Which of the following is true about phase changes? Evaporation occurs when a solid changes into a gas. Condensation occurs when a gas changes into a liquid. Sublimation occurs when a solid changes to a liquid. If energy is removed from a liquid it will change into a gas.

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