4Cuo - 2Cu, O + O, AH = 288 kJ
CU, O - Cu + Cuo AH = 11 kJ
Find the H for the reaction:
2Cu + O2 - 2Cuo

Jewelweed, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. these structures are favorable because they a. can cause genetic changes to occur. b. prevent germination within the seed pod. c. aid in the dispersal of the species. d. attract insects that aid in pollination.

Motivation cannot be developed with practice; a person either possesses it or they do not.

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol