What is heterogeneous? and an example. what is homogeneous? and an example. i just need those,

How would you reduce the volume of gas

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg