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olga55 [171]
2 years ago
9

An acid is used to bring the pH of a solution from pH 9 to pH 6. How many times more acidic is the final solution than the initi

al solution?
Select one:

a.
3


b.
10


c.
100


d.
1000
Chemistry
1 answer:
Molodets [167]2 years ago
5 0
Bleh bleh bleh bleh bleh bleh bleh bleh and bleh
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Answer: Mothballs have weak intermolecular forces.

No all substances do not behave like mothballs at normal conditions. Example: benzene , chloroform

Explanation:

Sublimation is a process of converting a substance from solid state to gaseous state without the formation of liquid at constant temperature.

A substance which undergoes sublimation is called as sublimating substance.

As mothballs is made of napthalene which has weak inter molecular forces of attraction between its molecules, it directly sublimes into gaseous state without leaving any residue and is called as a sublimating substance.

Not all substances behave like mothballs at normal conditions. Example: benzene , chloroform

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A force of 24 N acts on an 8 kg rock. What is the acceleration of the rock?
a_sh-v [17]

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Acceleration = Force /Mass = 24/8 = 3m/s2

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