US Marine Corps Forces Central Command (MARCENT) US Marine Forces Central Command (MARFORCENT) US Marine Corps Forces Central Command (MARCENT) is designated as the Marine Corps service component for US Central Command (CENTCOM). MARCENT is responsible for all Marine Corps forces in the CENTCOM area of responsibility.
Aluminium carbide, chemical formula Al 4 C 3, is a carbide of aluminium.
The chemical formula for rust is Fe 2 O 3 .nH 2 O. The overall chemical equation for the formation of rust is. Iron + water + oxygen rust. 4 Fe(s) + 6 H 2 O(l) + 3 O 2 (g) 4 Fe(OH) 3 (s). Iron(III) hydroxide, Fe(OH) 3 then dehydrates to produce Fe 2 O 3 .nH 2 O(s) or rust.