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Mandarinka [93]
3 years ago
12

Potassium -39 has how many neutrons

Chemistry
1 answer:
enyata [817]3 years ago
5 0
Potassium has 20 neutrons

Hope this helps
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What is the pH of sulfuric acid?
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Which orbital can be modeled by a "peanut" shape?
kobusy [5.1K]

Answer:

d - orbital

Explanation:

The d-orbital can modelled by a peanut shape.

A peanut shape closely resembles the shape of a double dumb-bell shape. The double dumb-bell shape is like that of a peanut.

  • The s-orbital has a spherical shape.
  • p - orbital is dumb-bell shaped
  • d - orbital is a double dumbell
  • f - orbital has a complex shape.

Therefore, since a peanut is like a double dumb-bell, it clearly models the d-orbital.

4 0
3 years ago
Consider the following chemical reaction in equilibrium. CH3COOH Double headed arrow. CH3COOâ€""(aq) H (aq) What will happen to
Rashid [163]

The addition of magnesium chloride to the solution results in unaffected chemical equilibrium of the system. Thus, option A is correct.

The given chemical equation has been:

\rm CH_3COOH\;\leftrightharpoons\;CH_3COO^-\;+\;H^+

The reaction is reversible and can be converted back to the reactant with the increase in the product concentration. The equilibrium has been the condition when the concentration of products and reactants in the reaction are equal.

With an increase in products or reactants, there has been a corresponding chemical shift in the equilibrium.

The addition of Magnesium chloride in the solution, results in the dissociation of compound as:

\rm MgCl_2\;\rightleftharpoons \;Mg^+\;+\;2\;Cl^-

The compound results in neither the increase of reactants, nor increase of product concentration in the acetic acid equilibrium.

Thus, the equilibrium of the system will remain unaffected by the addition of magnesium chloride. Thus, option A is correct.

For more information about equilibrium shift, refer to the link:

brainly.com/question/25964464

6 0
3 years ago
Question
AlekseyPX
Largest

K
Ca
Ga
Ge
As
Br
Kr
Smallest
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3 years ago
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