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Nostrana [21]
3 years ago
5

The periodic table is based on an element's

Chemistry
2 answers:
uranmaximum [27]3 years ago
7 0

The correct answer is:

B.  atomic number.


Stels [109]3 years ago
4 0
The answer will be B.
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Zn + I2 ---&gt; Znl2<br> Determine the theoretical yield of the product if 2g of Zn is used
egoroff_w [7]

Answer:

Mass = 9.58 g

Explanation:

Given data:

Mass of Zn = 2g

Theoretical yield of ZnI₂ = ?

Solution:

Chemical equation:

Zn + I₂       →     ZnI₂

Number of moles of Zn:

Number of moles = mass/molar mass

Number of moles = 2g / 65.38 g/mol

Number of moles = 0.03 mol

Now we will compare the moles of Zn and ZnI₂.

                   Zn           :          ZnI₂

                    1             :           1

                  0.03        :         0.03

Mass of ZnI₂:

Mass = number of moles × molar mass

Mass = 0.03 mol × 319.22 g/mol

Mass = 9.58 g

4 0
3 years ago
if you measure the mass of a model car to be 230 grams. the actual mass is 218 grams. what is your percent error.
Roman55 [17]
27.6% is the correct answer 
6 0
3 years ago
Anyone here im getting bored feel​
xxTIMURxx [149]

Yeah im here and i am alos getting bored to

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5 0
3 years ago
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What happens to the ph of the reaction mixture as the oxidation reaction proceeds in an oxidation of an aromatic side chain?
andrew11 [14]

Answer:

The pH decreases.

Explanation:

Hello,

In organic chemistry, oxidation accounts for either the increasing of C-O bonds or the increasing in the oxygen atoms into the molecule. Thus, if we consider the oxidation from benzyl alcohol to benzoic acid, there will be a carboxyl functional group instead of a hydroxile one. Now, the presence of the polar -O-H bonds that are ionizable, there will be a H^{+1} releasing causing the pH to decrease (increase acidity).

Regards.

4 0
3 years ago
A solution that cannot dissolve more and already has a large amount of dissolved is
Nikitich [7]

Answer:

Saturated Solution

Explanation:

Happy to help

Pls mark as Brainliest.

8 0
3 years ago
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