Matter made of two or more types of atoms combined chemically

Matter made of two or more atoms is called a compound. Compounds are chemically combined elements, for example a compound of oxygen o^2/o^3 are not compounds of oxygen but instead a different form of the same element. Carbon monoxide has one oxygen atom per atom of carbon and is a new and separate compound.

The particles of the gas inside the ball heats up, bouncing off each other and spreading farther apart.hope my answer has you : )

Make them both to where they have the denominator of 18that makes 3/2 equal 27/18 and 1/9 equal 2/18so now you have  27/18x+5=2/18subtract 5 from the other sideso now you have 27/18x+2/18-5then subtract 2/18 from 27/18 to get 25/18x=-5then divide 25/18 by -5 and your answer will be  -5/18