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larisa [96]
2 years ago
6

Coal is a fossil fuel which is used to produce electricity. Which of these statements best describes an outcome of coal mining o

n the region around the mines?
It gets abundant electricity.

It becomes rich in minerals.

Its groundwater is contaminated.

Its rivers and streams become dry.
Chemistry
2 answers:
Mumz [18]2 years ago
7 0
It becomes rich in minerals
andrey2020 [161]2 years ago
5 0

Answer:

It's groundwater becomes contaminated.

Explanation:

More than 94% of the coal ash ponds in the United States are unlined. Almost all of them are contaminating groundwater with toxins above levels that the U.S. Environmental Protection Agency deems safe for drinking water.

If you had common sense you wouldn't be asking this question.

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Write a scientific argument that addresses the question: Which suspect is most likely to have made the hydrofluoric acid? First,
aniked [119]

Answer:

Pat is most likely to have made the hydrofluoric acid.

Explanation:

How is hydrofluoric acid made?

It is manufactured by heating purified fluorspar (calcium fluoride) with concentrated sulfuric acid to produce the gas, which is then condensed by cooling or dissolving in water. ... The acid hydrolysis of fluorite-containing minerals generates an impure gas stream consisting of sulfur dioxide, water and HF.

that's all I got sorry

7 0
2 years ago
Water can be formed in the following reaction:
just olya [345]

Answer

12

Explanation

We have a balanced chemical equation from the question that depicts the formation of water.

                                                  2H2+O2-->2H2O,


We can clearly see from the equation that, the formation of 2 moles of water molecules requires the input of 2 moles of hydrogen and 1 mole of Oxygen.

So indirectly, it tells that the moles of water molecules will be double of the moles of Oxygen molecules used in the reaction.

So if we say that 6 moles of oxygen is used and the reaction is going in such a way that hydrogen is not a limiting reactant, then 12 moles of water will be produced.


Hope it help!

8 0
2 years ago
PLease answer the thing and explain why is that...
iragen [17]

Answer: i think its d

Explanation:

4 0
2 years ago
Prompt 2 - You are watching the Indy 500 car race on television with your brother. He says, "Did you know that
Alekssandra [29.7K]

Answer:

500

Explanation:

from the average and if yoy multiple and then add your % and x you would get 500 to 600

8 0
2 years ago
Which of the following leads to a higher rate of diffusion?
Bingel [31]

I thought the answer is d

5 0
3 years ago
Read 2 more answers
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