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Sveta_85 [38]
3 years ago
9

Describe one everyday situation in which it would be useful to identify an unknown substance

Chemistry
1 answer:
natta225 [31]3 years ago
5 0
Say that you stomach is not agreeing with fizzy drinks so you have to identify whether if there is carbon dioxide in it or not, but is it is you would not want to share it find another way ;)
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What number of atoms of phosphorus are present in 1.00g of each of the compounds in exercise 40?
ira [324]

Answer:

Answer: 1.095 * 10^22 atoms of P.

Explanation:

3 0
2 years ago
What material is the source for commercial production of each of the following elements:(a) aluminum;
AleksandrR [38]

The material which is used as source for commercial production aluminum is bauxite.

The aluminum can be extracted from bauxite ore by the process of Bayer process.

In the Bayer process, bauxite ore is heated in the pressure vessel along with a caustic soda solution (sodium hydroxide) at a temperature between 150 to 200 °C. At this temperatures, the aluminium is dissolved in the solution as sodium aluminate in the extraction process. After separation of the residue by filtering, when the liquid is cooled gibbsite is precipitated and then it is seeded with fine-grained aluminum hydroxide crystals from previous extractions. The precipitation take 7-19 days without the addition of seed crystals.

This extraction process converts the aluminium oxide to soluble sodium aluminate, NaAlO2, which afterward converted into aluminum hydroxide and then into aluminum oxide.

Thus, we concluded that the material which is used as source for commercial production aluminum is bauxite ore.

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3 0
1 year ago
Which has not been a major source of CFCs
ipn [44]

Answer : Any natural sources of CFC's are not known only the major sources like aerosols, propellants, refrigerants,etc are known. So, if any natural sources are given then it cannot be called as a major source for emitting CFC into environment.

4 0
3 years ago
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How many electrons does phosphorous (P) need to gain to have a stable outer electron level?
Brut [27]
The correct answer is 3.
4 0
3 years ago
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Can someone explain to me step by step with the equation on how to do it thx
Tasya [4]

Answer:

h=1

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then there are 5 c

Explanation:

6 0
3 years ago
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