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ludmilkaskok [199]
3 years ago
9

1.

Chemistry
2 answers:
aleksklad [387]3 years ago
5 0
1.c.) vegetarian and sediment build up in the bottom hope that work's✌


3.<span>D. Since in an uplift the water descending will go even faster making it crush on the rocks with more force and more friction increasing the rate of erosion.... Helped ? :) </span>

<span>And it's true since more water makes it faster and increase in land covering

thus taking more to the sea bed :x erosion


5.</span><span>Winter – Due to an increase in snowfall
</span><span>
8.</span><span>A perched water table is normally insufficient for the purpose of supplying domestic groundwater requirements and generally runs dry after it has been drilled. If a perched water table intersects a surface that has a slope, it can be manifested by seeps or springs along this line of intersection. The slope of a water table is in general proportional to the slope of the overlying land surface.



</span>13.<span>The oil could leak into your neighbors’ yards and kill the grass roots.
</span><span>






14.
</span><span>Energy needed
</span>
phew im done :)

Bad White [126]3 years ago
4 0

13 is oil could leak into the watershed that many communities share.

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What happens when the temperature or pressure of a reaction system at equilibrium is altered? The equilibrium state is unable to
alina1380 [7]

Answer: The system will try and offset the change.

Explanation: Any change in the equilibrium is studied on the basis of Le-Chatelier's principle.

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3 years ago
Consider the reaction below. 2K+Br2------&gt;2K+ +2Br-
sergeinik [125]
Answer: only Br2.

Justification.

In  a chemical reaction the element that gains electrons experiments a reduction in its oxidation state, that is why it is said that it is reduced.

So, to know what element is being reduced you need to calculate the oxidation states of the elements involved.

Here I indicate the oxidation states of each element if the reaction putting them inside parenthesis:

Reactants side          Products side

K (0)                           K (1+)
    
Br (0)                          Br(1-)

So, K lost one electron, increasing its oxidation statefrom  0 to 1+, meaning that it is being oxidized.

And, each atom of Br gained one electron, reducing its oxidation state from 0 to 1-, meaning it is being reduced.

Therefore, the answer is that Br2 is the substance being reduced.
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