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attashe74 [19]
3 years ago
9

Which of these planets has the coldest surface temperature?

Chemistry
2 answers:
astraxan [27]3 years ago
7 0

Answer:

Neptune planet has the coldest surface temperature.

Explanation:

  • Neptune is recognized as an Ice Monster and for a great purpose.
  • It has an ordinary temperature of nearby -215 degrees Celsius.
  • That is extremely colder than Earth's standard of 16 degrees Celsius.
  • Neptune requires a hard surface as such and rather has an icy water layer that assists as the planet's mantle.

lianna [129]3 years ago
3 0

Neptune planet has the coldest surface temperature

<u>Explanation:</u>

With temperatures falling to -218°C in Neptune’s upper atmosphere, the planet is one of the coolest in our Solar System.  Neptune is the most faraway planet from the sun. Astronomers have speculated that Neptune's huge internal temperature and the transfer of heat between the core and outer layers might be the cause why Neptune isn't significantly more chill than Uranus.

Pressures in this area range between 1 and 5 bars and the temperature reaches a high of 72 K. At this temperature, states are becoming for methane to condense, and clouds of ammonia and hydrogen sulfide are thought to form. At its core, Neptune reaches temperatures of up to 7273 K which is equivalent to the surface of the sun.

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Geologists have a rule of thumb: when molten rock cools and solidifies, crystals of compounds with the smallest lattice energies appear at the bottom of the mass because of high power of solubility.

<h3>What is lattice energy? </h3>

The lattice energy is defined as the energy change upon the formation of one mole of crystalline ionic compound from its same constituent ions, that are assumed to be initially in the state of gases. It is also defined as measure of the cohesive forces which bind ionic solids together.

As the lattice energy of the ionic compound increase the solubility of that particular compound decrease. Hence compound which have low lattice energy are more soluble than compound having high lattice energy. When molten rocks cools and solidified, the compound having smallest lattice energy become more soluble than crystals of compound which have large lattice energy. Therefore, crystal of compound with the smallest lattice energy start appearing at the bottom of the mass.

Thus, we concluded that due to high solubility power of compound with low lattice energy appear at the bottom of the mass.

learn more about lattice energy:

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