Explain the purpose of limestone, CaCO 3 , in the blast furnace during the production of iron from iron ore and write the balanced equations involved. Concept introduction: Extracting a metal from ore requires three main steps: (1) concentration of the ore, and if necessary, chemical treatment prior to reduction; (2) reduction of the mineral to the free metal; (3) refining or purification of the metal. Roasting is the process of heating the sulfide minerals in air (O 2 ) to form metal-oxides Metal-oxides will undergo reduction with carbon, hydrogen, or a more active metal. The most active metals must be reduced by the process of electrolysis . A blast furnace is used in the production of commercial iron which extracts iron from iron ore. To classify: The purpose of limestone in iron ore production and the balanced equations.

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Answer 1

Question

Chapter 21, Problem 21.49SP

Interpretation Introduction

Interpretation:

Explain the purpose of limestone, CaCO₃, in the blast furnace during the production of iron from iron ore and write the balanced equations involved.

Concept introduction:

Extracting a metal from ore requires three main steps: (1) concentration of the ore, and if necessary, chemical treatment prior to reduction; (2) reduction of the mineral to the free metal; (3) refining or purification of the metal.

Roasting is the process of heating the sulfide minerals in air (O₂) to form metal-oxides
Metal-oxides will undergo reduction with carbon, hydrogen, or a more active metal.
The most active metals must be reduced by the process of electrolysis.
A blast furnace is used in the production of commercial iron which extracts iron from iron ore.

To classify:The purpose of limestone in iron ore production and the balanced equations.

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Answer 2

Question

Chapter 21, Problem 21.49SP

Interpretation Introduction

Interpretation:

Explain the purpose of limestone, CaCO₃, in the blast furnace during the production of iron from iron ore and write the balanced equations involved.

Concept introduction:

Extracting a metal from ore requires three main steps: (1) concentration of the ore, and if necessary, chemical treatment prior to reduction; (2) reduction of the mineral to the free metal; (3) refining or purification of the metal.

Roasting is the process of heating the sulfide minerals in air (O₂) to form metal-oxides
Metal-oxides will undergo reduction with carbon, hydrogen, or a more active metal.
The most active metals must be reduced by the process of electrolysis.
A blast furnace is used in the production of commercial iron which extracts iron from iron ore.

To classify:The purpose of limestone in iron ore production and the balanced equations.

Expert Solution & Answer

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Answer 3

Question

Chapter 21, Problem 21.49SP

Interpretation Introduction

Interpretation:

Explain the purpose of limestone, CaCO₃, in the blast furnace during the production of iron from iron ore and write the balanced equations involved.

Concept introduction:

Extracting a metal from ore requires three main steps: (1) concentration of the ore, and if necessary, chemical treatment prior to reduction; (2) reduction of the mineral to the free metal; (3) refining or purification of the metal.

Roasting is the process of heating the sulfide minerals in air (O₂) to form metal-oxides
Metal-oxides will undergo reduction with carbon, hydrogen, or a more active metal.
The most active metals must be reduced by the process of electrolysis.
A blast furnace is used in the production of commercial iron which extracts iron from iron ore.

To classify:The purpose of limestone in iron ore production and the balanced equations.

Expert Solution & Answer

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Answer 4

Question

Chapter 21, Problem 21.49SP

Interpretation Introduction

Interpretation:

Explain the purpose of limestone, CaCO₃, in the blast furnace during the production of iron from iron ore and write the balanced equations involved.

Concept introduction:

Extracting a metal from ore requires three main steps: (1) concentration of the ore, and if necessary, chemical treatment prior to reduction; (2) reduction of the mineral to the free metal; (3) refining or purification of the metal.

Roasting is the process of heating the sulfide minerals in air (O₂) to form metal-oxides
Metal-oxides will undergo reduction with carbon, hydrogen, or a more active metal.
The most active metals must be reduced by the process of electrolysis.
A blast furnace is used in the production of commercial iron which extracts iron from iron ore.

To classify:The purpose of limestone in iron ore production and the balanced equations.

Expert Solution & Answer

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Answer 5

Chapter 21, Problem 21.49SP

Interpretation Introduction

Interpretation:

Explain the purpose of limestone, CaCO₃, in the blast furnace during the production of iron from iron ore and write the balanced equations involved.

Concept introduction:

Extracting a metal from ore requires three main steps: (1) concentration of the ore, and if necessary, chemical treatment prior to reduction; (2) reduction of the mineral to the free metal; (3) refining or purification of the metal.

Roasting is the process of heating the sulfide minerals in air (O₂) to form metal-oxides
Metal-oxides will undergo reduction with carbon, hydrogen, or a more active metal.
The most active metals must be reduced by the process of electrolysis.
A blast furnace is used in the production of commercial iron which extracts iron from iron ore.

To classify:The purpose of limestone in iron ore production and the balanced equations.

Answer 6

Chapter 21, Problem 21.49SP

Interpretation Introduction

Interpretation:

Explain the purpose of limestone, CaCO₃, in the blast furnace during the production of iron from iron ore and write the balanced equations involved.

Concept introduction:

Extracting a metal from ore requires three main steps: (1) concentration of the ore, and if necessary, chemical treatment prior to reduction; (2) reduction of the mineral to the free metal; (3) refining or purification of the metal.

Roasting is the process of heating the sulfide minerals in air (O₂) to form metal-oxides
Metal-oxides will undergo reduction with carbon, hydrogen, or a more active metal.
The most active metals must be reduced by the process of electrolysis.
A blast furnace is used in the production of commercial iron which extracts iron from iron ore.

To classify:The purpose of limestone in iron ore production and the balanced equations.

Answer 7

Chapter 21, Problem 21.49SP

Interpretation Introduction

Interpretation:

Explain the purpose of limestone, CaCO₃, in the blast furnace during the production of iron from iron ore and write the balanced equations involved.

Concept introduction:

Extracting a metal from ore requires three main steps: (1) concentration of the ore, and if necessary, chemical treatment prior to reduction; (2) reduction of the mineral to the free metal; (3) refining or purification of the metal.

Roasting is the process of heating the sulfide minerals in air (O₂) to form metal-oxides
Metal-oxides will undergo reduction with carbon, hydrogen, or a more active metal.
The most active metals must be reduced by the process of electrolysis.
A blast furnace is used in the production of commercial iron which extracts iron from iron ore.

To classify:The purpose of limestone in iron ore production and the balanced equations.

Answer 8

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Answer 10

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Answer 11

Ch. 21 - Prob. 21.1P Ch. 21 - Prob. 21.2P Ch. 21 - Prob. 21.3P Ch. 21 - Prob. 21.4A Ch. 21 - Prob. 21.5P Ch. 21 - Prob. 21.6A Ch. 21 - Prob. 21.7P Ch. 21 - Prob. 21.8P Ch. 21 - Prob. 21.9A Ch. 21 - Prob. 21.10P

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Chapter 21 Solutions