This module connects ideas across topics in a first semester introductory chemistry course to explore the impacts of combustion reactions. By motivating students to understand the relationship between ...

Magnesium metal is dissolved in HCl in 500mL Florence flasks covered with balloons. The moles of each reagent are changed in each flask in order to demonstrate the limiting reagent concept. In flasks ...

As Indiana farmer Jason Wykoff tunes up his planter, checks fields and pores over nutrient and yield data, he is still wrestling with what will go into his in-furrow program. “So often in production ...