amirasaleh1012
18.02.2020 •
Chemistry
The physicals properties of a substance can be used to identify the substance, because. Select all that apply.
1. at any given location, the physical properties of a substance do not change
2. when the substances are chemically reacted the physical properties remain the same
3. each substance has a unique set of physical properties
4. no two substances have any of the same properties
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Ответ:
1. at any given location, the physical properties of a substance do not change.
2. Each substance has a unique set of physical properties
Explanation:
The physical property of a substance is a feature of a substance that can be noticed or measured without changing the key identity of the substance. Physical properties include density, hardness, melting point, colour etc...
Ответ:
1. at any given location, the physical properties of a substance do not change
3. each substance has a unique set of physical properties
Explanation:
1. The physical properties of a substance do not change provided that the physical conditions in the niche environment remain same.
3. Every substance on Earth has a unique set and arrangement of atoms and molecules that give them their own unique properties.
Ответ:
y=x
Step-by-step explanation:
When the pentagon is reflected across y=x, all of its points are placed equally distant from the diagonal on one side as they are from the other. This causes the figure to turn 90 degrees instead of flipping like in any of the other reflections. Hope this helps!