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Allisa [31]
3 years ago
5

PREDICT Why do you think energy must be added to change carbon powder into a synthetic diamond?

Chemistry
1 answer:
timurjin [86]3 years ago
3 0

Explanation:

Energy must be added to change carbon powder into synthetic diamond because at ordinary temperature and pressure conditions, this reaction will not take place.

To form diamond, conditions of high pressure must be made available. Diamond is an allotrope of carbon that is very hard and difficult to break.

To form diamond synthetically, we must be able to replicate the natural conditions by which it forms.

Diamond forms under very high grade metamorphic pressure. This must also be the condition to form the synthetic variant.

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Which state of matter has the least energetic molecules?
SVEN [57.7K]
Solids have least energetic molecules because they are tightly packed.
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3 years ago
The reaction for producing glucose in plants, called photosynthesis, is:
Firlakuza [10]

Answer:

41.16 moles of H2O

Explanation:

Ratio for the products-reactants is 1:6, so 1 mol of glucose is produced when plants use 6 moles of water.

Then, let's make a rule of three:

1 mol of glucose is produce by using 6 moles of water

6.86 moles of glucose are produced by the use of (6 . 6.86)/1 = 41.16 moles of H2O

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renata developed a hair dye additive that is guaranteed to cover grey hair. she granted the right to use this additive to a majo
kvasek [131]

What Renata has granted to the manufacturer of the colored hair dye is called a patent.

<h3>What is a patent?</h3>

A patent is a right given to a manufacturer to be the sole producer of a product for a given period of time. Usually, the patent has to last for a given number of years after which the technology becomes commonplace.

Hence, what Renata has granted to the manufacturer of the colored hair dye is called a patent.

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4 0
2 years ago
If the atomic number of an element is 6 and its mass number is 14, how many neutrons are contained in the nucleus?
aksik [14]

Answer:

8

Explanation:

because 14 - 6 is 8

4 0
3 years ago
Rank the following from highest to lowest priority according to the Cahn-Ingold-Prelog system: -CH2CH3, -CHCH2, -CCH, -CH3.
mario62 [17]

Answer:

The order will be:

CCH > CHCH₂ > CH₂CH₃> CH₃

Explanation:

According to Cahn-Ingold-Prelog system we rank the groups based on the atomic number of directly attached atom with the chiral carbon.

For example: between C and H, we rank Carbon first.

If the same atoms are attached for different groups then we prioritized based on the second element with highest atomic number.

For example:

Among CH₃ and C₂H₅, the priority will be given to C₂H₅.

If an atom is double or triple bonded to the directly attached atom then each pi bond is considered to be a new atom.

Hence CH=CH₂ means, that there are two carbons attached to CH carbon.

So the order based on above selection rules will be:

CCH > CHCH₂ > CH₂CH₃> CH₃

7 0
3 years ago
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