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Evaporation
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What is the average rate of disappearance for the substance in this chemical reaction?
The average rate of disappearance for a substance in a chemical reaction is the speed at which the substance is used up over time. It is calculated by dividing the change in concentration of the substance by the change in time.
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
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
Is disappearance of moth ball a chemical or physical change?
The disappearance of a mothball is considered a physical change. This is because there is no change in the chemical composition of the mothball when it disappears; it simply changes form from a solid into a gas through the process of sublimation.
Can a physical change change what a substance is?
a physical change will only alter the appearance but will NOT change the substance to another substance =)
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 form but it remains the same substance is it a chemical or physical change?
it would be physical change because physical change is when the substance stays the same
When a substance changes form but it remains the same substance is it a physical or chemical change?
it would be physical change because physical change is when the substance stays the same
Can a physical change change what a substance?
No. The whole idea of a physical change is one which does not alter the nature of the substance.
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.
Can a physical change what a substance is?
No. The whole idea of a physical change is one which does not alter the nature of the substance.
What kind of change happens when the composition of a substance does not change?
A physical change occurs when the composition of a substance does not change. This means the substance retains its chemical identity but may undergo a change in its physical properties like shape, size, or state of matter. Examples include melting, freezing, boiling, or dissolving.
