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For example the transformation of liquid water in vapors (vaporization).
Mossie Auer
Wiki User
∙ 13y agoThere are two types or changes which are generally seen, a physical change and a chemical change.
Physical changes are changes brought about in the physical properties of an object or a substance. Physical properties comprise size or dimensions (length, width and height), shape, temperature, state (solid, liquid or gaseous), weight, volume, mass, etc.
For example, common salt (or Sodium Chloride) will remain sodium chloride irrespective of whether it's hot or it's cold, it's grains have been molded into cubes or it's in a fine powdery state. So, it means that any change that does not affect chemical composition and/or chemical behavior of a substance or an object is a physical change.
All the above mentioned properties are such that they do not affect the chemical behavior of substances.
Another example, water (H2O) will be H2O when it's solid (Ice) or liquid (water) or steam (gaseous), whether it's hot or cold etc.
In effect, any change in an object or substance that does not alter it's chemical nature is said to be a physical change.
Gusto
Phase Changing
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Which equation represents a physical change?
Burning coal is a chemical reaction, a chemical change; but the solid reactant is transformed in gaseous products (H2O and CO2) - this is a physical change.
Is using a dehumidifier for moisture a chemical or physical change?
No. It is a physical change.
Is curling hair with hair rollers a chemical or physical change?
Physical change
How are physical properties differ from physical changes?
A physical change would be a change in a physical property. A "physical property", by itself, may or may not change.
Does not change a substances identity physical or chemical change?
It is a physical change.
Consider the burning of gasoline and the evaporation of gasoline which process represents a chemical change and which represents a physical change?
The burning of gasoline is a chemical change. The evaporation of gasoline is a physical change. This is a physical change because it is a change in state of matter (from liquid to gas).
What represents a physical change apex?
Phase changing - Apex
Is breaded toast a physical or chemical change?
Toasting bread represents a chemical change.
Is tearing a paper a chemical or a physical change?
Tearing paper represents a physical and not a chemical change. Chemical bonds are not broken in this instance, but paper is physically separated (by force) from other paper.
Is aluminume foil cut in half chemical or physical?
Foil cut into pieces represents a physical change.
Is corrosiveness a physical change or a chemical change?
Corrosion represents a CHEMICAL change.
Is a spoiled pear a physical or chemical change?
Spoiled food of any kind represents a CHEMICAL change.
Is the color change experienced by the statue of liberty a physical or a chemical change?
i m pretty sure a colour change represents a Chemical change
What best represents a physical change?
For example the transformation of liquid water in vapors (vaporization).
Is slicing turkey a physical or a chemical?
Slicing turkey represents a physical change, not a chemical change. The chemical composition of the sliced turkey is identical to the chemical composition of the intact turkey. Only a physical change has taken place.
Do freezing forms a new substance?
No. Freezing represents a physical change from the liquid to the solid state. The composition of the substance does not change.
Is evaporation a chemical or physical reaction?
Evaporation represents the uptake of energy by the liquid that results in a physical change. (phase or state of matter)
