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How do the properties of substances formed in chemical changes compare to those of the original substances?
Substances formed in chemical changes have different physical and chemical properties compared to the original substances. This can include changes in color, odor, state of matter, melting/boiling points, and reactivity. The chemical composition of the new substances is also different from the original substances.
How can a compound and a mixture be broken down into their original substances?
A compound can be broken down into its original substances through a chemical reaction, such as decomposition or electrolysis. A mixture can be separated into its original substances through physical methods, such as filtration, distillation, or chromatography.
Because change the identity of the substances involved they are hard to reverse?
Chemical changes are hard to reverse because they involve the formation of new substances with different chemical properties than the original substances. This typically requires energy input or a specific reaction pathway to revert back to the original substances, making the process difficult to reverse.
What happens when you mix two substances?
You get a mixture.
Are substances that combine or change?
Substances that combine or change to form new substances go through a chemical reaction. In a chemical reaction, bonds between atoms are broken and new bonds are formed. This results in the creation of new substances with different properties than the original substances.
What is the original substances of a chemical change?
These substances are called reactants.
Can you get back burnt substances to their original state?
No, you can't get back burnt substances to their original state as combustion is an irreversible reaction.
How do the properties of substances formed in chemical changes compare to those of the original substances?
Substances formed in chemical changes have different physical and chemical properties compared to the original substances. This can include changes in color, odor, state of matter, melting/boiling points, and reactivity. The chemical composition of the new substances is also different from the original substances.
What do new compounds have from the original substances forming them?
New compounds formed from original substances have different chemical and physical properties compared to the starting materials. This is because the atoms in the original substances rearrange to form new chemical bonds with different structures and properties.
In a chemical change how is the new substance different from the original substances?
Because it changes the identity of the old substances
When substances combine to form a compound what happens to the original properties of the substances?
When substances combine and retain their own properties, the result is a mixture.
Which is easier to separate into its original substances a compound or a mixture?
a mixture
In a chemical change the original substance disappear?
In a chemical change, the original substances react to form new substances with different chemical properties. The original substances do not disappear but instead undergo a chemical reaction that rearranges their atoms to produce new substances. This transformation may involve changes in color, temperature, or the formation of bubbles and precipitates.
How can a compound and a mixture be broken down into their original substances?
A compound can be broken down into its original substances through a chemical reaction, such as decomposition or electrolysis. A mixture can be separated into its original substances through physical methods, such as filtration, distillation, or chromatography.
What are ozone depleting substances and how they work?
The ozone depleting substances are the ones that deplete the ozone. They work by decomposing the ozone into its original constituents.
Can substances that have undergone a physical change be changed back to their original state?
Yes
What is one of of the original substances before a chemical reaction takes place?
a reactant
