Pogil

“That’s first order,” whispered another group member, eyes wide with sudden realization. “Oh my god. That’s what ‘half-life’ actually means.”

He answered it himself.

He handed each group a fat packet. “This is your Model. It contains graphs of concentration vs. time for three different reactions. As a team, answer the questions that follow. You have twenty minutes for the first three questions. Your manager will keep time.” “That’s first order