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Is the liquid propane in a barbecue evaporates away because the user left the valve open a chemical or physical change?
Wiki User
∙ 6y ago
It's a physical change. Chemically, it's still propane - but it's physically changed from a liquid to a gas.
Wiki User
∙ 6y ago
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Is burning coal for a barbecue a physical change?
No, it is a chemical change
Is the ability to dissolve in water a physical property or a chemical property?
Its A physical change. When you boil water under a stove, The water evaporates and the chemical stays in the..pan or whatever you put in it.
Is water evaporating from a puddle a chemical change?
Evaporation of a pudle is a physical change,
Is water evaporating from a lake a physical or chemical change?
Evaporation of water from a lake is a physicalchange.They are still water molecules whether in the state of liquid, solid or gas. There has been no chemical change.
Is icicles forming at the edge of a roof a chemical or physical change?
Physical. (Its still water.)
Is burning coal for a barbecue a physical change?
No, it is a chemical change
Is it physical or chemical when dry ice evaporates without melting as time passes?
It is a physical change because the composition of the dry ice didn't change; it just changed forms
Is mixing salt and water a chemical property?
It is neither chemical not is it a property. It is a physical change.
Is the ability to dissolve in water a physical property or a chemical property?
Its A physical change. When you boil water under a stove, The water evaporates and the chemical stays in the..pan or whatever you put in it.
Is water evaporating from a puddle a chemical change?
Evaporation of a pudle is a physical change,
Why is dencity a physical change?
Density is classified as a physical property because the density of a substance can change when the substance changes state. Example: When water evaporates it is a physical change and the density changes. A chemical property is a property that describes its ability to react chemically with other substances and THEREFORE density is not a chemical property.
Are dishes drying a chemical or physical change?
It's a physical change. The water on the plates evaporates to make water vapour, but it is still water, it hasn't changed chemically, it has just changed state from liquid to gas.
Is water evaporating from a lake a physical or chemical change?
Evaporation of water from a lake is a physicalchange.They are still water molecules whether in the state of liquid, solid or gas. There has been no chemical change.
Why is there no chemical equation to describe what happens when water evaporates?
That's because there is no chemical change. In most cases, there is no chemical change when a substance evaporates. The exception is very long molecules, which may break apart during evaporation.
Is Density is a property?
Density is classified as a physical property because the density of a substance can change when the substance changes state. Example: When water evaporates it is a physical change and the density changes. A chemical property is a property that describes its ability to react chemically with other substances and THEREFORE density is not a chemical property.YES.
is adding salt to water a chemical or physical change?
It is a physical change because only the phase of the salt actually changes - the two compounds do not react. The salt dissolves in the water, but if the water evaporates, the salt is left behind in its solid state.
Is a puddle drying up in the sun a chemical or physical change?
It is a physical change, because it is still H20 when it evaporates and turns into vapor.
