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Is it true that when ice-cubes melt it absorbs energy?
The molecules in an ice cube arrange themselves so the mutual forces of attraction between the molecules is stronger then they are in liquid form. These forces can be overcome by adding energy to the ice cube, which starts the molecules jiggling until they break free. When they break free you have water. So energy isn't released by a melting ice cube, it is absorbed. The amount of energy that must be absorbed to just melt the ice (overcome those strong attractive forces), without raising the temperature is called the "latent heat of fusion". Every solid that can be melted to a liquid form has a "latent heat of fusion". This is a number you can look up and is different for different substances. In the reverse situation, when water turns to ice, the water releases energy (latent heat of fusion again)and the molecules slow down enough to be captured by the stronger forces. In the South, when a freeze is coming, the farmers will spray their crops with water because before it can turn to ice it first releases the latent heat of fusion energy. This will keep the crops slightly above freezing for a little longer then without the water spray and they hope its long enough.
What happens when there is not enough friction?
no fire
What means thershold energy?
Threshold energy is the energy level where some chemical/physical action happens. For instance water boils at 100 deg C the water molecule attains enough (kinetic) energy it can escape from the rest of the pull of the water molecules. It can be used other context as well e.g. there enough electrostatic energy build up in the clouds, a lightning occur. This is the threshold energy.
How can we ensure there will be enough energy for the future?
In general terms, there are two things we (mankind) can work on.1) Waste less energy. 2) Get access to new energy sources, and especially, to the so-called "renewable" energy sources, meaning, energy sources that will continue working for millions of years.
The change of water from a gas to a liquid?
The process of changing liquid water into a gas is called evaporation. Energy is added to the liquid water - generally in the form of heat. When enough energy is added, it allows the most energetic molecules at the surface of the liquid to break free of the liquid and enter the gas phase. The more energy that is added, the more water molecules will have enough energy to move into the gas phase. If enough energy is added, all the molecules will leave the liquid and from then on adding energy will just make the gas warmer. Another way to change liquid water into gas is to drop the pressure above the liquid. In this case, it takes less energy for the molecules in the liquid to get away from the liquid so some of them will already be energetic enough to get away. Any mass of liquid water will have a range of energies for the molecules, some will be low energy, others high energy with each collision between the molecules, they either gain or loose energy. If they gain enough energy, they can become energetic enough to escape the liquid as a gas. The higher the pressure, the more energy is required to become a gas. If the liquid water is in contact with some gas - air for example. The liquid will evaporate until the gas is saturated with water vapor. At that point the rate of water molecules dropping out of the gas back into the water (because they don't have enough energy to stay in the gas) is equal to the rate of water molecules escaping from the liquid to become gas. This point is also known as "equilibrium".
What happens to liquid when it releases enough energy called?
Breaks
What happens when it releases enough energy?
When an object releases enough energy, it can result in various outcomes depending on the context. For example, in the case of a nuclear reaction, a significant release of energy can lead to an explosion. In a chemical reaction, releasing enough energy can cause a change in temperature or the formation of new substances.
What happens to a liquid releases enough energy?
Prevents gas
What happens when a liquid releases enough energy?
Prevents gas
What happens to a liguid when it releases enough energy that has six letters?
In that case, the liquid will FREEZE.
What happens to a liquid it releases enough energy?
A liquid becomes a solid when heat is removed. The energy content decreases, and the speed of the particles decrease.
What happens to a liquid when a it releases enough energy?
A liquid becomes a solid when heat is removed. The energy content decreases, and the speed of the particles decrease.
What happens to a liquid when it releases to enough energy?
A liquid becomes a solid when heat is removed. The energy content decreases, and the speed of the particles decrease.
What happens to a liquid. When it releases enough energy?
A liquid becomes a solid when heat is removed. The energy content decreases, and the speed of the particles decrease.
What happens when to a liquid when its releases enough energy?
A liquid becomes a solid when heat is removed. The energy content decreases, and the speed of the particles decrease.
What happens to a liquids when it releases enough energy?
A liquid becomes a solid when heat is removed. The energy content decreases, and the speed of the particles decrease.
What happens when to a liquid when it releases enough energy?
A liquid becomes a solid when heat is removed. The energy content decreases, and the speed of the particles decrease.
