How many moles of FeS2 are needed to produce 27.5 moles of Fe2O3

Explain why scientists use shared characteristics to make cladograms.

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood