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Those are chemical reactions.
The same elements as are in you.
Substances are changed only after the beginning of a chemical reaction.
No. Enzymes are not permanently changed in the chemical reactions in which they are involved. After the reaction, they regain their original shape and are free to catalyze another of the same reaction.
No, enzymes are not permanently changed in the chemical reactions they are involved in. Enzymes are catalysts that facilitate chemical reactions by lowering the activation energy, and they remain unchanged after the reaction takes place. They can be used repeatedly in multiple reactions.
Their characteristic properties also change.
dont know but i tested it out and it bubbles and fizzing happens.
Yes, a chemical change produces new chemicals with properties different from those of the original
Of course, for example, Potassium Manganate(VII), KMnO4 are usually kept in a black container, because it will oxidize easily when it expose to sunlight. Different chemical store in different kind of container depend on the chemical properties of the chemical. With many chemicals it is illegal to store the chemical unless it is in its original container and has the paperwork with the container.
Yes, it is possible to add a chemical to ink and create a new chemical, depending on the chemical reactions and reactions involved. By introducing new chemicals or modifying existing ones, it is possible to create new ink formulations with different properties, such as improved stability, color intensity, drying time, or other desired characteristics. However, creating a completely new chemical compound would typically require more extensive chemical synthesis processes beyond simply adding chemicals to ink.
The hard boiled egg is a chemical change because it can't be reversed. For example the egg cant't be turned back to its original for, therefore it has been changed into a new substance.
Substances that undergo chemical change are called reactants.