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Naddik [55]
2 years ago
6

Why does foliation occur? (Metamorphic rock)

Chemistry
2 answers:
Ulleksa [173]2 years ago
8 0
It happens due to pressure acting on the minerals in metamorphic rock. Slate is a good example of what foliation looks like.
dusya [7]2 years ago
5 0
Foliation occurs when the pressure squeezes the flat or elongated minerals within a rock so that they become aligned.
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Calculate the percent ionization of nitrous acid in a solution that is 0.139 M in nitrous acid. The acid dissociation constant o
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Ok first, we have to create a balanced equation for the dissolution of nitrous acid.

HNO2 <-> H(+) + NO2(-)

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           HNO2   <-->  H+        NO2-
[]i        0.139M          0M       0M
Δ[]      -x                   +x         +x
[]f        0.139-x          x           x

Then, using the concentration equation, you get

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assume 0.139-x ≈ 0.139

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We get the final concentrations of [H+] and [NO2-] to be x, which equals 0.007M.

Then to find percent dissociation, you do final concentration/initial concentration.

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≈5.03% dissociation.
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