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Substance that cannot be changed into a simpler substance under normal laboratory conditions?
Wiki User
∙ 9y ago
Substance that cannot be changed into a simpler substance under normal laboratory conditions are elements. A physical blend of two or more substances that are not chemically combined is a mixture.
Wiki User
∙ 9y ago
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A is a substance that can make something happen faster but is not changed itself?
the answer is a catalyst
What is a substance that brings about reactions without being changed itself?
A catalyst
What is a short definition for chemical change?
A process in which the chemical makeup of a substance is changed.
What is the substance that helps a reaction but isn't chemically changed?
These substances are called catalysts.
During a chemical change the form of a substance is altered but not its identity true or false?
The statement is false: A chemical change of a substance is defined as a change in which the substance is not the same substance after the change as it was before.
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.
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 is a substance that cannot be changed into a simpler substance?
You think probable to an atom.
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.
Can the chemical properties of a substance only be observed when it is changed into different substance?
This affirmation is generally true.
What changed when the amount of a substance changed?
total thermal energy
How can density be changed without changing the make up of the substance?
reduce the volume of the substance by compression or increase the volume of the substance by decompression This assumes the substance is compressible, such as air. In the case of water, you can't.
What is a substance that is changed in a chemical reaction Called?
A substance that undergoes change in a chemical reaction is called a reactant.
What is the temperature of a substance that has changed from a liquid to a gas?
If all substances are at equilibrium, the temperature is the boiling point, at the prevailing pressure, of the substance that has changed from liquid to gas.
What substance is changed to a new substance?
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.
When a substance experiences sublimation it has changed from what?
solid to gas
