Which of the following could serve as an intiator for an anionic chain polymerization (a) AlCl3-H2O
(b) BF3-H2O
(c) butyllithium
(d) sodium metal

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

50 points! need answer asap. what type of organic compound contains the following functional group? (2 points)

Which of the following describes qualitative data? a) recording the temperature of a solid as it is warmed. b) noting the color of a solution as it is heated. c) measuring the volume of an object by water displacement. d) taking the mass of an object using a balance.