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TEA [102]
3 years ago
11

A brief description of atoms and how they relate to molecules and compounds

Chemistry
1 answer:
Wewaii [24]3 years ago
7 0

Answer:

Explanation:

Atoms are the thing that make up molecules and compounds. Molecules contain two or more atoms and are held together by covalent bonds

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Which of the following elements is the most reactive?
Zepler [3.9K]
Sodium. It reacts with most of every other element.
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Based in the rules of John Dalton, what is a possible hypothesis that could be tested in the Atomic Theory lab?
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<span>After many experiments and many different approaches to the question, the scientist may be able to develop a theory. The theory explains why nature behaves in the way described by the natural law. It answers not only the original question, but also any other questions that were raised during the process. The theory also predicts the results of further experiments, which is how it is checked. Theories are not the end of the process.</span>
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As a scuba diver descends under water, the pressure increases. At a total air pressure of 2.71 atm and a temperature of 25.0 C,
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Answer:

1.32\times 10^{-3} mol/Lis the solubility of nitrogen gas in a diver's blood.

Explanation:

Henry's law states that the amount of gas dissolved or molar solubility of gas is directly proportional to the partial pressure of the liquid.

To calculate the molar solubility, we use the equation given by Henry's law, which is:

C_{N_2}=K_H\times p_{liquid}

where,

K_H = Henry's constant = 6.26 \times 10^{-4}mol/L.atm

p_{N_2} = partial pressure of nitrogen

p_{N_2}= P\times \chi_{N_2} (Raoult's law)

=2.71 atm\times 0.78=2.1138 atm

C_{N_2}=6.26 \times 10^{-4}mol/L.atm\times 2.1138 atm

C_{N_2}=1.32\times 10^{-3} mol/L

1.32\times 10^{-3} mol/Lis the solubility of nitrogen gas in a diver's blood.

3 0
3 years ago
Uhm cell parts and functions
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two types of cell

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3) The nucleus (major organelle) holds genetic information necessary for reproduction and cell growth

hope \: its \: helpful \: to \: you \: please \: mark \: me \: a \: brainliest

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Why would an increase in temperatures be detrimental to the tundra? Select all that apply.
ludmilkaskok [199]

Answer:

I think the answers are... b, d, and maybe a. I don't know for sure. So only put these answers in if you trust me!

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I had this very question, and I put in what I think were the answers.

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1 year ago
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