No, hard-boiling an egg is a chemical change. By cooking the egg you change its chemical composition.
Chemical change because you can't turn it back into a regular egg.
No It is a chemical change
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No
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it is a physical change because it would be hard to revers
Boiling is a physical change.
Boiling is a physical change.
Boiling an egg is and is not a chemical change, depending on how you are chemically defining the egg.Some chemicals inside the egg will undergo various chemical reactions, driven by the heat of the boiling. These reactions will involve the formation of new chemicals with new empirical formulas and the destruction of old ones.Other chemicals, particularly proteins, will undergo changes in their conformation or secondary and tertiary structures. While their empirical formulas will remain unchanged (or largely unchanged), the new structures may have different chemical properties than the old ones.The only way in which the egg does not undergo a chemical change is if you are referring to the empirical formula of the egg as a whole. No atoms leave or enter the egg, so the atomic composition of the egg remains unchanged.
Boiling point is a property, and the actual boiling itself is a physical property.
The egg actually turns solid inside, so that is a physical change. If the egg turned into a liquid or gas after boiling it then that would be considered "chemical change"
Chemical change.
Cooking is a chemical process.
it is a physical change because it would be hard to revers
The egg actually turns solid inside, so that is a physical change. If the egg turned into a liquid or gas after boiling it then that would be considered "chemical change"
Boiling is a physical change.
It is changing from a liquid to a solid so it is chemical change.
That's correct. Breaking an egge doesn't alter the chemistry of the egg, it just 'breaks' the shell. With a little imagination you could even be able to restore the egg, which isn't possible with a chemical change (such as boiling the egg).
Boiling is a physical change.
Boiling an egg is and is not a chemical change, depending on how you are chemically defining the egg.Some chemicals inside the egg will undergo various chemical reactions, driven by the heat of the boiling. These reactions will involve the formation of new chemicals with new empirical formulas and the destruction of old ones.Other chemicals, particularly proteins, will undergo changes in their conformation or secondary and tertiary structures. While their empirical formulas will remain unchanged (or largely unchanged), the new structures may have different chemical properties than the old ones.The only way in which the egg does not undergo a chemical change is if you are referring to the empirical formula of the egg as a whole. No atoms leave or enter the egg, so the atomic composition of the egg remains unchanged.
Boiling is a physical change.
When water boils, it is a physical change.