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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

An understanding of most environmental issues requires one to consider a range of factors—economic, political, sociological, as well as scientific. Bearing this in mind, discuss each of the issues below.

  1. (a) Fracking is now in wide use, allowing us to access large quantities of natural gas. What are the positive factors that argue for continued and expanded use of this technique, and what are the concerns?
  2. (b) Most gasoline now sold contains ethanol. Is production of ethanol for use as a fuel a wise choice? List arguments for and against this policy.
  3. (c) Two types of vehicles, electric cars and cars using natural gas, are in early stages of development in the United States. Should their development be encouraged? What are the advantages and disadvantages to owning these cars now?

(a)

Interpretation Introduction

Interpretation: The positive factors and concerns of the technique fracking should be given.

Concept introduction:

Fracking or Hydraulic fracturing: The process is a high pressure technique and it is proved to be an unconventional natural gas technology. Using a high pressurized liquid, cracks are created in the rocks which results in the ejection of natural gas and oil.

Explanation

The energy crisis has been increasing day by day. It is necessary to find alternative methods to produce fuels with great efficiency and less costly.

Fracking is a technique in which high pressurized liquid is used to release oil and gas from geological formations. The pressurized liquid contains several millions of chemicals, water, sand etc...

(b)

Interpretation Introduction

Interpretation: The use of ethanol as a fuel is whether a wise choice should be explained. The arguments for and against for this has to be listed.

Concept introduction:

Different forms of energy sources: Renewable energy source and Non-renewable energy source.

Renewable energy resources: The resources which occur by natural process and can be recyclable or replaced. They will be much useful to human beings.

Non-renewable energy resources: The resources which are once used and which cannot be available again within a given amount of time. Energy derived from fossil fuel is an example for non-renewable resource.

Water, food and air are the major examples for renewable energy resources. The use of renewable sources contributes less pollution in the atmosphere and this is the reason for their increase use. Ethanol in gasoline is a renewable form of energy.

Gasoline, coal, diesel, fossil fuel, plastic.. are examples for non-renewable energy resources. The major disadvantages of these resources are they are not renewed and cannot be recycled.

(c)

Interpretation Introduction

Interpretation: The development of electric cars and cars using natural gas should be encouraged or not. The advantages and disadvantages to owning this cars has to be explained.

Concept introduction:

Different forms of energy sources: Renewable energy source and Non-renewable energy source.

Renewable energy resources: The resources which occur by natural process and can be recyclable or replaced. They will be much useful to human beings.

Non-renewable energy resources: The resources which are once used and which cannot be available again within a given amount of time. Energy derived from fossil fuel is an example for non-renewable resource.

Water, food and air are the major examples for renewable energy resources. The use of renewable sources contributes less pollution in the atmosphere and this is the reason for their increase use. Ethanol in gasoline is a renewable form of energy.

Gasoline, coal, diesel, fossil fuel, plastic.. are examples for non-renewable energy resources. The major disadvantages of these resources are they are not renewed and cannot be recycled.

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