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kumpel [21]
3 years ago
13

Write a chemical equation representing the second ionization energy for lithium. Use e− as the symbol for an electron.

Chemistry
1 answer:
zloy xaker [14]3 years ago
5 0

Answer: Li^+ (g) ----> Li^2+ (g) + e^-

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grigory [225]
Aluminum is light and is quite unreactive it is malleable and strong too.
6 0
3 years ago
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How to separate aluminum powder and ethyl alcohol mixture?
ddd [48]

Answer:

            By Filtration using Filter Paper

Explanation:

                  Aluminium Powder is made from Aluminium with the help of mechanical means. This powder is mainly used in paints, cosmetics, fingerprint powders, thermite, rocket fuels e.t.c.

                  Also, Aluminium Powder is insoluble in water and organic solvents. Therefore, when mixed in Ethanol it will form a suspension. The Aluminium Powder can therefore be easily separated by simple Filtration using Filter paper.

6 0
3 years ago
Describe a physical change and a chemical change that an iron nail could undergo.
galina1969 [7]
Physical change

iron nail have high melting point, thus, when it is heated, it will not melt very easily.

chemical change

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furthermore, the reaction is irreversible.
8 0
3 years ago
What is the percent composition of Sb2F3.What is the percent composition of F in this molecule? Round the answer to five signifi
poizon [28]

Answer:

\%F=18.967\%

Explanation:

Hello,

In this case, a percent composition is computed by considering the atomic mass of each element in the compound as well as the number of atoms and the molar mass of the compound. Thus, Sb2F3 has a molar mass of 300.52 g/mol, antimony has an atomic mass of 121.76 g/mol and fluorine 19.0 g/mol, therefore, the percent composition of fluorine which has three atoms with five significant figures is:

\% F=\frac{3*19.0g/mol}{300.52g/mol}*100\%\\ \\\%F=18.967\%

Best regards.

3 0
3 years ago
Please help due today
nasty-shy [4]
I think it’s A not sure though
7 0
3 years ago
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