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both. It depends what substance it is. For example: solid water (ice) melts into liquid water (water) and then that melts into gas water (water vapour). Another example is that frozen carbon dioxide (c02)which is a solid also known as dry ice, melts into c02 gas hence the name dry ice because when it melts it goes straight into a gas state.
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Is it true or false that the temp. at which a liquid turns to a gas is called the boiling point?
True. The temperature at which a liquid turns into a gas is called the boiling point.
True or false An ice cube melts when it's mechanical energy increases?
True. When an ice cube absorbs mechanical energy, it increases its internal energy, causing its temperature to rise and eventually melt.
Is A beef steak is an example of a crystalline solid true or false?
False. A beef steak is not an example of a crystalline solid. Crystalline solids have a regular and ordered arrangement of atoms or molecules, whereas the structure of a beef steak is more complex and heterogeneous.
When a molecular solid mixes with water the solute breaks down into individual molecules true or false?
False. When a molecular solid mixes with water, the solute typically breaks apart into individual ions or molecules, rather than breaking down into individual molecules. This process is known as dissociation.
Is it true or false for A Change In State Is A Physical Change?
True. A change in state, such as from solid to liquid or gas, is a physical change because the substance's chemical composition remains the same and only its physical properties, like shape or state, change.
Does Muscle turns into fat-True or False?
false
Does a wet rock generally melts at a lower temperature than a dry rock true or false?
True. A wet rock generally melts at a lower temperature than a dry rock because the presence of water in the rock lowers its melting point due to the water acting as a flux, reducing the energy required for melting.
True or false the crust and mantle are solids the inner crust is thoght to be solid?
True, both the crust and mantle are composed of solid rock. The innermost part of the crust is also believed to be solid, although it may experience some plastic deformation under extreme pressures and temperatures.
A wet rock generally melts at a lower temperature than a dry rock true or false?
True. Water has a lower melting point than most rocks, so when a rock is wet, the presence of water can lower the overall melting point of the rock.
True or False Sublimation is a change from solid to gas?
True. Sublimation is the process by which a substance goes from a solid state directly to a gas state without passing through the liquid state.
True or false a geometric solid has only length and width?
False
The seaons are caused by the earth tilting over as it turns is it true or false?
true
Is A beef steak is an example of a crystalline solid true or false?
False. A beef steak is not an example of a crystalline solid. Crystalline solids have a regular and ordered arrangement of atoms or molecules, whereas the structure of a beef steak is more complex and heterogeneous.
True or false the sublimitation is a change from solid to gas?
That statement is true.
True or false- in solid NaCL no molecules of NaCL exist?
true
Is Pluto manly made of gas true or false?
False. Pluto is solid.
In geometry a solid may exist in a plane true or false?
The statement is false.
