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Tanya [424]
3 years ago
14

A large deposit of bauxite a mineral containing aluminium was found in your community. The deposit crosses a nature preserve. A

company would like to mine the bauxite in order to extract the aluminium for use in synthetic materials. Develop an argument on what could be some positive and negative impacts of mining bauxite in your community.
Chemistry
1 answer:
Sophie [7]3 years ago
6 0

Explanation:

One positive impact of the mining is that the sale of the Bauxite will increase their economic power by bringing in foreign exchange into their economy. This will improve services such as healthcare and infrastructure.

A negative impact is the destruction of the nature preserve and disturbing the ecosystem could lead to a devastating loss in biodiversity. A decrease in biodiversity will increase crop pests and diseases that destroy standing crops, and an increase in the prevalence of diseases in the community.

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Why metals are good conductors
marysya [2.9K]
Metals allow electric charge to move freely through them. Metals have a sea of delocalized electrons that are able to move freely throughout the metal structure.

Please make brainliest answer I need one more <3
8 0
4 years ago
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A geochemist measures the concentration of salt dissolved in Lake Parsons, an isolated salt lake. He finds a concentration of 21
VikaD [51]

Answer:

68,2%

Explanation:

Supposing the initial salt concentration of lake Parsons is the same of non-isolated lakes, 6,67L, and the change of salt concentration in isolated lake is just for water evaporation it is possible to write:

6,67gL⁻¹×X = 21gL⁻¹×Y

<em>-Where X is the initial water and Y is the water that remains in the isolated lake-</em>

Thus:

6,67X = 21Y

0,318 = Y/X

0,318 is the ratio of water that remains between total water. To obtain the ratio of evaporated water:

1-0,318 = 0,682

In percentage: <em>68,2%</em>

<em />

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3 0
4 years ago
Based on the current atomic theory most chemical reaction take place as a result of the interactions of which sub- atomic partic
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6 0
3 years ago
15.50 g of NH4Cl reacts with an excess of AgNO3. In the reaction 35.50 g AgCl is produced. what is the theoretical yield of AgCl
Readme [11.4K]

Answer:

The answer to your question is 41.6 g of AgCl

Explanation:

Data

mass of NH₄Cl = 15.5 g

mass of AgNO₃ = excess

mass of AgCl = 35.5 g

theoretical yield = ?

Process

1.- Write the balanced chemical reaction.

              NH₄Cl  +  AgNO₃   ⇒   AgCl  +  NH₄NO₃

2.- Calculate the molar mass of NH₄Cl and AgCl

NH₄Cl = 14 + 4 + 35.5 = 53.5 g

AgCl = 108 + 35.5 = 143.5 g

3.- Calculate the theoretical yield

                 53.5 g of NH₄Cl -------------------- 143.5 g of AgCl

                  15.5 g of NH₄Cl  -------------------    x

                         x = (15.5 x 143.5) / 53.5

                         x = 2224.25 / 53.5

                         x = 41.6 g of AgCl

8 0
3 years ago
Is the state of the air in an isolated room completely specified by the temperature and the pressure? Explain.
pashok25 [27]
I think the the state <span>of the air in an isolated room is completely specified by the temperature and the pressure. Since it is isolated, the volume would be the same as the room. Gas is specified by temperature, pressure and volume. Having the values for pressure and temperature then the gas is completely specified. Hope this answers the question.</span>
3 0
3 years ago
Read 2 more answers
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