What is the iupac name of ch3ch2ch2ch2ch2ch3

A__ is two or more substances that are together in the same place but are not chemically combined

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

Compare and contrast physical changes with chemical changes.