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Inessa [10]
3 years ago
14

The reaction 2KClO3(s) --> 2KCl(s) + 3O2(g) is a(n)

Chemistry
1 answer:
julia-pushkina [17]3 years ago
8 0

Answer:

decomposition reaction.

Explanation:

It is a decomposition reaction as potassium chlorate compound breaks to form potassium chloride and oxygen. This reaction requires heat as source of energy to break down the compound so it is endothermic in nature.

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Answer:

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Explanation:

Y(IO_{3} )_{3} ---- Y^{3+} +IO_{3} ^{3-}

I could use ⇌ in the math editor so I used ----

from the question each mole of Y(IO3)3 is dissolved  and this is giving us a mole of Y3+ and a mole of IO3^3-

Ksp = [Y^3+][IO3-]^3

So that,

1.12x10^-10 = [S][3S]^3

such that

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the value of s is 0.001427mol per L

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so in conclusion

the molar solubility is therefore 1.427x10^-3mol per L

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