0
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
Add your answer:
Earn +20 pts
When ethyl alcohol evaporates is it a chemical or physical change?
When ethyl alcohol evaporates, it is a physical change because the chemical composition of the alcohol remains the same. Evaporation is a process in which a substance changes from a liquid state to a gaseous state without undergoing a chemical reaction.
Is burning coal for a barbecue physical or chemical change?
Burning coal for a barbecue is a chemical change because the coal undergoes a chemical reaction with oxygen in the air to produce heat and light, along with byproducts like carbon dioxide and ash.
Is burning coal for a barbecue a physical change?
Yes, burning coal for a barbecue is a chemical change. This is because the combustion process results in a chemical reaction where the coal combines with oxygen to produce heat, carbon dioxide, and other byproducts.
When alcohol evaporates is that a chemical or physical change?
The evaporation of alcohol is a physical change because only the physical state of the substance is changing from liquid to gas, while the chemical composition remains the same.
Is liquid propane in a gas grill evaporates a chemical or physical change?
The evaporation of liquid propane in a gas grill is a physical change. This is because the change in state from liquid to gas does not alter the chemical composition of the propane molecules.
Is burning coal for a barbecue a physical change?
Yes, burning coal for a barbecue is a chemical change. This is because the combustion process results in a chemical reaction where the coal combines with oxygen to produce heat, carbon dioxide, and other byproducts.
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?
No, mixing salt and water is a physical change rather than a chemical property. When salt dissolves in water, the salt retains its chemical identity as it is just surrounded by the water molecules.
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?
The evaporation of water from a puddle in the sun is a physical change, as only the state of the water is changing from liquid to gas without any new substances being formed.
