Which of the following would you predict to have a positive value for δs?
a. agcl(s) → ag+(aq) + cl-(aq)
b. h2o(g) → h2o(l)
c. 2 na(s) + cl2(g) → 2nacl(s)
d. 2 na(s) + cl2(g) → 2nacl(s)

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.

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