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AnnZ [28]
3 years ago
13

Study the diagram below to the following question.which of the above images is a molecule?

Chemistry
1 answer:
kotegsom [21]3 years ago
4 0
I can help you I just need the image

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Sodium chloride can be produced by the reaction of sodium metal with chlorine gas. Which is the limiting reactant if 6.70 moles
Alecsey [184]

Answer:

Chlorine gas.

Explanation:

Hello!

In this case, the undergoing chemical reaction is:

2Na+Cl_2\rightarrow 2NaCl

Thus, given the moles of reacting both sodium and chlorine, we compute the moles of sodium chloride yielded by each reactant by considering the 2:2 and 1:2 mole ratios:

n_{NaCl}^{by\ Na}=6.70molNa*\frac{2molNaCl}{2molNa}=6.70molNaCl \\\\n_{NaCl}^{by\ Cl_2}=3.20molCl_2*\frac{2molNaCl}{1molCl_2}=6.40molNaCl

Thus, since chlorine yields less moles of sodium chloride, we infer it is the limiting reactant.

Best regards!

3 0
3 years ago
Lithium carbonate, li2co3, contains 18.8 % lithium and is used in the treatment of mental illnesses such as bipolar disorder. wh
masha68 [24]
Assuming that the percentage composition is on the basis of weight percentage, therefore the mass of lithium would simply be the product of the two, that is:
mass Lithium = 0.188 * 1.70 g
mass Lithium = 0.3196 g = 0.32 g
5 0
3 years ago
Describe how/why earth is layer the way it is
Yuri [45]

Denser objects and substances experience a greater gravitational force acting upon their mass. This is why materials of different densities form layers. ... It is less dense than the Earth's crust, which is a solid. This is why the Earth's surface and atmosphere form distinct layers.

                                       pls give brainliest if this helped :)

3 0
3 years ago
What are the reasons for unequal distribution of natural resources?
BARSIC [14]

Explanation:

There are so many reasons why natural resources are unevenly distributed in nature.

The major control on distribution of resource is basically the geologic setting of place.

Here are some of reasons:

  • Geological setting of place: most natural mineral resources are formed in areas where the best interaction between the ore forming processes and the environment occurs. No one can determine or control that.
  • Climate: the climate is the average weather condition of a place over an extended period of time. Different natural resources can be allocated to a place based on the dominant climatic condition in that place.

learn more:

Natural resources brainly.com/question/8956687

#learnwithBrainly

3 0
3 years ago
How many unpaired electrons are present in a lithium atom?.
Cerrena [4.2K]
  • Lithium has Z =3

Electronic configuration is given by

\\ \tt\bull\rightarrowtail 1s^22s^1

  • 1s orbital is filled
  • 2s orbital is unfilled

So

  • unpaired electrons=1
5 0
2 years ago
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