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Sever21 [200]
1 year ago
10

I NEED HELP ASAP!!!!!!!!!!! WITHIN THE HOUR Thanks

Chemistry
2 answers:
Alex17521 [72]1 year ago
6 0
Its D because

Li = 6
Be =9
C= 12
O=15
velikii [3]1 year ago
5 0

Answer:

C

Explanation:

Actually, arranged to the size of smallest to least atom radius size = C

Atomic sizes generally get smaller as you go from L to R across a row of the periodic table.

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The model below shows the equation that represents how hydrogen and oxygen combine to form water. In this chemical reaction, the
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Answer:

true

Explanation:

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2 years ago
Estimate the molar mass of a gas that effuses at 1.80 times the effusion rate of carbon dioxide. answer in units of g/mol.
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From Grahams Law the rates of effusion of two gases are inversely proportional to the square roots of their molar masses at the same temperature and pressure.
Therefore; R1/R2 = √mm2/√mm1
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3 years ago
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Read 2 more answers
Germanium and chlorine react according to the following chemical equation:
seropon [69]

The mass of GeCl4 that would be formed will be 1.51 g

<h3>Stoichiometric calculations</h3>

From the balanced equation of the reaction:

Ge (s) + 2Cl2 (g) →GeCl4

The mole ratio of Ge and Cl2 is 1:2.

Mole of 1.0 g Ge: 1/72.64

                               = 0.01377 mole

Mole of 1.0 g Cl2 = 1/71

                             = 0.01408 mole

Thus, Cl2 is limiting.

Mole ratio of Cl2 and GeCl4 = 2:1

Equivalent mole of GeCl4 = 0.01408/2

                                       = 0.0070 mole

Mass of 0.0070 mole GeCl4 = 0.0070 x 214.4

                                               = 1.51 g

More on stoichiometric calculations can be found here: brainly.com/question/8062886

7 0
1 year ago
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