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Author Question: For the above energy profiles, which reaction has the highest activation energy? A) a B) b C) c ... (Read 173 times)

Tirant22

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on: Aug 27, 2018
For the above energy profiles, which reaction has the highest activation energy?
 
  A) a
  B) b
  C) c
  D) d
  E) All have the same activation energy.

Question 2

Why is a permanent wave not really permanent?
 
  A) The chemicals used to treat the hair break down.
  B) Untreated new hair grows in to replace treated old hair.
  C) Disulfide bonds breaks and re-form every time you wash your hair.
  D) The keratin in the hair is no longer flexible.


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triiciiaa

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

B


Tirant22

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Reply 2 on: Aug 27, 2018
Excellent

smrtceo

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

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