Class A Borosilicate Glass Volumetric Flask with Polypropylene Stopper Safety Supplies_Spill Kits Two-tube Boyle's Law apparatus connecting

Two-tube Boyle's Law apparatus connecting an open J-tube to a closed one with mercury through a rubber bridge

slit plates and combs

4 inches in diameter carries a magnetic post base that snaps onto the compatible experiment platform for rapid apparatus mounting

Double-vessel copper calorimeter set with a 75 by 50mm inner cup on cork supports inside a 100 by 75mm outer shell and a slotted lid

and magnetic force interactions

Class A Borosilicate Glass Volumetric Flask with Polypropylene Stopper Safety Supplies_Spill Kits Two-tube Boyle's Law apparatus connectingPolypropylene stopper with acid proof resistance pairs with Class A borosilicate 3. 3 glass for storing concentrated strong acid solutions where ground glass would seize.