US$ 32.99
and introductory chemistry classroom work
5-inch Alnico bar pair
Glass semicircular block at 90 by 18mm
this 28 SWG bare constantan wire on a 125g reel holds resistance stable as the surrounding circuit heats up
Parchment Paper for Osmosis Tests, 50-Pack Diameter_200mm and introductory chemistry classroom workPack of 50 parchment paper sheets serves as a semipermeable membrane in osmosis demonstrations for plant physiology and biology coursework.
US$ 32.99
US$ 14.99
US$ 250.00