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Mnenie [13.5K]
3 years ago
7

Where is energy stored in living sytems

Chemistry
1 answer:
EastWind [94]3 years ago
6 0

Answer:

energy is stored in the chemical bonds in molecules

Explanation:

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Give regents and mechanism
Kryger [21]

Answer:

Reagents: 1) BH_3 2) H_2_O2, OH^-

Mechanism: Hydroboration

Explanation:

In this case, we have a <u>hydration of alkene</u>s reaction. But, in this example, we have an <u>anti-Markovnikov reaction</u>. In other words, the "OH" is added in the least substituted carbon. Therefore we have to choose an anti-Markovnikov reaction: <u>"hydroboration"</u>.

The <u>first step</u> of this reaction is the addition of borane (BH_3) to the double bond. Then in the <u>second step</u>, we have the deprotonation of the hydrogen peroxide, to obtain the peroxide anion. In the <u>third step</u>, the peroxide anion attacks the molecule produced in the first step to produce a complex compound in which we have a bond "BH_2-O-OH". In <u>step number 4</u> we have the migration of the C-B bond to oxygen. Then in <u>step number 5</u>, we have the attack of OH^- on the O-BH_2 to produce an alkoxide. Finally, the water molecule produce in step 2 will <u>protonate</u> the molecule to produce the alcohol.

See figure 1

I hope it helps!

4 0
3 years ago
What is the density (g/L) of CHCl3 vapor at 1.00 atm and 298 K?
Scrat [10]

Answer:

4.8 g/mL is the density of chloroform vapor at 1.00 atm and 298 K.

4 0
3 years ago
When 10g of calcium carbonate is heated,4.4g of carbon dioxide escape out. The amount of residue left is:
Maslowich
The dissociation of calcium carbonate, CaCO3, to simpler compounds can be expressed as,
                        CaCO3 --> CaO + CO2
The precipitate is CaO and its amount is calculated through the difference which will give us the answer of 5.6 g. 
8 0
3 years ago
How did Robert Whitaker change dassification?
tester [92]

Answer:

created an organizational hierarchy

Explanation:

3 0
3 years ago
2. Which of the following hydrocarbons would you expect to have the
raketka [301]

Answer:

C  

6

​  

H  

14

​  

 

Explanation:

5 0
2 years ago
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