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nalin [4]
3 years ago
5

Describe professions for chemists​

Chemistry
1 answer:
zepelin [54]3 years ago
8 0

Answer:

A chemist searches for new knowledge about chemicals and use it to improve the way we live. He or she may develop products such as synthetic fibers, drugs and cosmetics. Chemists create processes, including all refining and petrochemical processing, that reduce energy use and pollution.

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In an ion, the number of electrons is _____ to the number of protons​
zaharov [31]

Answer:

more/less depending on if it lost or gained electrons during the ionic bond process

3 0
2 years ago
(42.7g +0.259g) / (28.444mL x 12.367)
Lorico [155]
As you mentioned the question in chemistry so it may be a concentration unit I.e mass per volume.
(SOLUTION)
Mass/volume = total mass/ total volume
Now:
Total mass= 42.95 g
Total volume =351.8mL
Put these values in above equation;
Mass/volume = 42.95/351
“”. = 0.122 g/mL
4 0
2 years ago
¿Por qué los gases nobles tienen tendencia a no formar compuesto si como todo elemento de la tabla periódica estos tienen electr
White raven [17]
Noble gases are the least reactive of all elements. That's because they have eight valence electrons, which fill their outer energy level. This is the most stable arrangement of electrons, so noble gases rarely react with other elements and form compounds.
6 0
3 years ago
What is the correct order for the reactions that produce the following transformation. a. (1) H2/Lindlar (2) CH3CO2OH b. (1) H2/
Basile [38]

Answer:

Explanation:

Can you provide a picture? I can outline the reactions though. a) will make a Z double bond from a triple bond and then peroxyacid can do epoxidation. b) will make the Z double bond then ozonolysis to double bond will create to aldehyde compounds. c) is essentially useless unless there is a ketone or aldehyde in the compound already since H2/Pd will fully reduce the alkyne (which I am assuming is present) and so the peroxyacid can't do epoxidation and can only do baeyer villiger oxidation, and d) reduces the alkyne to an E alkene and then do epoxidation to give an epoxide (with trans steroechemistry)

4 0
3 years ago
What are the chemical symbols for Copper and Tellurium
sergij07 [2.7K]

Answer:

Copper: Cu Tellurium: Te

Explanation:

3 0
3 years ago
Read 2 more answers
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