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anzhelika [568]
3 years ago
10

In the electron cloud model, electrons are said to be moving so fast that a person can _____.

Chemistry
2 answers:
morpeh [17]3 years ago
7 0
Cannot describe their exact position.
mafiozo [28]3 years ago
3 0

Answer: Not determine their exact position.

Explanation:  In the electron cloud model, electrons are said to be moving so fast that a person<u> cannot determine their exact position. </u>

This phenomenon goes well off with the Heisnberg Uncertainity Principle (HUP)which states that the momentum (Δm) and position (Δx) of an obejct cannot be determined simultaneously at the same time.

The mathematical relation of HUP is -

                                      Δx Δm ≥ h/ 4π

where h = Planck's Constant

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Bobby found that water has a high boiling point and concluded this was because water intermolecular forces. Based on the data, i
Art [367]

Yes, Bobby is correct

Explanation:

Anomalously high boiling point of water is as a result of the intermolecular forces between the molecules of water.

The intermolecular forces found in water are the very strong hydrogen bonds.  The bulk of the physical properties of matter are due to the intermolecular forces that they possess.

  • Hydrogen bonds are stronger than van der waals forces and they are more effective in binding molecules together into larger units.
  • Substances whose molecules join via hydrogen bonds have higher boiling points i.e lower volatility than those with van der waals forces.
  • Hydrogen bond is actually an electrostatic attraction between hydrogen atom of none molecule and the electronegative atom(O or N or F) of a neighboring molecule.

Learn more:

Hydrogen bonds brainly.com/question/10602513

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5 0
4 years ago
From Earth to space, what is the correct order of the main layers in the atmosphere?
Kamila [148]

Answer:

troposphere, the stratosphere, the mesosphere and the thermosphere

Explanation:

6 0
4 years ago
Is 4atm to big of a difference to get when I use the ideal gas law vs the van der waals equation?
garik1379 [7]

This absolute amount of pressure does not play a significant difference.

At high temperatures and low pressures, its results deviate too little.

But at low temperatures and high pressures, it will change significantly and this difference will change from gas to gas.

In the image you can see the difference between some results from both equations.

4 0
3 years ago
A thermometer is in a beaker of water. Which statement best explains why the thermometer reading initially increases when LiBr(s
fiasKO [112]
<span>(4) The dissolving of the LiBr(s) in water is an exothermic process</span>
8 0
3 years ago
Which of the following is a strong acid?
4vir4ik [10]

H2SO4 is referred to as a strong acid and is denoted as option A.

<h3>What is an Acid?</h3>

This refers to any substance which tastes sour when in water and changes the color of blue litmus paper to red. It is usually very corrosive and are used in industries for different functions.

H2SO4 is referred to as a strong acid because it dissociates completely in its aqueous solution or water.

Read more about Acid here brainly.com/question/25148363

#SPJ1

3 0
2 years ago
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