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satela [25.4K]
1 year ago
15

Explain the effect of strong intermolecular forces on each of these parameters: (a) critical temperature;

Chemistry
1 answer:
Delicious77 [7]1 year ago
7 0
  • (A) The molecules can no longer be condensed because they are moving too quickly at the critical temperature.
  • Because the forces are insufficient to stop molecular motion, this temperature drops with weaker intermolecular forces.
  • Alternately, the critical temperature rises as intermolecular forces increase.

b) The boiling point rises as intermolecular forces do because it becomes harder and more energy-intensive to separate molecules from the liquid phase.

(C) For the same reason as in b), the vapor pressure falls as intermolecular forces rise.

  • Strong intermolecular forces prevent molecules from entering the vapor phase easily at any given temperature, resulting in a decrease in vapor pressure.

d) The heat of vaporization rises as intermolecular forces increase because more energy is required to separate molecules from one another.

Learn more about critical temperature

brainly.com/question/16992351

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<u>The complete question is -</u>

Explain the effect of strong intermolecular forces on each of these parameters: (a) critical temperature, (b) boiling point, (C ) vapor pressure, (d) heat of vaporization

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Answer:

The answer to your question is m = 4.7 kg

Explanation:

Data

Ice                                   Water

mass = ?                          mass = 711 g

T₁ = -13°C                         T₁ = 87°C

T₂ = 10°C                         T₂ = 10°C

Ch = 2090 J/kg°K          Cw = 4180 J/kg°K

Process

1.- Convert temperature to kelvin

T₁ = 273 + (-13) = 260°K

T₁ water = 87 + 273 = 360 °K

T₂ = 10 + 273 = 283°K

2.- Write the equation of interchange of heat

                 - Heat lost = Heat absorbed

               - mwCw(T₂ - T₁) = miCi(T₂ - T₁)

-Substitution

              - 0.711(4180)(10 - 87) = m(2090)(10 - (-13))

- Simplification

                            228842.46 = 48070m

                            m = 228842.46/48070

-Result

                            m = 4.7 kg

4 0
3 years ago
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Answer:

Under the earth's surface, rocks melt, metamorphize, and crystalize.

Explanation:

Metamorphic and Igneous rocks are basically dependant on the heat/pressure of the environment under the surface :) Melting, metamorphosing and crystallization all occur under earth's surface.

3 0
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Answer:

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Explanation:

7 0
2 years ago
Give the reason for the evaporation of the solution to dryness with 6 m hcl in the first procedure of the copper-arsenic group a
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<span>
Evaporation occurred between the reaction of the hydrochloric acid and the arsenic group because there is a formation of gas. A liquid is cooled if condensation exceeds evaporation. This is because the cooling of the liquid decreases the kinetic energy of the molecules. Their movement is being restricted by the colder temperature. The molecules tend to be closer with each other. Also, because of their restricted movement, the liquid may turn into solid due the colder temperature. An example of this is the cooling of liquid water by placing it into the refrigerator into solid water (ice).</span>
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3 years ago
Convert 3.9x10^5mg to dg
bonufazy [111]
Thank you for posting your math problem here. To convert 3.9x10^5mg to dg the answer is <span>3.9 x 10^3 dg. Below is the solution: 

Solution:

</span><span>1mg=0.01dg 
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</span>dg = <span>(3.9 X 10^5) x 0.01
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7 0
2 years ago
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