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laiz [17]
4 years ago
6

Your neighbor Mr. Turner doesn't think that alternative energy resources like water, wind, or solar are important. "Why not just

do what we have always done," he asks. Justify the use of alternative energy resources instead of fossil fuels with at least one real life example to help him understand.
Chemistry
2 answers:
Gwar [14]4 years ago
7 0

Burning fossil fuels emits a number of air pollutants that are harmful to both the environment and public health. Sulfur dioxide (SO2) emissions, primarily the result of burning coal, contribute to acid rain and the formation of harmful particulate matter.

However, the use of solar panels is environment friendly. Solar power is renewable at absolutely no cost to supply energy infinitely.  Also, it is very low maintenance. Once installed, the solar power system can last twenty to thirty years.

Similarly wind (turbines) and water (hydroelectric power plants) are an endless source of energy without negatively affecting the environment.

geniusboy [140]4 years ago
5 0

Answer:

I could tell Mr. Turner that burning fossil fuels emit a number of air pollutants that are harmful to both the environment and public health. Sulfur dioxide emissions, primarily the result of burning coal, participate in acid rain and the formation of harmful particulate matter. However, the use of solar panels is environment friendly. Solar power is renewable at absolutely no cost to supply energy infinitely.  Also, it is very low maintenance. Once installed, the solar power system can last twenty to thirty years.

Explanation:

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3 years ago
A cylinder and piston assembly (defined as the system) is warmed by an external flame. The contents of the cylinder expand, doin
melomori [17]

Answer:

ΔE = 73 J

Explanation:

By the first law of thermodynamics, the energy in the system must conserved:

ΔE = Q - W

Where ΔE is the internal energy, Q is the heat flow (positive if it's absorbed by the system, and negative if the system loses heat), and W is the work (positive if the system is expanding, and negative if the system is compressing).

So, Q = + 551 J, and W = + 478 J

ΔE = 551 - 478

ΔE = 73 J

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3 years ago
How many grams of NaBr are needed to produce 187 grams of CaBr2
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Answer:

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3 years ago
Seawater has a ph of 8.1. what is the concentration of oh–?
lara31 [8.8K]
PH scale is used to determine how acidic or basic a solution is.
pH can be calculated as follows;
by knowing the ph we can calculate pOH
pH + pOH = 14
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therefore hydroxide ion concentration is 1.26 x 10⁻⁶ M
4 0
3 years ago
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