A few days ago
What happens to the density…?
What happens to the density of a fluid that becomes hotter? I know it becomes less dense…but why?
Top 5 Answers
A few days ago
Favorite Answer
As you add energy in form of heat, the molecules become more excited (vibrate more) and the solid, fluid or gas expand. This means they become less dense.
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A few days ago
Does it become less dense?
It weighs the same. If it is in a sealed vessel with no room to expand, the volume cannot change. Density is equal to the weight divided by volume. Since they haven’t changed, neither would the density. The PRESSURE would increase in this case, but not the density.
If the vessel was open to allow the fluid to expand, then the pressure would remain constant with the atmosphere, and the volume would expand. Same weght and larger volume means less density.
btw, water expands as the temperature drops. that is why ice cubes float.
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A few days ago
The object becomes less dense because when it is heated it starts to looes form and when the form of the object changes it looeses density, u can look at water and ice as an example, water has a density or 1 and ice has a density of .97, the ice lost density because its fromed changes and it lost some ,same with heating it,
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A few days ago
The rapid vaporization of a liquid occurs when a liquid is heated to its boiling point, the temperature such that its vapor pressure is above that of the surroundings, such as atmospheric pressure. Thus, a liquid may also boil when the pressure of the surrounding atmosphere is sufficiently reduced, such as the use of a vacuum pump or at high altitudes. Boiling occurs in three characteristic stages, which are nucleate, transition and film boiling. These stages generally take place from low to high surface temperatures, respectively. It changes to a gas.
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A few days ago
becuase steam is created and some of the mass(electrons) are being used for that
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