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What are the types of phases change that require energy?
The types of phase changes that require energy are melting (solid to liquid), sublimation (solid to gas), and evaporation (liquid to gas). These phase changes require energy input to break the intermolecular forces holding the particles together in a particular phase.
What changes of state require energy?
Sublimation, melting, and vaporization are three changes of state which require energy.
Identify to changes of state that require energy to be used and two changes of state that require the release of energy?
Changes of state that require energy: melting (solid to liquid) and vaporization (liquid to gas). Changes of state that release energy: freezing (liquid to solid) and condensation (gas to liquid).
Which of the changes of state shown in the figure require an increase in energy answers?
Evaporation uses energy to change from a liquid to a gas. Melting uses energy to change from a solid to a liquid. Condensation releases energy to change from a gas to a liquid. Freezing releases energy to change from a liquid to a solid.
Which state changes require heat and which gives off heat?
Endothermic processes require heat to occur, such as melting and vaporization, because energy is absorbed from the surroundings. Exothermic processes give off heat, such as freezing and condensation, because energy is released to the surroundings.
Do physical changes involve change in energy?
Yes, physical changes involve a small change in energy.
What is the difference between the heat of fusion and the heat of vaporization in terms of their effects on phase changes?
The heat of fusion is the energy required to change a substance from a solid to a liquid, while the heat of vaporization is the energy needed to change a substance from a liquid to a gas. Both are types of phase changes that require specific amounts of energy to occur.
What all changes of the state of matter require?
heat energy
What are two changes in state the require the addition of latent potential energy?
Two changes in state that require the addition of latent potential energy are melting and vaporization. When a solid melts into a liquid or a liquid vaporizes into a gas, energy is absorbed to overcome intermolecular forces and change the state of the substance without changing its temperature.
Is changes in energy a chemical change?
Changes in energy themselves are not considered chemical changes. Instead, changes in energy may occur as a result of a chemical change taking place, such as in an exothermic or endothermic reaction where energy is either released or absorbed.
What are two changes in state that require the release of latent potential energy?
Two changes in state that require the release of latent potential energy are condensation, where gas turns into liquid and releases energy, and freezing, where liquid turns into solid and releases energy.
What Energy changes occur in wind?
Slap change in energy
