Answer:
positive
negative
Explanation:
Usually electricity moves from positively charged to negatively charged eletrons
<span>Ksp = 1.2 x 10^-17 = [Zn2+] [OH-]^2
Zn(OH)2 <----> Zn2+ + 2OH-
[Zn2+] = x
[OH-] = 2x
1.2 x 10^-17 = (x) ( 2x)^2 = 4 x ^3
x = 1.4 x 10^-6 M
2x = 2.8 x 10^-6 M
pOH = - log 2.8 x 10^-6 = 5.5
pH = 14 - 5.5 =8.5
i think this is it
</span>
Answer:
Proton, stable subatomic particle that has a positive charge equal in magnitude to a unit of electron charge and a rest mass of 1.67262 × 10−27 kg, which is 1,836 times the mass of an electron.
Answer:
B. 091
Explanation:
When we add these two equilbria, the equilibrium constant for the resultant equilibrium is the product of the first two.
Notice that when we add the first two reactions in this question, we obtain the equilibrium for which we are seeking its equilibrium constant. Therefore,
A(g) + B(g) ? AB(g) Kc₁ = [AB] / [A][B]
+
AB(g) + A(g) ? A2B(g) Kc₂ = [A₂B] /[ AB][A]
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2 A(g) + B(g) ⇄ A₂B(g) Kc₃ = [A₂B] / [A]²[B]
Kc₁Kc₂ = [AB] / [A][B] x [A₂B] / [AB][A] = [A₂B] / [A]²[B]
Thus,
Kc₃ = 0.24 x 3.8 = 0.91
This procedure is not limited to two reaction, it could done for more than two, as long as the desired equilibrium is the desired one.
