one reactant is oxidized and another is reduced.

Oxidation: Oxidation is a process in which either 1 or all following changes occurs:

  1. Gaining of oxygen atoms.
  2. Increasing oxidation number.
  3. Loss of hydrogen atom.
  4. Loss of electrons.

Reduction: Reduction is a process in which either 1 or all following changes occurs:

  1. Loss of oxygen atoms.
  2. Decreasing oxidation number.
  3. Gaining of hydrogen atom.
  4. Gaining of electrons.

Explanation of Solution

Oxidation-reduction reaction is known as redox reaction. In these types of reaction one reactant is oxidized and another is reduced.

In the given reaction aluminium metal is oxidized because it loses electron and iron metal is reduced by accepting elections.

                        2Al (s) + Fe2O3 (s)   2Fe(s) + Al2O3 (s)   OxidationNumber                   0     

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Chapter 7 Solutions

Introductory Chemistry: A Foundation
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Ch. 7 - ixing an aqueous solution of potassium nitrate...Ch. 7 - hy is the formation of water evidence of a...Ch. 7 - se the Arrhenius definition of acids and bases to...Ch. 7 - hy is the transfer of electrons evidence of a...Ch. 7 - hy is the formation of a gas evidence of a...Ch. 7 - Label each of the following statements as true or...Ch. 7 - Look at Fig. 7.2 in the text. It is possible for a...Ch. 7 - What is the purpose of spectator ions? If they are...Ch. 7 - Which of the following must be an...Ch. 7 - If an element is a reactant or product in a...Ch. 7 - Match each names below with the following...Ch. 7 - On the basis of the general solubility rules given...Ch. 7 - Write the balanced formula and net ionic equation...Ch. 7 - hy is water an important solvent? Although you...Ch. 7 - hat is a “driving force”? 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