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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.
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.
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.
