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3 years ago

Which of these is NOT a point of the Kinetic-Molecular theory?

Chemistry

1 answer:

vodka [1.7K]3 years ago

3 0

Answer: Gas molecules are pulled together by inter-molecular forces.

Explanation:

One of the postulate of the Kinetic Molecular Theory of gas state that, there are no force of attraction or repulsion between gas molecules.

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A saturated solution of Pb(IO3)2 in pure water has a lead ion concentration of 5.0 x 10-5 Molar. What is the Ksp value of Pb(IO3

Orlov [11]

Answer:

Option (E) is correct

Explanation:

Solubility equilibrium of $Pb(IO_{3})_{2}$ is given as follows-

$Pb(IO_{3})_{2}\rightleftharpoons Pb^{2+}+2IO_{3}^{-}$

Hence, if solubility of $Pb(IO_{3})_{2}$ is S (M) then-

$[Pb^{2+}]=S(M)$ and $[IO_{3}^{-}]=2S(M)$

Where species under third bracket represent equilibrium concentrations

So, solubility product of $Pb(IO_{3})_{2}$ , $K_{sp}=[Pb^{2+}][IO_{3}^{-}]^{2}$

Here, $[Pb^{2+}]=S(M)=5.0\times 10^{-5}M$

So, $[IO_{3}^{-}]=2S(M)=(2\times 5.0\times 10^{-5})M=1.0\times 10^{-4}M$

So, $K_{sp}=(5.0\times 10^{-5})\times (1.0\times 10^{-4})^{2}=5.0\times 10^{-13}$

Hence option (E) is correct

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3 years ago

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daser333 [38]

I can’t see any pictures

8 0

3 years ago

3. 2KOH + H2SO4 = K2SO4 + 2H2O what chemical reaction is it.

Serjik [45]

From what is given, double replacement is what it is

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2 years ago

-3 × 4=? ....................

blagie [28]

Answer:

-12

Explanation:

a negative times a positive is negative

8 0

4 years ago

Read 2 more answers

How many liters of water vapor can be produced if 13.3 liters of methane gas (CH4) are combusted, if all measurements are taken

Pie

To get the number of liters of water vapor produced from the combustion of methane gas, we just need the stoichiometric ratio of water to methane which is 2:1. So the number of liters of water vapor from 13.3 liters of methane is 26.6 liters.

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3 years ago