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jenyasd209 [6]
2 years ago
14

What is adhesion and thanks?

Chemistry
1 answer:
SVETLANKA909090 [29]2 years ago
6 0

adhesion refers to the tendency of unlike molecules to bond with one another

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Consider four different samples: aqueous LiF, molten LiF, aqueous AgF, and molten AgF. Current run through each sample produces
meriva

Answer:

Molten LiF forms solid lithium

Aqueous AgF forms solid silver

Aqueous LiF forms hydrogen gas.

Explanation:

Aqueous solution of LiF has water molecule, there will be competing will be two competing cations for reduction, while Li^{+}(aq) andH^{+}(aq).However the reduction potential of H^{+}(aq) is  more than that of the Li^{+}(aq) . Hence, H^{+}(aq) reduced to hydrogen gas.

MoltenLiF  has only solid form of LiF and Li^{+}(aq) reduced to form Li solid.

An aqueous form of AgF contains water molecules.there will be competing will be two competing cations for reduction, while Ag^{3+}(aq) andH^{+}(aq).However the reduction potential of Ag^{3+}(aq) is  more than that of the H^{+}(aq) . Hence, Ag^{3+}(aq) reduced to solid silver.

Therefore, Molten LiF forms solid lithium

Aqueous AgF forms solid silver

Aqueous LiF forms hydrogen gas.

6 0
3 years ago
An unknown substance has the composition of 77.87% C, 2.63% H and 55.62% O. The compound has a molar mass of 345.2 g/mole. What
mezya [45]
If we use 100 grams of compound:
m(C) = 0,7787 · 100 g = 77,87 g.
n(C) = 77,87 g ÷ 12 g/mol = 6,49 mol.
m(H) = 0,0263 · 100 g = 2,63 g.
n(H) = 2,63 g ÷ 1 g/mol = 2,63 mol.
m(O) = 0,5562 · 100 g = 55,62 g.
n(O) = 55,62 g ÷ 16 g/mol = 3,48 mol.
n(C) : n(H) : n(O) = 6,49 mol : 2,63 mol : 3,48 mol.
n(C) : n(H) : n(O) = 2,5 : 1 : 1,33.
From molecular mass only possible is C₁₂H₉O₁₂.
7 0
3 years ago
When 2 or more forces exerted on an object where their effect cancels each other and they do not cause a change in the object's
konstantin123 [22]

Answer:

am going to go ahead and say balanced

Explanation:

in the picture

4 0
3 years ago
BRAINLIEST IF CORRECT
Ipatiy [6.2K]

Answer:

The answer is the first three

Explanation:

I had this question and got it correct

8 0
2 years ago
Read 2 more answers
What is the frequency of radiation which has a wavelength of 7.00 x 10⁻⁵cm? In what region of the electromagnetic spectrum is th
Novosadov [1.4K]

Answer:Frequency (hz) is some sort of vibration occurs during a particular period of time as either in a sound waves or in an electromagnetic field. Given below an online frequency of light with wavelength calculator to convert from wavelength to hz. Wavelength (λ) is the distance between two waves of energy traveling from one point to another point.

Explanation:

6 0
2 years ago
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