Help me please I need to pass my exam

Chemistry

1 answer:

Troyanec [42]3 years ago

8 0

Answer:

I think it is 1115 kJ but I don't see the answer

Explanation:

You might be interested in

Compound A is an alkene that was treated with ozone to yield only (CH3CH2CH2)2C=O. Draw the major product that is expected when

DochEvi [55]

Answer:

2,2,3,3-tetrapropyloxirane

Explanation:

In this case, we have to know first the alkene that will react with the peroxyacid. So:

What do we know about the unknown alkene?

We know the product of the ozonolysis reaction (see figure 1). This reaction is an oxidative rupture reaction. Therefore, the double bond will be broken and we have to replace the carbons on each side of the double bond by oxygens. If $(CH_3CH_2CH_2)_2C=O$ is the only product we will have a symmetric molecule in this case 4,5-dipropyloct-4-ene.

What is the product with the peroxyacid?

This compound in the presence of alkenes will produce peroxides. Therefore we have to put a peroxide group in the carbons where the double bond was placed. So, we will have as product 2,2,3,3-tetrapropyloxirane. (see figure 2)

3 0

3 years ago

Values for the molar mass of nitrogen, oxygen, and nitrogen dioxide

CaHeK987 [17]

Answer:

n=N/Na

n = \frac{8.23 \times {10}^{22} }{6.02 \times {10}^{23} } = 0.1367 \: mol

answer: 0.14 mol

Explanation:

5 0

2 years ago

Acidic Basic Neutral

lana66690 [7]

The answer is acidic

8 0

2 years ago

Explain why pure water is a compound, but water from a fountain is not.

myrzilka [38]

I’m distilled water all of the dissolved substances mixed in water have been removed by evaporation.

7 0

2 years ago

#1. Which one of the following statements correctly defines active site? The active site is a site on the enzyme molecule where

deff fn [24]

Active sites in enzymes are where substrates bind. Once they bind, a catalytic reaction occurs as a complex between substrate and enzyme is formed. Enzymes are termed as biocatalysts or simply catalysts since they speed up the catalytic reaction. After the reaction, they simply revert back to their original form, after having adjusted to fit with substrate.

7 0

2 years ago