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7nadin3 [17]
3 years ago
5

How can chemistry enhance our view of the world?

Chemistry
1 answer:
densk [106]3 years ago
7 0
Chemistry is really a normal thing to do with two plus two
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List three conditions for separating crude oil constituents pls someone help me out ​
Alborosie

Answer:

All refineries have three basic steps: separation, conversion and treatment. During the separation process, the liquids and vapors separate into petroleum components called factions based on their weight and boiling point in distillation units.

Explanation:

4 0
2 years ago
Which substance cannot be decomposed by a chemical change?
coldgirl [10]

Copper substance cannot be decomposed by a chemical change.

<h3 />
  • When heated, the copper to carbonate breaks down into copper to oxide. The copper carbonate, which is dark in colour, releases carbon dioxide as well.Because they are the simplest chemically, elements cannot be broken down by chemical processes.

  • Elements are those pure compounds that cannot be broken down by reactions, heating, electrolysis, or other common chemical processes. Examples of elements are oxygen, gold, and silver. Its makeup stays the same, though.  One instance of a physical change is melting.  A physical change is when a sample of matter experiences a change in some of its qualities but not in its identity. Water turns into water vapour when it is heated.

Learn more about copper here:

brainly.com/question/493292

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6 0
1 year ago
A space probe identifies a new element in a sample collected from an asteroid. Successive ionization energies (in attojoules per
melomori [17]
Ionization energy (IE) is the amount of energy required to remove an electron.

If you observe the IEs sequentially, there is a large gap between the 2nd and 3rd. This suggests it is difficult to remove more than 2 two electrons. Elements that lose two electrons to become more stable are found in the Group 2A (2 representing the number of electrons in the outermost valence shell).

4 0
3 years ago
Read 2 more answers
The stomach and intestines are organs of the body system which _______.
yulyashka [42]

Answer:

A. Digests food

Explanation:

Look about diggestive process in Google

Best regards

3 0
3 years ago
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DDT was banned from use as a pesticide in the United States because
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Too much money and dangerous 
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