Aspecific steroid has λmax = 259 nm and molar absorptivity ε = 11,500 l mol–1 cm–1. what is the concentration of the compound in a solution whose absorbance at 259 nm is a = 0.065 with a sample pathlength of 1.00 cm?

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry

List four observations that indicate that a chemical reaction may be taking place