PLEASE HELP I WILL MARK YOU BRAINLIEST !! If you react 4.25 moles of FeCl2, how many moles of Cl2 did you also react?

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg