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Heather Tremblay
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What kind of change happens when the composition of a substance does not change?
Physical changes, such as the change from ice to water to steam; the compound remains as H2O in all three states.
What happens to particle size when a substance undergoes physical change?
It enlarges
What is the meaning of Physical Change What is the meaning of Chemical Change?
PHYSICAL CHANGE - refers to the change in size, shape, or state of matter. CHEMICAL CHANGE - happens when one chemical substance is transformed into one or more different substance, such as iron becomes rust.
Is it a physical or chemical change when a substance changes form but it remains the same substance?
it would be physical change because physical change is when the substance stays the same
When a substance changes into a different substance a blank change has occurred?
If form changes but identity doesn't change then it is a physical change.
What kind of change happens when the composition of a substance does not change?
Physical changes, such as the change from ice to water to steam; the compound remains as H2O in all three states.
What happens when you take the heat away from a substance?
Physical change
What kind of change happens when a substance dissolves?
I want to say physical change
What happens When a substance goes through a physical change?
The Substances die
What happens to particle size when a substance undergoes physical change?
It enlarges
What happens to the identity of a substance when it makes a physical change?
there is to types of change to a substance chemical and physical in a physical change the result is a mixture also most times you can change your end result into what you started with e.g.freeze-melt evaporate-condesate
Change 3 explain what happens to the identity of a substance in a physical change 4- explain what causes a substance to change from one state to another 5- explan what happens to particle size?
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How is a physical change related to a substance physical properties?
a physical change is a change in any physical property of a substance, not in the substance itself
How is a physical change related to a substance physical property?
a physical change is a change in any physical property of a substance, not in the substance itself
What happens to the density of a given substance if you increase the amount of substance that you have?
No change: Density is a property of the substance (physical property), which is not changed by the amount of substance.
What happens to energy during a change of state why is it a physical change?
Its released or adsorbed. Its "physical" because no new substance(s) is produced.
What happens to energy during a change of state Why is it physical change?
Its released or adsorbed. Its "physical" because no new substance(s) is produced.
