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Anni [7]
3 years ago
10

How many electrons are there in the following compound?

Chemistry
1 answer:
Marina86 [1]3 years ago
4 0

Answer:

look it up in google it dead in your face m8 i just did

Explanation:

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Copper(l) sulfide can react with oxygen to produce copper metal by the reaction cu2s + o2 => 2cu + so2. if 5.00 g of cu2s is
valentina_108 [34]
To answer this problem, we write first the stoichiometric equation. Thus we have,

Cu2S + O2 => 2Cu + SO2

Next, we check if the equation is balanced or not.

(left)     (right)
2 Cu  = 2 Cu
1 S  =  1 S
2 O = 2 O

So the stoichiometric equation is balanced, let's proceed in solving the theoretical yield of Cu given 5 g of Cu2S.

First, we solve for Cu2S in moles,
5 g Cu2S x <u>1 mol Cu2S </u>  = 0.0314 mol Cu2S
                159.16 g Cu2s

Secondly, convert moles of Cu2S to moles Cu. Note for every mole of Cu2S we get 2 moles of Cu. Thus,

0.0314 mo Cu2S x <u>   2 mol Cu     </u> = 0.0628 mole Cu<u>
</u>                                1 mol Cu2S

Lastly, we convert mole Cu to g Cu via multiplying by Cu's MW.

0.0628 mole Cu x <u>63.546 g Cu  </u> = 3.99 g Cu or 4 g Cu<u>
</u>                                1 mole Cu

<em>ANSWER: 4 g Cu</em>



4 0
3 years ago
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Can anyone please summarize the meaning of organic chemistry?
nadezda [96]
Organic Chemistry is a sub-unit of chemistry which refers to the scientific study of carbon compounds. It focuses on the structure, properties, composition, reactions, of carbon containing compounds.

Example of carbon compounds include salt, alcohol, ethane, methane, butane, benzene, hexane and more.   
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Which subatomic particle determines the identity of an atom
Gelneren [198K]

The Protons determine the identity.

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Be sure to answer all parts. Determine the electron-group arrangement, molecular shape, and ideal bond angle for the following m
choli [55]

Answer:

trigonal planar

Explanation:

The molecule SO3 is of the type AX3. The molecule is symmetrical and non polar.

There are three regions of electron density in the molecule. This corresponds to a trigonal planar geometry. This means that the three oxygen atoms are arranged at the corners of a triangle.  The bond angle is 120 degrees.

7 0
2 years ago
3.) Plants make food through photosynthesis, and photosynthesis takes place mostly in plant in plant leave, but when plants lose
kati45 [8]

Answer:

B

Explanation:

5 0
3 years ago
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