How is a fuel cell differing from other batteries has to be described. Concept introduction: Electrochemical cell is a device capable of converting chemical energy into electrical energy or induces chemical energy by electrical energy. In the galvanic cell spontaneous redox reaction takes place. Redox reaction means the reaction in which the oxidation state of the atoms changes due to the occurrence of both reduction and its complementary oxidation reactions. The element under oxidation reaction loses electron whereas the element in the reduction gains electron. Battery: It is a storage device used for the storage of chemical energy and for the transformation of chemical energy into electrical energy. Rechargeable battery work because they use reaction are reversible, while non- rechargeable battery they use reactions are non-reversible.

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Answer 1

Question

Chapter 8.5, Problem 8.14CT

(a)

Interpretation Introduction

Interpretation:

How is a fuel cell differing from other batteries has to be described.

Concept introduction:

Electrochemical cell is a device capable of converting chemical energy into electrical energy or induces chemical energy by electrical energy. In the galvanic cell spontaneous redox reaction takes place. Redox reaction means the reaction in which the oxidation state of the atoms changes due to the occurrence of both reduction and its complementary oxidation reactions. The element under oxidation reaction loses electron whereas the element in the reduction gains electron.

Battery: It is a storage device used for the storage of chemical energy and for the transformation of chemical energy into electrical energy.

Rechargeable battery work because they use reaction are reversible, while non-rechargeable battery they use reactions are non-reversible.

(b)

Interpretation Introduction

Interpretation:

Wheather a PEM fuel cell can be rechargeable cell (or) not has to be explained.

Concept introduction:

PEM fuel cell: These cells work with a polymer electrolyte in the form of a thin permeable sheet and allow hydrogen protons to pass through but prohibit the passage of electrons and heavier gas.

Battery: It is a storage device used for the storage of chemical energy and for the transformation of chemical energy into electrical energy.

Rechargeable battery work because they use reaction are reversible, while non-rechargeable battery they use reactions are non-reversible.

(c)

Interpretation Introduction

Interpretation:

Why the combination of H2 and O2 in a fuel cell not classified as combustion has to be explained.

Concept introduction:

A Fuel is a substance that releases energy when it gets burnt in presence of Oxygen. The phenomenon a substance getting burnt in presence of Oxygen is termed as combustion and it is exothermic process. The larger the amount of heat released per gram of a substance, greater the potential it has to be a fuel.

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Answer 2

Question

Chapter 8.5, Problem 8.14CT

(a)

Interpretation Introduction

Interpretation:

How is a fuel cell differing from other batteries has to be described.

Concept introduction:

Electrochemical cell is a device capable of converting chemical energy into electrical energy or induces chemical energy by electrical energy. In the galvanic cell spontaneous redox reaction takes place. Redox reaction means the reaction in which the oxidation state of the atoms changes due to the occurrence of both reduction and its complementary oxidation reactions. The element under oxidation reaction loses electron whereas the element in the reduction gains electron.

Battery: It is a storage device used for the storage of chemical energy and for the transformation of chemical energy into electrical energy.

Rechargeable battery work because they use reaction are reversible, while non-rechargeable battery they use reactions are non-reversible.

(b)

Interpretation Introduction

Interpretation:

Wheather a PEM fuel cell can be rechargeable cell (or) not has to be explained.

Concept introduction:

PEM fuel cell: These cells work with a polymer electrolyte in the form of a thin permeable sheet and allow hydrogen protons to pass through but prohibit the passage of electrons and heavier gas.

Battery: It is a storage device used for the storage of chemical energy and for the transformation of chemical energy into electrical energy.

Rechargeable battery work because they use reaction are reversible, while non-rechargeable battery they use reactions are non-reversible.

(c)

Interpretation Introduction

Interpretation:

Why the combination of H2 and O2 in a fuel cell not classified as combustion has to be explained.

Concept introduction:

A Fuel is a substance that releases energy when it gets burnt in presence of Oxygen. The phenomenon a substance getting burnt in presence of Oxygen is termed as combustion and it is exothermic process. The larger the amount of heat released per gram of a substance, greater the potential it has to be a fuel.

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Answer 3

Question

Chapter 8.5, Problem 8.14CT

(a)

Interpretation Introduction

Interpretation:

How is a fuel cell differing from other batteries has to be described.

