US$ 148.00
and sustainable energy principles
and a movable disc plug
Mid-size 115 by 65 by 18mm acrylic rectangular refraction block
sized to detect bidirectional currents stronger than the milliampere-class meters can read
Four-metal 32mm density cube set with hooks in brass
Negative Coefficient of Solubility Chemistry Demonstration Material_Silica and sustainable energy principlesUsed to demonstrate that some compounds become less soluble as temperature rises, 500mL of saturated calcium acetate precipitates on heating and re dissolves on cooling reverse of typical rules.
US$ 148.00
US$ 24.00