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Process that does not change the identity of a substance?
A physical process does not change the chemical identity of a substance. Examples include changing the state of matter (like melting or freezing), dissolving, or distillation.
What is the term for a process that does not change the identity of a substance?
Many physical changes will not alter the identity. However, some physical changes, such as heating or cooling will result in phase changes and so the identity will be different. While ice and water are chemically the same, they are not identical forms of the substance.
During physical changes what does matter always retain?
During physical changes, matter always retains its chemical composition, which means the atoms and molecules in the substance remain the same before and after the change. This is because physical changes involve rearranging molecules or changing the state of matter without altering the fundamental identity of the substance.
Physical properties are altered but the substance remains the same kind of matter?
Physical properties are characteristics that can be observed or measured without changing the composition of the substance. When physical properties are altered, such as when a substance changes state (solid to liquid), the basic chemical composition remains the same, indicating that it is still the same kind of matter.
What happens to matter when it undergoes a physical and chemical change?
A chemical change cant be undone and a new substance, so in other words you cant reverse the effects and in the end you get ashes. An example of a chemical change would be burning paper and getting ashes. A physical change can be undone. An example of a physical change would be bending the paper because you can still get the paper back and no new substance is created.
A change in matter where its identity does not change?
a physical change
Change in matter where its identity does not change?
A change of phase doesn't change the chemical composition of a substance.
In a chemical change the identity of matter does not change?
No, the chemical nature of the reactants is changed.
What is a change in matter where its identity does not change?
A physical change is a change in matter where its identity remains the same. Examples include changes in state (solid to liquid), size (cutting a piece of paper), or shape (bending a metal rod).
A characteristic of matter that is exhibited without a change in identity?
the volume or mass of the matter. it can change states such as solid liquid or gas, which would be deemed to be the same chemical identity, but a different state of matter
Why are changes difficult to reverse?
because they change the identity of the matter
What is a characteristic of of matter that is exhibited without a change in identity?
Physical property
In an change matter chanes in size shape or state without changing identity?
Physical change.
Physical Change?
Changes of the matter that do not change the composition of the substance.
What of the following involves a change in the identity of the matter undergoing change?
A change in the identity of the matter undergoing change involves a chemical change. During a chemical change, the substances involved undergo a transformation that results in new substances with different properties. Examples include reactions such as rusting of iron or combustion of wood, where the original materials are fundamentally altered. In contrast, physical changes do not alter the chemical identity of the substance.
How can you tell if a change in matter is a physical change?
Any change in matter that is does not require the identity of the matter to change is physical. Things like sizzling, popping, effervescence, etc. are physical change. Something to keep in mind though: Anything that burns is undergoing chemical change, no matter what. Any combustion is chemical.
Process that does not change the identity of a substance?
A physical process does not change the chemical identity of a substance. Examples include changing the state of matter (like melting or freezing), dissolving, or distillation.