Concept introduction:

Electrochemical cell is a device capable of converting chemical energy into electrical energy or induces chemical energy by electrical energy. In the galvanic cell spontaneous redox reaction takes place. Redox reaction means the reaction in which the oxidation state of the atoms changes due to the occurrence of both reduction and its complementary oxidation reactions. The element under oxidation reaction loses electron whereas the element in the reduction gains electron.

Battery: It is a storage device used for the storage of chemical energy and for the transformation of chemical energy into electrical energy.

Rechargeable battery work because they use reaction are reversible, while non-rechargeable battery they use reactions are non-reversible.

(b)

Interpretation Introduction

Interpretation:

Wheather a PEM fuel cell can be rechargeable cell (or) not has to be explained.

Concept introduction:

PEM fuel cell: These cells work with a polymer electrolyte in the form of a thin permeable sheet and allow hydrogen protons to pass through but prohibit the passage of electrons and heavier gas.

Battery: It is a storage device used for the storage of chemical energy and for the transformation of chemical energy into electrical energy.

Rechargeable battery work because they use reaction are reversible, while non-rechargeable battery they use reactions are non-reversible.

(c)

Interpretation Introduction

Interpretation:

Why the combination of H2 and O2 in a fuel cell not classified as combustion has to be explained.

Concept introduction:

A Fuel is a substance that releases energy when it gets burnt in presence of Oxygen. The phenomenon a substance getting burnt in presence of Oxygen is termed as combustion and it is exothermic process. The larger the amount of heat released per gram of a substance, greater the potential it has to be a fuel.

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Answer 4

Question

Chapter 8.5, Problem 8.14CT

(a)

Interpretation Introduction

Interpretation:

How is a fuel cell differing from other batteries has to be described.

Concept introduction:

Electrochemical cell is a device capable of converting chemical energy into electrical energy or induces chemical energy by electrical energy. In the galvanic cell spontaneous redox reaction takes place. Redox reaction means the reaction in which the oxidation state of the atoms changes due to the occurrence of both reduction and its complementary oxidation reactions. The element under oxidation reaction loses electron whereas the element in the reduction gains electron.

Battery: It is a storage device used for the storage of chemical energy and for the transformation of chemical energy into electrical energy.

Rechargeable battery work because they use reaction are reversible, while non-rechargeable battery they use reactions are non-reversible.

(b)

Interpretation Introduction

Interpretation:

Wheather a PEM fuel cell can be rechargeable cell (or) not has to be explained.

Concept introduction:

PEM fuel cell: These cells work with a polymer electrolyte in the form of a thin permeable sheet and allow hydrogen protons to pass through but prohibit the passage of electrons and heavier gas.

Battery: It is a storage device used for the storage of chemical energy and for the transformation of chemical energy into electrical energy.

Rechargeable battery work because they use reaction are reversible, while non-rechargeable battery they use reactions are non-reversible.

(c)

Interpretation Introduction

Interpretation:

Why the combination of H2 and O2 in a fuel cell not classified as combustion has to be explained.

Concept introduction:

A Fuel is a substance that releases energy when it gets burnt in presence of Oxygen. The phenomenon a substance getting burnt in presence of Oxygen is termed as combustion and it is exothermic process. The larger the amount of heat released per gram of a substance, greater the potential it has to be a fuel.

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Answer 5

Chapter 8.5, Problem 8.14CT

(a)

Interpretation Introduction

Interpretation:

How is a fuel cell differing from other batteries has to be described.

Concept introduction:

Electrochemical cell is a device capable of converting chemical energy into electrical energy or induces chemical energy by electrical energy. In the galvanic cell spontaneous redox reaction takes place. Redox reaction means the reaction in which the oxidation state of the atoms changes due to the occurrence of both reduction and its complementary oxidation reactions. The element under oxidation reaction loses electron whereas the element in the reduction gains electron.

Battery: It is a storage device used for the storage of chemical energy and for the transformation of chemical energy into electrical energy.

Rechargeable battery work because they use reaction are reversible, while non-rechargeable battery they use reactions are non-reversible.

(b)

Interpretation Introduction

Interpretation:

Wheather a PEM fuel cell can be rechargeable cell (or) not has to be explained.

Concept introduction:

PEM fuel cell: These cells work with a polymer electrolyte in the form of a thin permeable sheet and allow hydrogen protons to pass through but prohibit the passage of electrons and heavier gas.

Battery: It is a storage device used for the storage of chemical energy and for the transformation of chemical energy into electrical energy.

Rechargeable battery work because they use reaction are reversible, while non-rechargeable battery they use reactions are non-reversible.

