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Ilya [14]
3 years ago
11

What happened to the salt molecules when they were added to cold water

Chemistry
1 answer:
Nimfa-mama [501]3 years ago
8 0
Cooler water molecules are denser than warm water and will not allow much of the salt to dissolve
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Light of frequency 3.62 x 1015 Hz
vladimir1956 [14]

The kinetic energy that the liberated electron has in eV based on the given values is :

10.28 eV.

<h3>Explanation:</h3>
  • 1 eV is the kinetic energy gained by an electron or proton when acted upon by a 1 volt potential difference. E = QV is the formula for energy in terms of charge and potential difference.

A photoelectron's maximum kinetic energy is given by

                     Emax = hf - W

  • where h is Plank's constant,
  • f is the incident photon's frequency, and
  • W denotes the metal surface's work function.

here given,

f = 3.62 x 10¹⁵ Hz

W = 4.70 eV

 by recalling the equation for a photoelectron's maximum kinetic energy with given values,

  Emax = hf - W

             = ((4.14 × 10⁻¹⁵eV.s)(3.62 x 10¹⁵ Hz)) - (4.70 eV)

             = 10.28 eV

As a result, we discovered that the maximum kinetic energy of electrons is 10.28eV.

To learn more about kinetic energy of electrons refer to :

brainly.com/question/21208918

#SPJ13

8 0
1 year ago
The density of a mixture measures 1030.5 kilograms per cubic meter. Use scientific notation to represent the density of the mixt
zzz [600]

The formula for density = mass/volume

So the units are gcm^3


So multiply by 1000 to get into grams - 1030500


Add units


1030500gcm^3


7 0
3 years ago
Read 2 more answers
The moisturizer you see on the mirror in your bathroom after a hot shower is called?​
mars1129 [50]

Answer:

Soap that was thrown out

8 0
3 years ago
Which of the following is an example of chemical energy?
baherus [9]

a light bulb is the example of chemical energy

8 0
3 years ago
41Ca decays by electron capture. The product of this reaction undergoes alpha decay. What is the product of this second decay re
dimaraw [331]

Answer:

Cl

Explanation:

⁴¹Ca has an atomic number equal to 20, it means that it has 20 protons and 20 electrons ad its neutral state. In the decay by electron capture, it will lose one electron and will become a cation, but the mass (41) and the atomic number will remain the same.

When Ca⁺ undergoes alpha decay, it will lose an alpha particle, which has mass 4 and 2 protons.

⁴¹₂₀Ca⁺ → ³⁷₁₈X⁺ + ⁴₂α

To be stable, X will lose a proton and will become ³⁷₁₇X. The element which has atomic number 17 is chlorine, Cl.

4 0
3 years ago
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