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FromTheMoon [43]
3 years ago
12

5. The combustion of coal with oxygen forms CO2 and releases 94 kcal of energy.

Chemistry
1 answer:
Sonbull [250]3 years ago
8 0
Ok buddy sorry buddy I just got
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Provide only the major alkene product that results when n,n-dimethylhexan-2-amine undergoes cope elimination?
Fofino [41]

The major alkene  product that results when n,n-dimethylhexan-2-amine undergoes cope elimination is hexene or hex-1-ene.

The reaction in which an amine is oxidize to an intermediate called an N-oxide which , when heated , acts as base in an intramolecular elimination reaction. The oxidation of tertiary amine into N-oxide is called cope reaction.

This elimination gives the less substituted alkene along with more substituted alkene which is Zaitsev product.

Example: Cope elimination of  n,n-dimethylhexan-2-amine form hexene.

To learn more about alkene ,

brainly.com/question/13910028

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5 0
2 years ago
When pH changes from 6 to 3, how many times does acidity increase?
photoshop1234 [79]

Since a pH of 3 is three numbers higher than a pH of 6, we can find the change in acidity by taking 10 to the third power. The solution with a pH of 3 is 1000 times more acidic than the solution with a pH of 6.

8 0
3 years ago
After standardizing a NaOH solution, you use it to titrate an HCl solution known to have a concentration of 0.203 M. You perform
jek_recluse [69]

Answer:

0.203 is the mean of the concentration of the HCl solution

Explanation:

You have 5 concentrations. The most appropiate result is the mean of those results. The mean is a statistical defined as the sum of each result divided by the total amount of results. For the results of the problem, the mean is:

0.210 + 0.204 + 0.201 + 0.202 + 0.197 = 1.014 / 5 =

<h3>0.203 is the mean of the concentration of the HCl solution</h3>
8 0
3 years ago
Plz answer I need the answer What is the goal of technology?
Sloan [31]
I think the answer is C
7 0
3 years ago
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Atoms of a substance are rearranged _______.
Yanka [14]
Atoms are never rearranged
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