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valkas [14]
3 years ago
11

CO2 can be prepared using the following processes except *

Chemistry
1 answer:
Alisiya [41]3 years ago
5 0

Answer:

decomposition

Explanation:

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Quarks are<br> A A Fact<br> B Fiction<br> C Both of the above<br> D Neither of the above
stiks02 [169]
I’d say A. They are theoretical in the fact that they have not been observed directly, but have been confirmed to exist through experimentation.
7 0
2 years ago
2.Which of the alcohols listed below would you expect to react most rapidly with PBr3?A)CH3CH2CH2CH2CH2CH2OHB)(CH3CH2)2CH(OH)CH2
Gnoma [55]

Answer:

A) CH3CH2CH2CH2CH2CH2OH

Explanation:

For this question, we have the following answer options:

A) CH3CH2CH2CH2CH2CH2OH

B) (CH3CH2)2CH(OH)CH2CH3

C) (CH3CH2)2CHOHCH3

D) (CH3CH2)3COH

E) (CH3CH2)2C(CH3)OH

We have to remember the<u> reaction mechanism</u> of the substitution reaction with PBr_3. <em>The idea is to generate a better leaving group in order to add a "Br" atom.</em>

The PBr_3 attacks the "OH" generation new a bond to P (O-P bonds are very strong), due to this new bond we will have a better leaving group that can remove the oxygen an allow the attack of the Br atom to generating a new C-Br bond. This is made by an <u>Sn2 reaction</u>. Therefore we will have a faster reaction with <u>primary substrates</u>. In this case, the only primary substrate is molecule A. So, <em>"CH3CH2CH2CH2CH2CH2OH"</em> will react faster.

See figure 1

I hope it helps!

7 0
3 years ago
What will happen to vinegar in a few days
drek231 [11]
From what I experienced I gets really loud with the smell but other than that nothing happens just the smell gets stronger
4 0
3 years ago
Why feo is basic oxide​
MAXImum [283]

Answer:

A basic oxide is an oxide which when combined with water gives off a base. When a substance reacts chemically, both as a base or acid it termed as an amphoteric solution. Neutral Oxide is one which neither has an acidic characteristic or a basic one. Metal Oxides have an oxidation number of -2 and generally comprise of an oxygen anion.

3 0
2 years ago
Which types of reactions would result in the production of light?
vichka [17]

Answer:

Inorganic chemical reactions involve compounds without carbon atoms. Some of these chemical reactions emit light as the chemical compounds react. When light is emitted as a result of the chemical reaction, the reaction is said to be luminescent.

Explanation:

8 0
2 years ago
Read 2 more answers
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