Which of the following is not soluble in water?

a) nacl
b) kbr
c) ch3ch2oh
d) hcl
e) c6h6

how is this determined?

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

Which statement describes james chadwick’s discovery.

How many moles of al3+ ions are in 1.25 moles of al2o3