This artwork took six colors to complete. Initially, the chalk used had a mass of 323.5 grams but upon completion, it's mass had dropped to 301.2 grams. What is the change in mass?

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

Choose the correct statement about licensed veterinarians in the united states. a. they must be certified by the avma. b. they can treat all nonhuman animals. c. they can can treat only animals specified on the license. d. they must choose a specialty.

Which statement is actually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.