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vichka [17]
3 years ago
15

A. Use the words below to complete the sentences.

Chemistry
2 answers:
lutik1710 [3]3 years ago
4 0
Its Concentration, diffusion, a selectively Premable membrane, osmosis,diffusion, a selectively permeable membrane, osmosis, and diffusion
bezimeni [28]3 years ago
4 0

Answer:

Its Concentration, diffusion, a selectively Premable membrane, osmosis, diffusion, a selectively permeable membrane, osmosis, and diffusion

Explanation:

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All information on a line graph is as precise as the information in the data table. TrueFalse
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The answer to is all the information on a line graph is as precise as the information in the data table would be FALSE
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Which of the following is an example of chemical weathering?
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the answer is C acid dissolving limestone

Explanation:

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How many moles (of molecules or formula units) are in each sample? 79.34 g cf2cl2?
Alona [7]
From the periodic table:
molecular mass of carbon = 12 grams
molecular mass of fluorine = 18.99 grams
molecular mass of chlorine = 35.5 grams
Therefore:
one mole of CF2Cl2 = 12 + 2(18.99) + 2(35.5) = 120.98 grams
Therefore, we can use cross multiplication to find the number of moles in 79.34 grams as follows:
mass = (79.34 x 1) / 120.98 = 0.6558 moles

Now, one mole contains 6.022 x 10^23 molecules, therefore:
number of molecules in 0.65548 moles = 0.6558 x 6.022 x 10^23
                                                              = 3.949 x 10^23 molecules
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2 years ago
What are the names of the stable forms of oxygen?
zloy xaker [14]

Answer:

18 O, 17 O, and 16 O

Explanation:

three naturally stable isotopes

5 0
2 years ago
How many electrons will a neon (Ne) atom have when it has no charge?
Darya [45]

Answer:

hope it helps you

Explanation:

Once one shell is full, the next electron that is added has to move to the next shell. So... for the element of NEON, you already know that the atomic number tells you the number of electrons. That means there are 10 electrons in a neon atom.

6 0
3 years ago
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