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Is evaparation a physical or chemical change?
Physical. If water evaporates, it is still water. It does not change into a different substance. A Chemical change is when something changes into a different substance. For example, when wood is burned, it changes into a different substance(ash).
What is change in a substance that does not involve a change in the identity?
Then the physical characteristic of a substance change, it is called a change in state. This most commonly occurs when a substance is heated or cooled. The states that substances are solid, liquid and gas. A common example would be water: ice (solid), water (liquid), and steam (gas).
Is it a physical or chemical change when a substance changes form but it remains the same substance?
It is a physical change. In physical changes, the substance's physical properties change (such as shape or state), but the chemical composition remains 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?
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.
Is mothballs disappear over time a chemical change?
It is a Physical Change.
A change in a physical property of another substance is a one physical change chemical change physical property?
It is a change of a physical property - for example the variation of temperature.
The expansion of matter upon heating is an example of what change?
The expansion of matter upon heating is an example of a physical change. This is because the substance undergoes a change in form or appearance without forming a new substance.
How are a chemical and physical change different?
In a physical change, the substance is still the same substance after the change. But in a chemical change, the substance became another substance with different properties from the original substance.Physical change is changing the appearance of something. Example - Rip a piece of paper - physical change. Burn gasoline - chemical change.
Mothballs disappear over time is it a chemical change?
No, mothballs disappearing over time is a physical change, not a chemical change. The mothballs are still the same substance, just dispersed or evaporated into the air.
Is evaparation a physical or chemical change?
Physical. If water evaporates, it is still water. It does not change into a different substance. A Chemical change is when something changes into a different substance. For example, when wood is burned, it changes into a different substance(ash).
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
When a substance from any state of matter to another is called a?
This is called a change in the physical state of the substance. For example formation of ice from water is a change in the physical state of water.
What is change in a substance that does not involve a change in the identity?
Then the physical characteristic of a substance change, it is called a change in state. This most commonly occurs when a substance is heated or cooled. The states that substances are solid, liquid and gas. A common example would be water: ice (solid), water (liquid), and steam (gas).
Why are metal alloys an example of a physical change and not a chemical change?
They are a physical change because it is not like burning where a new substance is being formed.
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 =)
