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Zarrin [17]
3 years ago
5

A scientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer.

Another scientist conducted the same experiment and got similar results. Which concept does this best illustrate?
Chemistry
2 answers:
Charra [1.4K]3 years ago
7 0
The concept that this best illustrates is replication. 
erica [24]3 years ago
4 0

Answer:

The concept of repetition is best illustrated in the given question.

Explanation:

Let us consider that a  scientist named A conducted an experiment in his or her laboratory. He discovered a new fertilizer, and when the small amount of that when added to the plant it grows very briskly. Similarly, when an another scientist named B performed the similar experiment in the lab and obtained identical outcomes, which means that scientist B is repeating the same experiment that was done by the scientists A. Thus, it explains the concept of repetition.

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Identify the hybridization of each carbon atom for the molecule above
ipn [44]

Carbons starting from the left end:

  1. sp²
  2. sp²
  3. sp²
  4. sp
  5. sp

Refer to the sketch attached.

<h3>Explanation</h3>

The hybridization of a carbon atom depends on the number of electron domains that it has.

Each chemical bond counts as one single electron domain. This is the case for all chemical bonds: single, double, or triple. Each lone pair also counts as one electron domain. However, lone pairs are seldom seen on carbon atoms.

Each carbon atom has four valence electrons. It can form up to four chemical bonds. As a result, a carbon atom can have up to four electron domains. It has a minimum of two electron domains, with either two double bonds or one single bond and one triple bond.

  • A carbon atom with four electron domains is sp³ hybridized;
  • A carbon atom with three electron domains is sp² hybridized;
  • A carbon atom with two electron domains is sp hybridized.

Starting from the left end (H₂C=CH-) of the molecule:

  • The first carbon has three electron domains: two C-H single bonds and one C=C double bond; It is sp² hybridized.
  • The second carbon has three electron domains: one C-H single bond, one C-C single bond, and one C=C double bond; it is sp² hybridized.
  • The third carbon has three electron domains: two C-C single bonds and one C=O double bond; it is sp² hybridized.
  • The fourth carbon has two electron domains: one C-C single bond and one C≡C triple bond; it is sp hybridized.
  • The fifth carbon has two electron domains: one C-H single bond and one C≡C triple bond; it is sp hybridized.

8 0
3 years ago
This volcanic rock formed _____ from lava _____ in gas.
Evgen [1.6K]
C or a one of those hope it helps !!!!
7 0
3 years ago
Read 2 more answers
If you drive at 100 km/hr for 6 hours how far will you go
Sergeu [11.5K]

Answer:

At a constant 100km/hr, you would travel 600km

Explanation:

Have a good day :)

7 0
2 years ago
Read 2 more answers
What volume of sample, in mL, would be needed to make 2 mL of a 5-fold dilution? (3 significant figures needed)
natulia [17]

Answer:

0.400 mL

Explanation:

Hello, the dilution factor (in folds) is given by:

folds=\frac{total_{volume}}{sample_{volume}}

Thus, the sample volume with three significant figures is given by:

sample_{volume}=\frac{2mL}{5"folds"}=0.400 mL

Best regards.

5 0
3 years ago
g Lactate dehydrogenase is a tetrameric enzyme (144kDa) that catalyzes conversion of pyruvate into lactate to regenerate NAD in
kotegsom [21]

Answer:

Kindly check the explanation.

Explanation:

NADH is oxidized anaerobic conditions by lactate dehydrogenase because in order to transform or change Pyruvate into Lactate it has to happen in an anaerobic condition that is where we hardly find oxygen(in the presence of no oxygen).

The chemical compound or say the enzyme known as lactate dehydrogenase gets its proton from NADH( in a REDOX type reaction). After getting the proton from NADH, it uses that to convert Pyruvate into Lactate.

NB: the conversion can also be done in aerobic condition but more ATP will be produced. With anaerobic condition, less ATO is produced and there is re-oxidation.

5 0
3 years ago
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