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algol [13]
3 years ago
6

Review the following statement.

Chemistry
1 answer:
BartSMP [9]3 years ago
5 0

Answer:

I think its either A or B.

Explanation:

The reason I don't think it can be B or C is because both have too do with thinking. Technology does not control how you think, so those should stay about the same. Technology can help prove theories and hypothesis' to be true, but they could also make more observations due to the technology they didn't have before. I believe the answer is A, but I'm not 100% sure. Good Luck, i helped as best as i thought possible.

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Oxana [17]

The answer is [Boron]

I had this answer on my Chemistry test!

6 0
3 years ago
Answer the question
Ostrovityanka [42]
It is an adaptation
3 0
3 years ago
What are the representative elements usually called
antiseptic1488 [7]

Answer:

There are two sets of groups in the periodic table. The first set are Group A elements and are also known as representative elements. The second set are Group B elements and are also known as transition metals. Representative elements are the most abundant elements on earth.

4 0
3 years ago
14. An enzyme-catalyzed reaction was carried out with the substrate concentration initially a thousand times greater than the Km
emmainna [20.7K]

Answer:

27 min

Explanation:

The kinetics of an enzyme-catalyzed reaction can be determined by the equation of Michaelis-Menten:

v = \frac{vmax[S]}{Km + [S]}

Where v is the velocity in the equilibrium, vmax is the maximum velocity of the reaction (which is directed proportionally of the amount of the enzyme), Km is the equilibrium constant and [S] is the concentration of the substrate.

So, initially, the velocity of the formation of the substrate is 12μmol/9min = 1.33 μmol/min

If Km is a thousand times smaller then [S], then

v = vmax[S]/[S]

v = vmax

vmax = 1.33 μmol/min

For the new experiment, with one-third of the enzyme, the maximum velocity must be one third too, so:

vmax = 1.33/3 = 0.443 μmol/min

Km will still be much smaller then [S], so

v = vmax

v = 0.443 μmol/min

For 12 μmol formed:

0.443 = 12/t

t = 12/0.443

t = 27 min

7 0
3 years ago
HELP HELP PLS !! <br> 5N<br> 21N
Sonja [21]

Answer:

Check the image file attached

Explanation:

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