Curated OER
The Influence of Initiator Concentration on the Molecular Weight of Polystyrene
This in-depth organic chemistry lab walks learners through an investigation of the effect of initiator concentration on the resulting molecular weight of polystyrene. It is important that you use this lesson with experienced chemistry...
Curated OER
Addition Polymerization: Preparation of Polystyrene Using Two Types of Initiators
Advanced chemistry classes compare the polymerization of styrene using two different initators: benzoyl peroxide and aluminum chloride. Once they synthesize polystyrene, they compare the two producet for melting point and density. There...
Curated OER
Oils and Plastic
Peruse the properties of polymers with your materials engineers, chemistry aces, or emerging ecologists. The inquiries in this resource include puncturing polyethylene plastic bags, dissolving polystyrene cups, creating a polymer ball...
Curated OER
#24 How Much Air Is In Foamed Polystyrene Products?
Students are challenged to come up with a good estimate of the amount of air in foamed polystyrene products. They use this gas evolution experiment and as such have students measure the gas generated when foamed polystyrene is degassed...
Curated OER
Polystyrene Containers
Students conduct experiments to determine the effectiveness of polystyrene containers at preventing heat loss. In this polymers lesson, students design an experiment to determine how effective Styrofoam burger containers are at...