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That is a physical change - at least the pump is (air in, air out, with no chemical change). The energy required to run the pump probably will come from a chemical reaction though: an electric generator burning fuel to run the generator or food being digested and converted to energy in the muscles if it is a person powering it
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Is humidifiers putting moisture into the air a physical or chemical change?
It is physical
Is a firework cracking a physical or chemical change?
It is a chemical change as it releases gases into the air.
Is boiling of liquid air a physical or chemical change?
Physical
Is a brass candlestick tarnishing in the air physical change?
Chemical
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Boiling and evaporation are physical changes.
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Physical
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It is a chemical change.
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It’s a physical change 😑
Is humidifiers putting moisture into the air a physical or chemical change?
It is physical
Is heating the air in a balloon a chemical change or a physical change?
Physical.
Is a firework cracking a physical or chemical change?
It is a chemical change as it releases gases into the air.
Is Water vapor in the air an example of a physical or chemical change?
Physical change
Is boiling of liquid air a physical or chemical change?
Physical
Are filtering air to remove dust and pollen a physical and chemical change?
Chemical change
Is expansion of air chemical change?
No. "Chemical change" means that the bonds between atoms are rearranged.
Is Catching Fire in air a physical or chemical change?
Penis
What is air expansion apparatus?
is air expantion a chemical or physical change?
