Asample of oxygen gas is collected over water at 22°c and 98.67 kpa pressure. if the partial pressure of the water is 2.67 kpa, the partial pressure of the oxygen is?

Displacement is the slope of a velocity vs. time graph a. true b. false

How do dying stars contribute to the formation of planets

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