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neonofarm [45]
3 years ago
8

Convert the following energy units. 635 kJ to J

Chemistry
1 answer:
mestny [16]3 years ago
7 0
635 kJ = 635000 J

:-) ;-)
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1.* Write the name and symbol of the ion formed when
wlad13 [49]
1a) anion and S-2
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1c) anion and N-3
1d) cation and Ca+2
6 0
3 years ago
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How many moles of Al will be consumed when 0.400 mol of Al2O3 are produced in
Vladimir [108]

Answer:

C) 0.800 mol

Explanation:

  • 4Al + 3O₂ → 2Al₂O₃

In order to <u>convert from moles of Al₂O₃ into moles of Al</u>, we'll need to use<em> the stoichiometric coefficients</em>, using a conversion factor that has Al₂O₃ moles in the denominator and Al moles in the numerator:

  • 0.400 mol Al₂O₃ * \frac{4molAl}{2molAl_2O_3} = 0.800 mol Al

So the correct answer is option C).

7 0
3 years ago
Get it right :D if this is wrong or not correct ill give u a bad review And no brainiest
tangare [24]

Answer:

In short, because we are tearing up the oxygen factories to make way for carbon dioxide emitters. (Doesn't make a lot of sense, read the explanation)

Explanation:

So, 1000 years ago, we had a lot more trees, didn't have engines or cars or factories or anything, really that released carbon dioxide into the air and we had a lot more trees and since the invention of cars, engines, carbon dioxide-emitting tools and factories and all the other things that emit "Greenhouse gases" and in doing that, cleared more trees to make room for factories and roads and that has drastically changed the outlook of the carbon cycle.

4 0
3 years ago
The movement of molecules across a membrane from an area of high concentration to one of low concentration is best described as:
mestny [16]

Answer:

Difussion

Explanation:

Diffusion is the result of a totally random phenomenon in which the molecules of a fluid come and go between two vessels that can be connected by a pipe. These molecules travel in a single direction, where the solute is more concentrated to where it is more diluted.

This movement of particles will be modified according to the length or area of ​​the pipe and the concentration of solute. The greater the difference in solute concentration along the tube, the greater the diffusion

6 0
3 years ago
Can magnesium sulphate be used for water coagulation
sweet [91]
Yes it can cause you put epsom salt in a bath and theirs magnesium in that and it’s good for your body and takes fat from your body
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3 years ago
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