If you burn Lithium Nitrate (LiNO3), Strontium Nitrate (Sr(NO3)2), and Strontium Chloride (SrCl2):

Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2al(s)+3cl2(g)→2alcl3(s) what is the maximum mass of aluminum chloride that can be formed when reacting 32.0 g of aluminum with 37.0 g of chlorine? express your answer to three significant figures and include the appropriate units.

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

An observation that requires measurement is called quantitative observable or qualitative