EBK FOUNDATIONS OF COLLEGE CHEMISTRY
EBK FOUNDATIONS OF COLLEGE CHEMISTRY
15th Edition
ISBN: 9781119227946
Author: Willard
Publisher: VST
Question
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Chapter 4, Problem 9PE

(a)

Interpretation Introduction

Interpretation:

The energy of spinning blades of a fan are a potential or kinetic energy has to be given.

Concept Introduction:

Potential energy:

  • Potential energy is the stored energy in an object or system because of its position.
  • Potential energy is not relative to the environment of an object.
  • Potential energy cannot be transferred.
  • Example: water at the top of a waterfall.

Kinetic energy:

  • The energy of a body or system with respect to the motion of the body or of the particles in the system.
  • Kinetic energy of an object is relative to other moving and stationary objects in its immediate environment.
  • Kinetic energy can be transferred from one moving object to another.
  • Example: water flow.

(b)

Interpretation Introduction

Interpretation:

The energy of flying bird is a potential or kinetic energy has to be given.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

The energy stored in a sodium hydroxide in a sealed jar is a potential or kinetic energy has to be given.

Concept Introduction:

Refer to part (a).

(d)

Interpretation Introduction

Interpretation:

The energy stored in a person napping is a potential or kinetic energy has to be given.

Concept Introduction:

Refer to part (a).

(e)

Interpretation Introduction

Interpretation:

The energy of rippling ocean waves is a potential or kinetic energy has to be given.

Concept Introduction:

Refer to part (a).

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