Fe3(so4)3->fe(oh)3->fe2o3-> ;fe->feso4->fecl2

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

An experimental procedure requires a 10 ml of acid to be dissolved

Which of the following are correct values for the ideal gas laws constant r