Q:
Is cooking a physical or chemical change?
A:
Quick Answer
Cooking can be both a physical and chemical change. For example, mashing up potatoes is a physical change, but baking a cake is a chemical change.
Continue ReadingFull Answer
A physical change is when only the physical characteristics are changed and the substance still remains what it was before the change. Ripping paper, mashing potatoes or freezing water are examples of physical changes because the substances are still paper, potatoes and water after. Chemical changes are when a new substance forms after the change occurs. Baking dough into bread, cooking eggs and burning a steak all produce new substances after the change occurs.
Learn more about ChemistryRelated Questions
-
Q:
Is rusting a chemical change?
A: The formation of rust represents a chemical change. When a chemical change occurs, the substance or substances present at the beginning are no longer prese... Full Answer >Filed Under: -
Q:
In chemistry what is "delta H"?
A: In chemistry "delta H" is the change in enthalpy of a system. Change in enthalpy is measured as the sum of the change in internal energy of a system plus t... Full Answer >Filed Under: -
Q:
How are physical and chemical properties similar and different?
A: Physical properties are those that can be seen or used without changing their physical properties or identities, while chemical properties are those that c... Full Answer >Filed Under: -
Q:
What is the definition and some of the common causes of chemical change?
A: Chemical change is a change in a substance that transforms it into a different substance. Chemical change is distinct from physical change, which is a chan... Full Answer >Filed Under:
