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total thermal energy
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∙ 13y agoNo.
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What tells how quickly the amount changes per unit of time?
substance
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.
Is weight the amount of substance in something?
No. "Amount of substance" sounds more like a description of MASS, which is not the same as WEIGHT. The relationship is:weight = mass x gravity ("Amount of substance" may also refer to the amount of moles.)
When 1 kg of a substance changes from solid to liquid at its melting point it must absorb an amount of heat equal to which of the following?
It must absorb heat equivalent to its specific latent heat (Kilojoules per kilogram).
What is the temperature called at which a substance changes from a solid to a liquid?
It is the melting point of the substance.
What changes if the degree (amount) of intermolecular bonds of a substance are changed?
density of a substance and volume of a substance
What tells how quickly the amount changes per unit of time?
substance
What properties of a substance does not change when the amount of the substance changes 1 mass 2 volume 3 temperature?
temperature
Where would a person have the least amount of mass at sea level or the moon?
Neither. Mass, is your total amount of substance, mass never changes.
What changes when substance changes?
When a substance changes, any or all of its properties can also change.
When a substance changes from a liquid to a gas energy is . When a substance changes from a gas to a liquid energy is .?
When a substance changes from a liquid to a gas energy is absorbed. When a substance changes from a gas to a liquid energy is released.
Physical changes in a substance results in?
Physical changes in a substance result in
When a substance changes into a different substance a changes has occurred?
Chemical Change.
What properties changes when substance changes?
When a substance changes, any or all of its properties can also change.
When a substance changes state what happens to its thermal energy?
Changes the temperature of the substance
What kind of changes in substance are always physical changes?
each substance has a density that differ from the densities of other substance.
What are the two type of changes?
The two types of physical properties are intensive and extensive. Intensive properties do not depend on the amount of a substance. An example of an intensive property is density. Extensive properties do depend on the amount of a substance. An example of an extensive property is mass.
