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ziro4ka [17]
3 years ago
13

Why is it possible to use physical properties to separate a mixture

Chemistry
2 answers:
HACTEHA [7]3 years ago
7 0
Because a mixture is not chemically combined
Finger [1]3 years ago
3 0
It just is because science is science and it's supposed to make sense
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anyanavicka [17]

Answer:

Over the last century the burning of fossil fuels like coal and oil has increased the concentration of atmospheric carbon dioxide (CO2). This happens because the coal or oil burning process combines carbon with oxygen in the air to make CO2.  as u know decreasing means going down and increasing means going up.  the reason why things decrease means something went wrong or something to happen to make it go down we all try to make things increase which means we try to make things go up instead of down. a lot of reasons is y things decrease is bc during the period of time something might go wrong or happen in a bad way that makes a lot of things decrease. for example like temperature when the temperature decreases it means it goes down and it might get cold but if the temperature increases it goes up so it might be ht or warm or maybe even cool. if something ever decreases it means during the period of time something bad happened and made it go down instead of up if something ever goes wrong that means something decreased. sometimes decreasing could be a good thing but most of the time it it bad  but there are sometimes when decreasing is good but not all the time.

8 0
3 years ago
How do the chemical reactions in this lab activity compare to nuclear reactions, such as fission and fusion?
Firlakuza [10]
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8 0
3 years ago
What does the atomic number of each atom represent?
saw5 [17]
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6 0
3 years ago
Identify the source of the electrons that travel down the electron transport chain. explain why oxygen is the final electron acc
satela [25.4K]
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</span>2) At the end of the electron transport chain is the Oxygen  that will accept electrons and picks up protons to form water.
If the oxygen molecule is not there the electron transport chain will stop running, and ATP will no longer be produced.



6 0
3 years ago
need help plz !The reaction between hydrogen and nitrogen to give ammonium is a reversible reaction. if why or why not.Answer it
MaRussiya [10]

Answer:

We get ammonia because the forward and reverse reactions are happening at the same rates.

If 3 mol of  

H

2

is mixed in a sealed vessel with 1 mol  

N

2

under suitable conditions then they will react to form ammonia  

N

H

3

:

N

2

+

3

H

2

→

2

N

H

3

At the start of the reaction the concentration of the  

N

2

and  

H

2

are high. As soon as some  

N

H

3

is formed the reverse reaction will start to occur:

2

N

H

3

→

N

2

+

3

H

2

The rate of the reaction depends on concentration so the forward reaction will be fast at first when the concentration of the reactants is high. It will slow down as their concentration decreases.

By the same reasoning the reverse reaction will be slow at first then increase. These two processes continue until a point is reached when the rates of the forward and reverse reactions are equal.

We now state that the reaction has reached equilibrium which we show by:

N

2

+

3

H

2

⇌

2

N

H

3

It is described as "dynamic" because the forward and reverse reactions are happening at the same time although the concentrations of all the species remain constant.

So although  

N

H

3

is constantly breaking down, more is being formed at a constant rate.

In the Haber Process the system is actually not allowed to completely reach equilibrium as the process is continuous, as described in Mukhtar's answer.

Explanation:

5 0
3 years ago
Read 2 more answers
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