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maks197457 [2]
3 years ago
12

What determines wether or not a reaction is spontaneous answers?

Chemistry
1 answer:
tester [92]3 years ago
7 0
If ΔG  (Gibb's free energy) <0, then a reaction is spontaneous
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Will an empty balloon have precisely the same apparent weight on a scale as a balloon filled with air? Explain.
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Chlorous acid (HClO2) is used in bleaching textiles, leather, paper, and fibers. The value of Ka for chlorous acid is 1.2 ✕ 10−2
soldier1979 [14.2K]

Answer:

1.36

Explanation:

HClO2  ⇄  H+  +  ClO2-

           [HClO2]          [H+}         [ClO2-]

initial:  0.12       0         0

change: -x        +x       +x

equil:   0.12-x    x          x

[H+][ClO2-] / [HClO2] = Ka = 1.2 * 10^-2

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x^2 +  (1.2 * 10^-2)x – (2.4 * 10^-3) = 0

Upon solving for x,

x = 0.04335

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pH = -log[H+]

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