If 15.60 g of a hydrated compound is heated in an oven for several hours, its mass drops to 8.63 g. assuming that the reduction in mass is due to loss of water, what is the percentage of water in the original hydrate?

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

Name the intersection of plane bpq and plane cpq.

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d