A combination of pure substances, not in fixed amounts, that can be easily separated is a?

Why are the trends and exceptions to the trends in ionization energy observed?

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

Assume that 13.5 g solid aluminum (al) react with hcl to produce solid aluminum chloride (alcl3) salt and gaseous hydrogen (h2) at standard temperature and pressure.