Will any of the following complexes have optical isomers?

check all that apply.

cis-[co(nh3)4(h2o)2](no3)2
na2[ru(h2o)cl5]
trans-nh4[co(c2o4)2(h2o)2]
cis-[ru(en)2cl2]
none of the complexes has optical isomers.

Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.