formulae of tearing gas.
It is a physical change because the chemical composition has not changed.
It is HNO3, if it is the chemical composition that you need. It is a gas caused by burning nitrous oxide. It is very harmful to the human body.
Co + h2
What is the chemical composition of kf reagent
Phosphorus is one of the chemical elements and therefore has no "chemical composition" in the usual sense.
Yes.
puke and titi
puke and titi
nitrous oxcide. or NO2 aka laughing gas.
It is a physical change because the chemical composition has not changed.
It is HNO3, if it is the chemical composition that you need. It is a gas caused by burning nitrous oxide. It is very harmful to the human body.
chemical change = chemical reaction. ( the composition of matter always changes). In a chemical change the matter in one thing changes, for example you will know a chemical change has occurred when the color or odor has changes or when a new gas is given off.
Co + h2
the mass of the property does not change
Water as a liquid and water as a gas (vapors) have the same chemical composition.
You think probable to a chemical compound.A chemical compound may be a gas (CH4), a liquid H2O) or a solid (U3O8).