Give the systematic names of these compounds. spelling counts! (a) cui(s) (b) fe2o3(s) (c) cof2(s) (d) feo(s)

The answer for #3 is c but i don't know why

Use the gizmo to find the concentration of the mystery ch3cooh. use the titrant and indicator shown below perform the titration. what is the titrant volume? titrant analyte indicator titrant volume analyte concentration naoh ch3cooh phenophthalein select one: a. 20.0 ml b. 27.0 ml c. 30.0 ml d. 24.0 ml

Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?