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When a substance goes from a gas to a liquid it goes through a?
Phase change.
When a substance under goes a physical change its?
The classical example is water with 3 phases: solid, liquid, gas. The transition is called change of phase
What are the signs of a physical changes?
A physical change to a substance is a change in its state. This means that the substance goes from a solid to a liquid or gas, or vice versa.
What happens When a substance goes through a physical change?
The Substances die
Describe what happened to a substance when it goes through a physical change.?
A physical change is one in which the shape, size, appearance or state, of a substance may alter, but its chemical composition remains same.
When matter under goes physical change does the composition of the matter change?
No it doesn't
What is it called when a substance under goes a chemical change?
A chemical reaction occur.
When ethanol condenses and goes from gaseous state to liquid state is this a physical change or chemical change?
Condensation is a physical change, as the chemical identity of the substance is not altered by condensation.
What happened to a substance when it goes through a physical change?
A physical change is one in which the shape, size, appearance or state, of a substance may alter, but its chemical composition remains same.
What happens to a substance as it under goes a phase change?
A change from gas to liquid, from solid to liquid, from liquid to gas, etc.
Is boiling point a physical intensive physical extensive or a chemical?
When a liquid reaches boiling point it goes through a phase change, liquid to gas. Phase changes do not change the nature of a chemical so it is a physical change. This physical change can sometimes be caused by a chemical change though.
Iodine sublimes to iodine vapor is physical or chemical change?
Sublimation of iodine to iodine vapor is a physical change. It is a phase transition in which a substance goes directly from a solid to a gas without changing its chemical composition.
