Uplift occurs at a rate of 0.1 m per 1,000 years.
2 answers:
Answer:
The uplift will change over 10 m.
Explanation:
To know how much the elevation will change in 100,000 years, a rule of three can be applied. The rule of three is a way of solving problems of proportionality between three known values and an unknown, establishing a relationship of proportionality between all of them. Two magnitudes are directly proportional when, by multiplying or dividing one of them by a number, the other is multiplied or divided respectively by the same number. Then you can talk about direct rule of three.
In this case it can be applied as follows: if the uplift at 1,000 years is 0.1 m, what will be the uplift at 100,000 years?
<em>uplift= 10 m</em>
So,<u><em> the uplift will change over 10 m.</em></u>
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For the reaction of deprotonation of formic acid, the concentration of HCOO⁻ at equilibrium is 0.0151 M if the initial concentration of formic acid is 1.35 M.
The reaction of deprotonation of formic acid is the following:
CHOOH + H₂O ⇄ HCOO⁻ + H₃O⁺
At the equilibrium we have:
CHOOH + H₂O ⇄ HCOO⁻ + H₃O⁺ (1)
1.35 - x x x
The acid <em>equilibrium </em>constant for this reaction is:
(2)
Entering the values of [CHOOH] = 1.35-x, [HCOO⁻] = [H₃O⁺] = x, into equation (2) we have:
After solving the above <em>quadratic equation</em> and taking the positive value for x (<u>concentrations cannot be negative</u>), we have:
Therefore, the concentration of HCOO⁻ at equilibrium is 0.0151 M.
Learn more about the equilibrium constant here:
I hope it helps you!
