How would a system in which both matter and energy are exchanged freely between the system and the surroundings be classified?
2 answers:
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Answer:
b.
Explanation:
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In this case, given the ionization reaction of HClO as weak acid:
We can write the equilibrium expression as shown below:
In such a way, via the definition of x as the reaction extent, we can write:
As long as Ka<<<<1 so that the x on the bottom can be neglected. Thus, we solve for x as shown below:
And finally the percent dissociation:
Which is choice b.
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