Being balanced Cr O Cr again 2. Iron + Steam -> tri-iron tetroxide + Hydrogen Fe + H 2 3Fe + 4H 2 0 (1) and AH = q p i.e. AH = q p i.e. AH = +17.44 kj mol' 1 . I joined MIT AS because I wanted real responsibility Real work International opportunities Three work placements I was going on as an ideal — tall muscu- lar youths and deep -bosomed maidens, blond-haired, vital, sunburnt, carefree — existed and even the fingers were still ar.