The four stages of coal formation and difference between them should be explained. Concept Introduction: The total energy of the universe is a constant. It means that the energy cannot be created or destroyed. This principle is known as the “Conservation of energy”. There are principle sources of energy as well as different forms of energy or types of energy. The energy stored in a given system is known as “potential energy” whereas the energy possessed by a moving body is known as “kinetic energy”. However both natural and human processes energy forms can be converted from one form to another form in order to do useful work. Energy is a measure of the ability to do work on the surroundings or by the surroundings.

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Chapter 10, Problem 57QAP

Interpretation Introduction

Interpretation:

The four stages of coal formation and difference between them should be explained.

Concept Introduction:

The total energy of the universe is a constant. It means that the energy cannot be created or destroyed. This principle is known as the “Conservation of energy”. There are principle sources of energy as well as different forms of energy or types of energy. The energy stored in a given system is known as “potential energy” whereas the energy possessed by a moving body is known as “kinetic energy”. However both natural and human processes energy forms can be converted from one form to another form in order to do useful work. Energy is a measure of the ability to do work on the surroundings or by the surroundings.

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