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Andre45 [30]
3 years ago
6

How do you define medium and high level profession?according to class 8?

Chemistry
1 answer:
abruzzese [7]3 years ago
3 0

Answer:

Answer: medium level profession can be defined as some one who has moved past entry level but isn't nearing the end . whereas high level profession means a person has moved past entry level and also has reached the end.

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C(s)+ 1 /2 O 2 (g) CO(g) CO(g)+ 1 /2 O 2 (g) CO 2 (g) How will oxygen appear in the final chemical equation?
Hitman42 [59]

Answer : The oxygen will appears in the final chemical equation as a reactant.

Explanation :

The given chemical reactions are:

(1) C(s)+\frac{1}{2}O_2(g)\rightarrow CO(g)

(2) CO(g)+\frac{1}{2}O_2(g)\rightarrow CO_2(g)

Now we are adding reaction 1 and reaction 2, we get the final chemical equation.

The final chemical equation is:

C(s)+O_2(g)\rightarrow CO_2(g)

Thus, the oxygen will appears in the final chemical equation as a reactant.

5 0
3 years ago
The cell membrane is found in all cells *<br><br> True<br> False
brilliants [131]

Answer:

true

Explanation:

all cells will have plasma membranes

3 0
3 years ago
thank you so much for helping me I don't know science that well trying to get better I've been getting better good grades but st
Rasek [7]

there is not enough information to make a prediction as we dont know what side she taped on magnet C

5 0
3 years ago
Help plz:))) I’ll mark u brainliest <br> ASAP!!!
vovikov84 [41]

Answer:

rank from lower to higher electronegativity

16)Li

   C

   N

17)Ne

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3 0
3 years ago
Read 2 more answers
Benzene is often produced as a side product during grignard reactions using phenylmagnesium bromide. how can its formation be ex
Alex_Xolod [135]

Benzene is produced as a side product when water react with phenyl magnesium bromide during Grignard reactions.

<h3>What is Grignard Reaction ? </h3>

The Grignard reaction  involves an R-Mg-X, a carbon chain bound to a magnesium halide, used to form alcohols  by attacking carbonyls such as in aldehydes or ketones.

Here R act as a nucleophile and Mg-X act as a electrophile. Instead of attacking carbonyl, which is  present in the reaction, the benzene ring will attack  water molecules present around, grabbing a H⁺ and pushing away MgBr .    

The required reaction is :

PhMgBr + H₂O → Ph-H + MgBrOH

Thus from the above conclusion we can say that it is always advised to use dry Grignard to avoid this reaction.

Learn more about the GRIGNARD REACTION here :

brainly.com/question/23971610

#SPJ4

4 0
1 year ago
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