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How could you change a molecule of water and make it a completely different substance?
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When a substance change into a different substance a change has occurred?
Chemical Change.
Why is heating table sugar until its caramel a chemical change?
It is a chemical change because table sugar is a pure substance that changed into completely different substances (caramel).
A chemical change differs from a physical change because in a chemical change a substance?
A chemical transformation change the structure of the molecule but a physical transformation not.
Is evaparation a physical or chemical change?
Physical. If water evaporates, it is still water. It does not change into a different substance. A Chemical change is when something changes into a different substance. For example, when wood is burned, it changes into a different substance(ash).
Does a physical change mean that something has matured or grown up?
A physical change doesn't involve the molecule composition of a substance.
What type of change occurs when a substance a completely change into a new substance?
Chemical change
What type of change occurs when a substance is completely changes into a new substance?
chemical change
How do you know that fire is producing a chemical change?
When fire is produce the substance is burned and the obtained substance is having property completely different from previous one.
Why is rust forming on a nail not a pysical change?
It is not a physical change because rust is no longer iron, but is iron oxide, a completely different substance.
What happends to an atom in a chemical reaction?
The substance(s) change from one thing into something completely different, and the new substance can not seperate back into the initial substances
When a substance change into a different substance a change has occurred?
Chemical Change.
What is a change in substance in an entirely different substance?
chemical change
Is a change that produces a new substance is a chemical change?
False. This is a chemical change. A physical change is, for example, when Ice melts into water. It is the same element but it is in a different form. A chemical change is, for example, when two hydrogen atoms and an oxygen atom come together to form a water molecule, thereby producing a new substance.
What change occurs when a substance changes into a different substance?
Chemical Change
When a substance changes into a different substance a change what has occurred?
Chemical change.
When a substance changes into a different substance a what change has occurred.?
Chemical change.
. When a substance changes into a different substance a change has occurred.?
Chemical Change.
