How can density be used to describe objects in systems in nature? provide an example

What is bromine+calcium iodide--> calcium bromide +iodine balanced

Aresearcher wants to experiment with an element that reacts like phosphorus (p) but has a greater atomic mass. which element should the researcher select for the experiment?

Sulfuryl dichloride may be formed from the reaction of sulfur dioxide and chlorine. so2(g) + cl2(g) → so2cl2(g) substance: so2(g) cl2(g) so2cl2(g) δh°f (kj/mol) at 298 k –296.8 0 –364.0 δg°f (kj/mol) at 298 k –300.1 0 –320.0 s°(j/k • mol) at 298 k 248.2 223.0 311.9 what is δg°rxn for this reaction at 600 k?