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Is gasoline that is dry but leaves an odor in a room a chemical change?
Yes, the gasoline evaporating and leaving an odor in a room is a physical change, not a chemical change. The gasoline is still the same substance, but in a different state (gas) and releasing volatile compounds that contribute to the smell.
Does gasoline undergo a physical change before it burns?
Yes, gasoline undergoes a physical change when it evaporates before it burns. This change does not alter the chemical composition of the gasoline.
Is separation of water and gasoline a physical change?
No, it is a physical change. The water and gasoline retain their chemical and physical properties.
Is combustion of gasoline a physical change?
No, combustion of gasoline is a chemical change because it involves a chemical reaction between the gasoline and oxygen to produce carbon dioxide, water, and heat. A physical change involves a change in the physical state or appearance of a substance without altering its chemical composition.
Is a burned gasoline in a engine a physical or chemical change?
Chemical change
Is gasoline burns in an engine a chemical or physical change?
Chemical 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 represents a chemical change because it involves a reaction with oxygen to produce heat, light, and new chemical compounds. On the other hand, the evaporation of gasoline represents a physical change as it involves the gasoline changing from a liquid to a gas without any change in its chemical composition.
When gasoline evaporates is that a physical carnage or chemical?
This is a physical change.
Is evaporated gasoline a chemical change?
No, it would be a physical change. During a chemical change, substance(s) are changed into different substances. An example of a chemical change would be the rusting of iron but a physical change would be freezing water; or in this case, evaporation.
Is burning gasoline a physical or chemical change?
Burnig things is always a chemical change.
Is gasoline's ability to burn a chemical or physical change?
Neither - but when it does burn it's a chemical change.
Is leaving strawberries out to mold a physical change?
This is a chemical change.
