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N76 [4]
2 years ago
8

What element has an electron configuration of 2-8-8-1:

Chemistry
1 answer:
Afina-wow [57]2 years ago
4 0
Ойлголоо, уучлаарай Ойлголоо, уучлаарай /; coo
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Which law is based on the graph that is shown below? A graph is shown with pressure on the horizontal axis and volume on the ver
DIA [1.3K]

<u>Answer:</u>

"Boyle's Law" is based on the graph that is shown below.

<u>Explanation:</u>

Boyle's law or Boyle – Mariotte law or Mariotte's law, is an experimental gas law that discusses how a gas's pressure tends to rise as the container volume start declining. This shows the relationship between pressure and volume for a fixed mass at a constant temperature, i.e., number of a gas molecules.This rule visualizes the actions of gas molecules in a confined space. This law can be understood from following equation:

p₁V₁ = p₂V₂

Above the product of the initial volume and pressure is equal to the product of the volume and pressure after a change.

5 0
3 years ago
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If a solution containing A+ ions and a solution containing B- ions have just been mixed and [A+][B-] is greater than Ksp of AB,
frozen [14]

Answer:

Explanation:

In the solution of AB , they are split  to give ions as follows

AB ⇄ A⁺ + B⁻

Product of concentration of A⁺ and B⁻ in saturated solution of AB is constant .

This is called Ksp

Ksp = [A⁺] [ B⁻]

If product of concentration of A⁺  and B⁻ exceeds Ksp , the equilibrium shifts to the left side and excess ions come out of solution in the form of precipitate. So second option is the answer.

4 0
3 years ago
if the gas pressure exerted by a gas at 45 degrees celsius in a volume of 1.944 ATM, how many moles of gas are present?​
Firdavs [7]
If the.pressure exerted by a gas at [math]25^{\circ} \mathrm{C}[/math] in a volume of 0.044 L is 3.81 atm, how many moles of gas are present
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3 years ago
Determine the number of protons, neutrons, and electrons in the following isotopes that are used in medical diagnoses: (a) atomi
il63 [147K]

Answer:

7-c=760

Explanation:

the answer is 7-c=7698

7 0
3 years ago
Does the space between the particles decrease or increase when matter changes it’s state to a solid?
bazaltina [42]

Answer:

i pretty sure it decreses

Explanation:

7 0
3 years ago
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