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Marrrta [24]
3 years ago
14

1. Which curve or point of a phase diagram would indicate the melting point at various temperatures and pressures?

Chemistry
2 answers:
Flura [38]3 years ago
7 0
I think the correct answer from the choices listed above is the second option. It is the fusion curve that <span>would indicate the melting point at various temperatures and pressures. It is the boundary in the phase diagram that separates the solid and the liquid phase. </span>
yanalaym [24]3 years ago
3 0
Which curve or point of a phase diagram would indicate the melting point at various temperatures and pressures?

fusion curve

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During an endothermic phase change, what happens to the potential energy and the kinetic energy?
antiseptic1488 [7]

During endothermic phase change, the potential energy of the system always increases while the kinetic energy of the system remains constant. The potential energy of the reaction increases because energy is been added to the system from the external environment.

<u>Explanation</u>:

  • Those are three distinct methods for demonstrating a specific energy condition of an object. They don't affect one another.
  • "Potential Energy" is a relative term showing a release of possible energy to the environment. If we accept its pattern as the overall energy state of a compound, at that point, an endothermic phase change would infer an increase in "potential" as energy is being added to the compound by the system.
  • A phase change will display an increase in the kinetic energy at whatever point the compound is transforming from a high density to a low dense phase. The kinetic energy will decrease at whatever point the compound is transforming from a less dense to high dense phase.
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3 years ago
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tigry1 [53]

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3 0
3 years ago
Which statement is part of the 3R rule?
makvit [3.9K]

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A sodium ion has a radius of 1.16 x 10^-10 m and a nearby fluoride ion has a radius of 1.9 x 10^-10 m. Determine the distance be
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The answer is: the distance between two nuclei is 2.35×10⁻¹⁰ m.

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The sum of ionic radii of the cation and anion gives the distance between the ions in a crystal lattice.

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