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EleoNora [17]
3 years ago
15

Which branch of chemistry is most likely to involve the study of the earths crust

Chemistry
1 answer:
stepan [7]3 years ago
5 0
I'm pretty sure it's organic chemistry.
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Plasma membrane is the answer
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Which of the following ions is formed when a base is dissolved in a solution?
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Answer:

\huge\boxed{\sf OH-}

Explanation:

<u>According to Arrhenius concept of acid and base:</u>

"When a base in a solution, produces/yields OH- (Hydroxide) ions."

So, when a base is dissolved in a solution, it produces OH- ions.

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\rule[225]{225}{2}

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Nitrogen has a half life of 10 days. If you have a 75 gram sample how much is remaining after 20 days ?​
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3 years ago
A reaction is thermodynamically unstable (spontaneous) but no change is observed. The reaction is probably Select the correct an
mart [117]

Answer:

kinetically stable.

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When we say that a system is kinetically stable, it means that the activation energy or energy barrier for the reaction system is high. Thus reactants are not easily converted into products. The reaction system remains the same for a long while without change.

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