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What describes how much energy is produced or used during a chemical change?
Wiki User
∙ 10y ago
The enthalpy of reaction
Wiki User
∙ 7y ago
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Is Gas produced from a reaction is a phase change and not a chemical change.?
A gas released during a chemical reaction is a chemical change.
What is a characteristic that best describes what happens during a physical change?
There are no chemical changes.
What is one kind of energy produced during a chemical change in matter?
For example thermal energy.
What undergo no chemical change during a chemical change?
Catalysts doesn't undergo a chemical change during a chemical reaction.
Can a substance produced during a physical change easily change back?
Yes. Chemical changes are irreversible, but physical changes can easily be changed back
What undergoes no chemical change during a chemical reaction?
A catalyst undergoes no chemical change during a chemical reaction.
What gets rearranged during a chemical change?
atoms, are rearranged during a chemical change.
What happens to chemical change during a chemical change?
when a chemical change occurs, chemical bonds are broken up
What are used to show the changes that take place during a chemical reaction?
Color change Precipitate (cloudy) Bubbles - gas is produced.
What is often produced during a chemical reaction?
If the reaction is exothermic then heat is produced.
Undergo no chemical change during a chemical reaction?
A catalyst doesn't undergo a chemical change during a chemical reaction.
Can new compounds form during a physical change?
no because in a physical change it does not change the chemical make up, however, it does during a chemical change
