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mote1985 [20]
3 years ago
9

What does a chemist do​

Chemistry
1 answer:
Mama L [17]3 years ago
3 0
A chemist (from Greek chēm (ía) alchemy; replacing chemist from Medieval Latin alchimista[1]) is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties. Chemists carefully describe the properties they study in terms of quantities, with detail on the level of molecules and their component atoms. Chemists carefully measure substance proportions, reaction rates, and other chemical properties. The word 'chemist' is also used to address Pharmacists in Commonwealth English.
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Why doesnt iron burst into flames when it rusts
Katarina [22]
Rust does not have the properties to catch onto flames. However, if you light it on fire, then it would probably catch in flames but not instantly and will not continue to burn unless you have soaked it in oil or flammable object or substance. :) Hope this helps! 
3 0
3 years ago
What quantity in moles of HCl are there in 35.0 mL of 0.350 M HCl?
marta [7]

Answer:

0.0123 moles

Explanation:

Concentration = Moles / Volume of solution

or you can rearrange the formula to get

Moles = concentration (moles/liter)  x  volume of solution (liter)

First convert your volume to L instead of mL.  35mL = 0.035L

moles  =  0.350 moles/liter   x    0.035 liter  (liters cancel out)

moles = 0.0123

5 0
2 years ago
An ionic bond is a bond that forms between
Morgarella [4.7K]

Answer:  An ionic bond is a bond that forms between ions with opposite charges.

Explanation:

A chemical bond formed by the transfer of electrons from one atom to another is called an ionic bond.

For example, sodium has electronic distribution as 2, 8, 1 and chlorine has electronic distribution as 2, 8, 7.

In order to attain stability, sodium needs to lose 1 electron and chlorine needs to gain one electron. Therefore, sodium will transfer its one valence electron (forming Na^{+} ion) to chlorine atom (forming Cl^{-} ion) which leads to the formation of NaCl compound.

Thus, we can conclude that an ionic bond is a bond that forms between ions with opposite charges.

3 0
2 years ago
How do you make Nitrogen become Oxygen? <br><br> add protons, add electrons or add neutrons
sasho [114]

Answer:

electrons

Explanation:

im not totaly sure

3 0
3 years ago
What function is most affected if the sepal of a flower is damaged by air pollution?
stepladder [879]

Answer:answer in explanation try to understand dear

Explanation:Air pollutants have a negative impact on plant growth, primarily through interfering with resource accumulation. Once leaves are in close contact with the atmosphere, many air pollutants, such as O3 and NOx, affect the metabolic function of the leaves and interfere with net carbon fixation by the plant canopy.

6 0
3 years ago
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