Pulley Large Demonstration Double, Designed for Classroom Demonstrations, Light-weight, low-friction, and deformation-resistant plastic ensures accurate results, Open to make it easier for users to run pulley cords through them
Sonometer Wire, 1.3lbs, 9.8x6.7x6.3inch, Set of six wires, brass and steel, length 1.5 m, Set of six wires, brass and steel, length 1.5 m of 22, 24, 26 SWG. Ends looped ready for use.
Synthesis of Aspirin, Includes:2x25 ml Acetic Anhydride UN1715, 1x15 g Salicylic Acid, 2x25 ml Sulfuric Acid Concentrate UN1830, 2x25 ml Toluene UN1294, The exothermic reaction willcause the temperature to increase to 70-80C
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