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What causes a shape of an object to change without causing a chemical change?
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Is acid burning a hole in clothing a physical or chemical change?
I think it is a chemical change, as burning is a chemical change.
What would happen if there wasn't enough activation energy in a chemical change?
If the activation energy for a particular chemical reaction was not available the reaction cannot proceed. The chemical reaction cannot proceed without activation energy and cannot form products.
Is sodium and potassium react violently with water a chemical change?
Sodium and potassium reacting violently with water is a chemical reaction, causing a chemical change.
Why do chemical reactions always involve a change in energy?
Chemical bonds always break in chemical reactions, causing changes in energy.
Is extraction a physical or chemical change?
No. A physical change is a change that does not change the chemical composition of a substance, while a chemical change does change the chemical composition of a substance.
What causes the shape of an object to change with out causing a chemical change?
For example a mechanical deformation which not imply a chemical reaction.
The breaking up of rocks of the earth without causing a change in their chemical composition is?
chemical weathering
What is mechanical change?
is a change that you cant see
How a physical property such as mass or texture can change without causing a change in substance?
These physical changes doesn't influence the chemical formula of the substance.
How a physical property such as mass or texture can change without causing a change in a substances?
These physical changes doesn't influence the chemical formula of the substance.
Is acid burning a hole in clothing a physical or chemical change?
I think it is a chemical change, as burning is a chemical change.
What causes rock on earth to change?
weathering from mechanical and chemical means the process is causing the rocks to become smaller and smaller each time :)
A chemical reaction causes a chemical change true or false?
It is true that a chemical reaction causes a chemical change. An example of this can be seen by adding baking soda to vinegar.
When you boil water are you causing a chemical or physical change?
it's a physical change!
When you boil water are you causing a chemical change or physical?
it's a physical change!
What causes molecular change?
a chemical reaction
Why is churning a chemical change?
Souring milk causes a chemical change because it changes its state of matter (from a liquid to a semi-solid), and it grows bacteria. When milk sours it causes a permanent change, therefore making it a chemical change.
