why, why does it snowwhat's the purpose? I don't need snow, you know who does...the polar bears, go snow over there, I don't want it. I'm done, thank you goodbye.

What mass of iron must be in a hot pack to provide -335kj of heat when the iron reacts with oxygen and is converted to iron (111) oxide according to the following thermochemical equation? 2fe(s) + 1.5o2(g)—> fe2o3(s) delta h= -824.2kj/mol