How is a pure substance different from a mixture? a. mixtures can be seperated by physical means. b. pure substances are made up of mixtures. c. a pure substance is heterogeneous. d. a mixture is made of one substance.

What is the number of moles in 15.0 g ash3?

Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s)

Using the periodic table, complete the table to describe each atom. type in your answers