Which energy change occurs during boiling? a. some heat energy of the substance is lost. b. heat energy of the substance remains the same. c. most heat energy of the substance is lost. d. heat energy is absorbed by the substance.

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 common name for the compound shown here? enter the common name of the compound shown?

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa