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What is the law that states that mass is neither created nor destroyed during chemical reactions or physical changes?
Wiki User
∙ 12y ago
The law of conservation of matter states that matter cannot be created or destroyed in an ordinary chemical reaction.
Wiki User
∙ 11y ago
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How else are nuclear reactions unlike chemical reactions?
In nuclear reactions the atom itself changes while molecules and/or structural organisation of atoms do in chemical and physical changes.
What are physical and chemical changes from a to z?
All physical and chemical reactions , see text book from A to z .
Are physical changes chemical reactions?
No, physical changes normally refer to changes other than chemical reactions. If you have a loaf of bread and cut it in half, that is a physical change but not a chemical change. If you eat the bread and digest it, that is a chemical change.
Is electricity seperateing water into h2 and o2 a physical or chemical change?
This is a chemical change. Chemical reactions are chemical changes.
Is a sunburn a chemical or physical change?
Sunburns are chemical changes because DNA is damaged by the ultraviolet light.
Can chemical and physical changes be called chemical and physical reactions?
yes it can be called physical and chemical reaction
What reaction is in antacids chemical or physical?
Chemical reactions are of course chemical changes.
How else are nuclear reactions unlike chemical reactions?
In nuclear reactions the atom itself changes while molecules and/or structural organisation of atoms do in chemical and physical changes.
What chemical reactions are reversible?
All physical changes are reversible.
What are physical and chemical changes from a to z?
All physical and chemical reactions , see text book from A to z .
Is bleaching a sheet and pillowcase a chemical change or physical change?
These are chemical reactions (changes).
Are physical changes chemical reactions?
No, physical changes normally refer to changes other than chemical reactions. If you have a loaf of bread and cut it in half, that is a physical change but not a chemical change. If you eat the bread and digest it, that is a chemical change.
Is the reaction reversible?
chemical reactions are irreversible but physical changes are reversible
What are examples of chemical reaction?
Reactions that are not chemical reactions are physical reactions. These reactions involve a change in only the physical state of an element, not its chemical properties. Thus, physical changes include freezing, condensation, sublimation, hammering a metal into a sheet, cutting sodium metal, etc.
Can a physical change become a chemical change?
A lot of chemical reactions are initiated by physical changes - specifically, heating something.
Is the reaction between aluminum and copper chloride a physical or chemical change?
All chemical reactions are chemical changes.
What happens with the sulfuric acid and is it a chemical change or physical change?
The chemical reactions of sulfuric acid are chemical changes.
