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Any substance can be changed to a new one.
Answ2. The above is wrong. Lead for example cannot be changed into nitrogen.
If some of the nucleus of an atom can have a proton or neutron, added or subtracted, then an isotope can be created, though generally an isotope of the same element.
Consider the decay of K40 into Ar40. This is a change of one substance into another.
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When two substances react chemically to produce a new substance what is TRUE of the mass of the two substances compared to the mass of the new substance?
Same. Mass is not changed.
What can be observed only when a substance is changed to another substance?
We can observe the relise of force when a substance is canged into another 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 forms a new substance?
Chemical change forms a new substance from another substance.
If you are burning coal be a physical or chemical change?
chemical. A chemical change is a change where a substance is changed and a new substance is formed. in the case of coal when the solid carbon in the coal combines with the oxygen in the air carbon dioxide (CO2) is formed.
What does a substance changed into when chemical change take place?
The reactants are changed in products having new chemical composition.
What type of change occurs when a substance is completely changed into a new substances?
chemical
When two substances react chemically to produce a new substance what is TRUE of the mass of the two substances compared to the mass of the new substance?
Same. Mass is not changed.
What is a chemical change said in one sentence?
Any instance in which the chemical formula of a given substance is changed, resulting in the formation of a new substance.
What occurs when elements and compounds interact to produce a new substance with new properties?
This is a chemical reaction; the composition of reactants is changed.
What alters a substance into another?
Heat can alter a substance into another substance. Such as when you bake a cake the batter is changed into a cake and can not be changed back.
Is a broken glass a chemical change?
Physical change because the molecules have not changed to form a new substance.
What is a chemical porperty?
I chemical property is a characteristic of a substance that is determined when the changed and one or more new substances are produced
When an object has changed shape state and volume and density and no new substance is formed what type of change is it?
This is a physical change.
What changed when the amount of a substance changed?
total thermal energy
What can be observed only when a substance is changed to another substance?
We can observe the relise of force when a substance is canged into another substance.
What is a substance that cannot be changed into a simpler substance?
You think probable to an atom.
