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Thermal Energy
A liquid becomes a solid when heat is removed. The energy content decreases, and the speed of the particles decrease. When bonds form, heat energy is given off. This reaction is an exothermic reaction.
Physical Change
The gas gets colder. Get it cold enough, it becomes a liquid.
A liquid becomes a solid when heat is removed. The energy content decreases, and the speed of the particles decrease.
A change of state where energy is removed from a substance is called an exothermic reaction. This chemical reaction releases energy in the form of light or heat.
When energy is removed from a gas, condensation occurs. When energy is removed from a liquid, freezing occurs.
It is called the transformation of energy.
Thermal Energy
A liquid becomes a solid when heat is removed. The energy content decreases, and the speed of the particles decrease. When bonds form, heat energy is given off. This reaction is an exothermic reaction.
A liquid becomes a solid when heat is removed. The energy content decreases, and the speed of the particles decrease.
Physical Change
Physical
A liquid becomes a solid when heat is removed. The energy content decreases, and the speed of the particles decrease.
The heat energy in the milk had to be removed in order to change the phase of milk.
The heat energy in the milk had to be removed in order to change the phase of milk.
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