2CrO₄²⁻(aq) + 2H⁺(aq) ⇄ Cr₂O₇²⁻(aq) + H₂O(l)

Based on its chemical properties, identify the position of each chemical family on the periodic table.

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

What volume does 1.70 ×10–3 mol of chlorine gas occupy if its temperature is 20.2 °c and its pressure is 795 mm hg?