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kati45 [8]
2 years ago
12

HELP me, this question not even really hard actually...

Chemistry
1 answer:
zheka24 [161]2 years ago
8 0
This is a hypothesis question. This is an educated guess, basically. In my opinion, I think the tails side would hold more water.
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Why are some amino acids described as essential amino acids?
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Answer:

I would say A and D if you can pick two answers. if not then pick D

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3 years ago
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When glucose is fermented, ethanol is formed together with ………………….
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3 years ago
Consider the model of the nitrogen atom.
liq [111]

Answer:

1s2 2s2 2p3

Explanation:

we know that the number of electrons in an atom is equal to number of protons. So the number of electrons here is 7.

Using Moller chart, the electronic configuration is writen by the electrons first enterring into 1s then into 2s after 2p. The s orbital accomodates maximum of 2 electrons.

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5 0
3 years ago
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Answer both 8 and 9 will give u brain list with explanation as well so don’t just answer
goldfiish [28.3K]

Answer:

8. the answer is B.

9. the answer is A.

Explanation:

Hello!

8. In this case, by bearing to mind that the limiting reactant is always completely consumed and the excess one remain as a leftover at the end of the reaction, we can also infer that as all the limiting reactant is consumed, it must determine the maximum amount of product as the excess reactant will hypothetically produce a greater mass than expected; thus, the answer to this question is B.

9. In this case, since the mole ratio of oxygen to water is 1:2, the following proportional factor is used to calculate the produced mass of water:

3molO_2*\frac{2molH_2O}{1molO_2}=6molH_2O

Thus, the answer is this case is A.

Best regards!

6 0
2 years ago
Cocaine selectively blocks na+ (sodium) channels, which is the mechanism that leads to
anzhelika [568]
Cocaine selectively blocks sodium channels which is the mechanism that leads to local anesthetic effects. 
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3 years ago
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