An unknown compound has the following chemical formula: PC1x where x stands for a whole number.
Measurements also show that a certain sample of the unknown compound contains 8.0 mol of chlorine and 2.7 mol of phosphorus.
Write the complete chemical formula for the unknown compound.

List four observations that indicate that a chemical reaction may be taking place

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

What will most likely happen when two bromine atoms bond together?