If all samples of glass exhibit neutral buoyancy when placed in the same amount of bromobenzene and bromoform, what can be said about the densities of the samples
of glass?

Can someone me with questions 15 to 17 plz.

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.