A 50.0 g sample of liquid water at 0.0 c freezes and cools form ice at - 20.0 c how much energy is involved in this change

How many atoms are there in 5.70 mol of mg

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 is the oxidation state of an individual bromine atom in nabro3?