(c)

Interpretation Introduction

Interpretation:

Why the combination of H2 and O2 in a fuel cell not classified as combustion has to be explained.

Concept introduction:

A Fuel is a substance that releases energy when it gets burnt in presence of Oxygen. The phenomenon a substance getting burnt in presence of Oxygen is termed as combustion and it is exothermic process. The larger the amount of heat released per gram of a substance, greater the potential it has to be a fuel.

Answer 6

Chapter 8.5, Problem 8.14CT

(a)

Interpretation Introduction

Interpretation:

How is a fuel cell differing from other batteries has to be described.

Concept introduction:

Electrochemical cell is a device capable of converting chemical energy into electrical energy or induces chemical energy by electrical energy. In the galvanic cell spontaneous redox reaction takes place. Redox reaction means the reaction in which the oxidation state of the atoms changes due to the occurrence of both reduction and its complementary oxidation reactions. The element under oxidation reaction loses electron whereas the element in the reduction gains electron.

Battery: It is a storage device used for the storage of chemical energy and for the transformation of chemical energy into electrical energy.

Rechargeable battery work because they use reaction are reversible, while non-rechargeable battery they use reactions are non-reversible.

Answer 7

Chapter 8.5, Problem 8.14CT

(a)

Interpretation Introduction

Interpretation:

How is a fuel cell differing from other batteries has to be described.

Concept introduction:

Electrochemical cell is a device capable of converting chemical energy into electrical energy or induces chemical energy by electrical energy. In the galvanic cell spontaneous redox reaction takes place. Redox reaction means the reaction in which the oxidation state of the atoms changes due to the occurrence of both reduction and its complementary oxidation reactions. The element under oxidation reaction loses electron whereas the element in the reduction gains electron.

Battery: It is a storage device used for the storage of chemical energy and for the transformation of chemical energy into electrical energy.

Rechargeable battery work because they use reaction are reversible, while non-rechargeable battery they use reactions are non-reversible.

Answer 8

(b)

Interpretation Introduction

Interpretation:

Wheather a PEM fuel cell can be rechargeable cell (or) not has to be explained.

Concept introduction:

PEM fuel cell: These cells work with a polymer electrolyte in the form of a thin permeable sheet and allow hydrogen protons to pass through but prohibit the passage of electrons and heavier gas.

Battery: It is a storage device used for the storage of chemical energy and for the transformation of chemical energy into electrical energy.

Rechargeable battery work because they use reaction are reversible, while non-rechargeable battery they use reactions are non-reversible.

Answer 9

(b)

Interpretation Introduction

Interpretation:

Wheather a PEM fuel cell can be rechargeable cell (or) not has to be explained.

Concept introduction:

PEM fuel cell: These cells work with a polymer electrolyte in the form of a thin permeable sheet and allow hydrogen protons to pass through but prohibit the passage of electrons and heavier gas.

Battery: It is a storage device used for the storage of chemical energy and for the transformation of chemical energy into electrical energy.

Rechargeable battery work because they use reaction are reversible, while non-rechargeable battery they use reactions are non-reversible.

Answer 10

(c)

Interpretation Introduction

Interpretation:

Why the combination of H2 and O2 in a fuel cell not classified as combustion has to be explained.

Concept introduction:

A Fuel is a substance that releases energy when it gets burnt in presence of Oxygen. The phenomenon a substance getting burnt in presence of Oxygen is termed as combustion and it is exothermic process. The larger the amount of heat released per gram of a substance, greater the potential it has to be a fuel.

Answer 11

(c)

Interpretation Introduction

Interpretation:

Why the combination of H2 and O2 in a fuel cell not classified as combustion has to be explained.

Concept introduction:

A Fuel is a substance that releases energy when it gets burnt in presence of Oxygen. The phenomenon a substance getting burnt in presence of Oxygen is termed as combustion and it is exothermic process. The larger the amount of heat released per gram of a substance, greater the potential it has to be a fuel.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 8.1 - Prob. 8.3YT Ch. 8.1 - Prob. 8.4YT Ch. 8.3 - Prob. 8.9CT Ch. 8.4 - Prob. 8.10CT Ch. 8.4 - Prob. 8.11SC Ch. 8.5 - Prob. 8.13SC Ch. 8.5 - Prob. 8.14CT Ch. 8.6 - Prob. 8.16CT Ch. 8.7 - Prob. 8.17CT Ch. 8.7 - Prob. 8.18YT

Solution Summary: The author explains how a fuel cell differs from other batteries by describing the electrochemical cell and the non-rechargeable battery.

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