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Which state changes are exothermic and endothermic?
freezing is exothermic, melting is endothermic, evaporation is endothermic, condensation is exothermic.
What word means the opposite of melting?
freezing,solidifying
What is common between melting and evaporation?
Both melting and evaporation involve a change in physical state from a solid to a liquid (melting) or from a liquid to a gas (evaporation). In both processes, energy is absorbed to break the intermolecular forces holding the molecules together.
What are the differences between freezing and melting?
When you melt something, for instance an ice cube, you are suppling enough heat energy to break intermolecular bonds between molecules so there are enough free molecules to change state. When you freeze water, you are cooling it down enough so that the molecules stop moving enough for intermolecular forces to have an effect, essentially holding the molecules in a structure that, to the eye, is ice. Freezing is the transition from liquid to solid (heat is being lost from the system). Melting is the transition from solid to liquid (heat is being gained by the system)
What is the phase change called for liquid to solid?
When a solid is heated and changes to a liquid, the phase change is called melting.
Is boiling the reverse of freezing?
no it is not melting is the reverse of freezing
What are evaporation condensing melting and freezing?
Evaporation is a liquid becoming gas; condensation is the reverse. Melting is a solid becoming liquid; freezing is the reverse.
What are the phase changes?
Melting, Freezing, Condensation, Evaporation, and Sublimation.
How freezing and evaporation affect salinity?
Salinity is increased by evaporation or by freezing of sea ice. It is decreased as a result of rainfall, runoff, or melting of ice.
Melting boiling condensation freezing solidification and evaporation are processes which involve what?
Water.
What are the 5 physical change in matter?
Melting,freezing, evaporation, condensation, sublimation
Which is the 6 th state of matter?
boiling, melting, sublimation, freezing, condensation, evaporation
What are the freezing melting boiling and evaporation points of water?
The melting/freezing point of water is oC.The boiling point of water is 100 oC at standard pressure.Evaporation occur at any temperature.
What kind of changes are melting and freezing?
Melting, freezing, boiling, evaporation are physical change
What are the six different phase changes?
The six different phase changes are: Melting (solid to liquid) Freezing (liquid to solid) Vaporization (liquid to gas) Condensation (gas to liquid) Sublimation (solid to gas) Deposition (gas to solid)
What are the changes?
Sublimation, boiling, condensation, melting and freezing. One might include evaporation, though that does not happen at a particular temperature.
What are the five states of change?
The 5 changes of state are melting (solid to liquid), evaporation (liquid to gas), condensation (gas to liquid), freezing(liquid to solid), and sublimation (solid to gas or gas to solid)
