Suppose you want to test if a sample compound is ionic.
You have these materials: the solid compound, a glass
container, a spoon, and a conductivity apparatus. What
material is missing from your list, and why is it
necessary?

Why is the melting of ice a physical change ?

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.

How many grams of sodium chloride are in 250ml of a 2.5m naci solution