A scientist fills a large, tightly sealed balloon with 52,000 ml of krypton at STP. Using significant figures, how many moles of helium are contained within the balloon?

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