AngstyGroot
01.02.2020 •
Chemistry
When liquid helium is exposed to room temperature, it forms a gas. which best explains why this happens?
the liquid helium absorbs energy from the air in the room.
the particles in the air absorb the energy of the liquid helium.
the helium particles release energy and slow down.
the air in the room has less energy than the liquid helium.
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Ответ:
Ответ:
Option (a) is the correct answer.
Explanation:
When liquid helium is exposed to room temperature then it absorbs energy from the surroundings or atmosphere. As a result, kinetic energy of helium molecules increases and thus, force of attraction between the molecules decrease.
Therefore, liquid helium changes into gas.
Hence, we can conclude that the liquid helium absorbs energy from the air in the room best explains when liquid helium is exposed to room temperature, it forms a gas.
Ответ: