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physical
Apollo Mitchell
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Is hard boiling an egg physical or chemical?
Hard boiling an egg involves a physical change. The heat causes the proteins in the egg white and yolk to denature and coagulate, resulting in a solid structure, but the chemical composition of the egg remains the same.
Is sanding wood is a physical or chmical change and why?
Sanding wood is a physical change because it does not change the composition of the wood itself. Sanding simply removes material from the surface of the wood, altering its physical appearance without creating new substances.
Is hammering wood together to build a playhouse a chemical change or a physical change?
Hammering wood together to build a playhouse is a physical change. The wood is still wood, but its form and structure are being altered by the physical force of hammering. No new substances are being formed in this process.
Is cooking a physical or chemical change?
Cooking involve chemical reactions.
Is the setting of concrete a physical or chemical change?
It's a physical change.It's a chemical change. The concrete hardens through a chemical reaction called hydration :)Its a physical change. The Chemical change already happened when the water was added. The concrete powder became hydrated turning it into usable concrete.
Is a given change a chemical or a physical change?
It depends. Physical can be easily reversed. Chemical is hard, if not impossible to reverse.
When water and concrete mix are combined the material becomes warm and a hard solid forms so Is this a physical change or a chemical change?
This is a chemical process: a hydration reaction occur.
Are physical and chemical change different?
Physical change does not produce a new substance. Chemical change produces a new substanceIn a chemical change the atoms/molecules are chemically joined together so they are very hard to separate. were as they are easyer to separate in a physical change
Boiling an egg is a chemical or physical change?
Boiling an egg is a physical change because it involves a change in the state of matter from liquid to solid without altering the chemical composition of the egg. The proteins in the egg white denature and become solid during the boiling process.
Is melting butter a physical change or chemical change?
As you may know, determining whether a change is chemical or physical can sometimes be a real pain! This particular change is a hard one. If your talking about butter slightly melting on a hot day because it was left out on the counter, THAT is a physical change and is reversible by simply putting the butter into the fridge. However, melting butter on the stove and having it completely turn to liquid and turn a little brown, THAT is a chemical change and is hard to reverse... a chemical change has occurred while the butter was over the heat.
What is the difference between physical and chemical changes of matter?
Physical changes involve alterations in the physical state or appearance of a substance without changing its chemical composition, such as melting, freezing, or tearing. Chemical changes, on the other hand, involve the formation of new substances with different chemical compositions, like burning wood to form ash and smoke.
Is sanding wood is a physical or chmical change and why?
Sanding wood is a physical change because it does not change the composition of the wood itself. Sanding simply removes material from the surface of the wood, altering its physical appearance without creating new substances.
Is hard boiling an egg physical or chemical?
Hard boiling an egg involves a physical change. The heat causes the proteins in the egg white and yolk to denature and coagulate, resulting in a solid structure, but the chemical composition of the egg remains the same.
Is a boiling egg a physical change?
No, hard-boiling an egg is a chemical change. By cooking the egg you change its chemical composition.
Is hammering wood together to build a playhouse a chemical change or a physical change?
Hammering wood together to build a playhouse is a physical change. The wood is still wood, but its form and structure are being altered by the physical force of hammering. No new substances are being formed in this process.
Is hard water staining pipes a physical change?
Formation of these salts is a chemical process.
Is butter turning hard when cooled a physical change?
Yes, whenever a substance changes its physical form without changing the chemical composition, it is considered a physical change. In this case, liquid butter turning hard does not become a different substance, so it is a physical change.
