tree + fire = ash, ash, and coal
coal
pressure+plant
you dont
if your thinking about alchemy like in Fullmetal alchemist the show, then making life would work, but the answer is no for alchemy in today's alchemy, as in making a penny turn to gold by the process of mixing chemicals.
airplane + space
fire + wood
boiler + coal
coal
Coal+pressure=uncut diamond+tool=diamond
Coal+Metal=Steel Pressure+Plant=Coal Earth+Rain=Plant Water+Air=Rain
pressure+plant
Tree plus fire
Steel=metal+coal
Steel=metal+coal
coal + metal = steel
Coal + Metal=STEEL
coal+wood=pencil