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2 years ago

Distinguish between the equilibrium constant expression and ksp for the dissolution.

1 answer:

3 0

Ksp is an equilibrium constant like Keq but specifically for dissolving salt while Keq is more for reactants turning into products..

More about ksp and keq:

The main distinction between Ksp and Keq is that the former refers to a substance's solubility, whilst the latter refers to the equilibrium state of a specific reaction.

The solubility product constant is abbreviated Ksp, and the equilibrium constant is abbreviated Keq. Ksp is a specific kind of equilibrium constant that exclusively pertains to the solubility of solids. We can use the more broad term keq to identify the characteristics of any kind of equilibrium.

Learn more about ksp here:

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Hydrogen atoms in a discharge tube are in their ground state. If a beam of free electrons of energy12.9 eV are fired at the hydr

defon

Answer:

See explanation

Explanation:

-0.7ev = -13.6/n^2

n= 4

4--->1

4--->3, 3---> 2, 2--->1

E4-E1= -13.36(1/4^2 - 1/1^2) = 12.53 eV

E4-E3 = -13.36 (1/4^2 - 1/3^2) = 0.65 ev

E3-E2 = -13.36 (1/3^2 - 1/2^2) = 1.86 eV

E2- E1 = -13.6 ( 1/2^2 - 1/1^2) = 10.02 ev

λ= 6.6 × 10^-34 × 3 × 10^8/12.53 × 1.6 × 10^-19

λ= 19.8 × 10^-26/20.048 ×10^-19

λ= 9.9 × 10^ -8 m

λ= 6.6 × 10^-34 × 3 × 10^8/0.65 × 1.6 × 10^-19

λ= 19.8 × 10^-26/1.04 ×10^-19

λ= 19.0 × 10^ -7 m

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Give the chemical symbol of an element in the third period (row) of the periodic table with four 3p electrons.

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Answer: The chemical symbol of the element is Sulfur.

Explanation:

The element which is present in third period of the periodic table having four 3p electrons is Sulfur. Sulfur is the 16th element of the periodic table which has 6 valance electrons.

The electronic configuration of this element is: $[Ne]3s^23p^4$

This element is considered as a non-metal because it will accept electrons in order to attain stable electronic configuration.

Hence, the chemical symbol of the element is Sulfur.

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