(chemistry) separation of a substance into two or more substances that may differ from each other and from the original substance

the strength of a solution; number of molecules of a substance in a given volume

the strength of a solution; number of molecules of a substance in a given volume

the strength of a solution; number of molecules of a substance in a given volume

the strength of a solution; number of molecules of a substance in a given volume

the strength of a solution; number of molecules of a substance in a given volume

a system that keeps air cool and dry

a system that keeps air cool and dry

a system that keeps air cool and dry

additional proof that something that was believed (some fact or hypothesis or theory) is correct