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Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

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BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 10, Problem 14E
Textbook Problem
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Why is intermittence a problem for solar energy sources? What are some possible solutions? What are the problems associated with those solutions?

Interpretation Introduction

Interpretation:

The intermittence problem(s) for solar energy sources is to be explained and its possible solutions are to be stated. The problems associated with those solutions are to be described.

Concept Introduction:

Solar energy is defined as the radiant energy, which is emitted by the sun on Earth.

Solar power is abundant on Earth’s crust because it falls upon the earth every morning.

Explanation of Solution

Intermittence is a problem for solar energy sources due to the unavailability of sunlight during night and cloudy days. Without sunlight, the production of electricity via solar technologies is halted.

The intermittence problem can be resolved by storing the solar energy as heat energy using molten salt. This stored heat can later be used in creating steam by boiling water. The steam can then be used in rotating the turbines on an electrical generator to produce electricity. Another solution involves, storing excess energy in batteries. The stored energy can be utilized later to meet the energy needs...

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Chapter 10 Solutions

Chemistry In Focus
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Ch. 10 - Explain how a solar parabolic trough works.Ch. 10 - What are the advantages and disadvantages of solar...Ch. 10 - What solar technologies are currently used for...Ch. 10 - What is a semiconductor? What do n-type and p-type...Ch. 10 - Explain how a photovoltaic (PV) cell works.Ch. 10 - What are the advantages and disadvantages of PV...Ch. 10 - Why is intermittence a problem for solar energy...Ch. 10 - What are the advantages and disadvantages of...Ch. 10 - How does a geothermal power plant generate...Ch. 10 - What are the advantages and disadvantages of...Ch. 10 - Why are efficiency and conservation of energy...Ch. 10 - In what ways can energy be conserved in...Ch. 10 - Why should natural gas appliances always be...Ch. 10 - Explain why efficiency is important in keeping...Ch. 10 - Cost of Power Suppose your monthly electric bill...Ch. 10 - Suppose your monthly electric bill is $195.00 at a...Ch. 10 - Your monthly electric bill is $54 at a rate of 12...Ch. 10 - Your monthly electric bill is $245 at a rate of 15...Ch. 10 - Efficiency of Solar Power A PV cell intercepts...Ch. 10 - A PV cell intercepts 585 watts of sunlight and...Ch. 10 - Several PV cells totaling 4.2 m2 of active area...Ch. 10 - A PV cell intercepts 1487 watts of sunlight and is...Ch. 10 - If a typical home requires an average power of 1...Ch. 10 - One of the problems associated with electric...Ch. 10 - A rooftop in the southwestern United States...Ch. 10 - Use the energy conversion tables in Chapter 9 to...Ch. 10 - A window air conditioner requires approximately...Ch. 10 - A hot tub requires 448 kWh of electricity per...Ch. 10 - Does an average ear have enough surface area to...Ch. 10 - How big a solar cell (in m2) is needed to provide...Ch. 10 - List ways the government could encourage use of...Ch. 10 - Some people choose renewable energy over...Ch. 10 - Worldwide renewable energy consumption has been...

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