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Is melting crayons a physical property?
Melting crayons is a physical change, not a physical property. A physical property is a characteristic of a substance that can be observed without changing the substance's identity, while a physical change is a change in the substance's appearance without changing its chemical composition.
Can the chemical properties of a substance be observed without changing the substance?
physical properties
17 Explain how color can be classified as both a physical property and as one indication of a chemical change?
Color can be classified as a physical property because it can be observed without changing the chemical composition of a substance. However, color change can also indicate a chemical change when it is a result of a reaction that alters the molecular structure of the substance, leading to a new chemical identity. In this case, the color change is a visual representation of the chemical transformation that has occurred.
Is sugar changing to alcohol a physical or chemical change?
Anything changing to a substance with a different identity is undergoing a chemical change.
Is boiling does that changes as a physical or chemical?
Boiling is a physical change because the substance is changing from a liquid to a gas without changing its chemical composition.
How does matter change without changing it's identity?
Matter can undergo physical changes without changing its identity. Physical changes include melting or freezing; evaporating or condensing; changing shape; chopping or grinding into smaller pieces.
Which of these can vary without changing the identity of an element number?
The mass number can vary without changing the identity of an element, as it represents the number of protons and neutrons in the nucleus. Conversely, changing the number of protons would change the identity of the element, as it defines the element's atomic number.
What is a change in the object without changing the object's identity?
This is the easiest question I have ever heard of. It's obviously state change!!?
What is a property of matter that can be observed and measured without changing the matters identity?
One property of matter that can be observed and measured without changing the matter's identity is its mass. Mass is a measure of the amount of matter in an object and can be determined through various methods like weighing.
Is melting crayons a physical property?
Melting crayons is a physical change, not a physical property. A physical property is a characteristic of a substance that can be observed without changing the substance's identity, while a physical change is a change in the substance's appearance without changing its chemical composition.
Is changing direction really the same as changing speed?
No. It is possible to change direction without changing speed. However, it is not possible to change direction without changing velocity.
What are 5 factors that are responisiblw for emvormental change?
global warming earth chanes
How do the area and perimeter of the area of a figure change when it's dimensions change?
The answer depends entirely on how the dimensions change. It is possible to change the dimensions without changing the perimeter. It is also possible to change the dimensions without changing the area. (And it is possible to change the area without changing the perimeter.)
What is the difference between physical change ands physical property?
A physical property is any characteristic of a material that can be observed or/and measured without changing the identity.A physical change is the change in which the properties of a substance change but the identity always stays the same.
What is A change in the matter that does not change its identity?
A physical change does not change the identity of matter.
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.
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.
