AP Chemistry Lab 12 Designing a Hand Warmer Thermochemistry Glass Dishes & Jars_Glass Troughs accepting vertical rods up to

accepting vertical rods up to 5/8 inch to secure funnels and flasks above heat sources

Sheet-metal D battery holder for two D-cells with spring-loaded terminals and 4 mm banana plug outputs

Large Magdeburg hemispheres demonstrating the force of atmospheric pressure through vacuum-sealed halves that resist tug-of-war separation in classroom-scale physics demos

band pattern analysis

AP Chemistry Lab 12 Designing a Hand Warmer Thermochemistry Glass Dishes & Jars_Glass Troughs accepting vertical rods up toAP Chemistry Lab 12 challenges students to design hand warmers through exothermic reaction selection, thermochemistry principles, and engineering thinking.