A beaker containing a mixture of insoluble solid and liquid. There is filter paper in a filter funnel above another beaker. The liquid particles are small enough to pass through the filter paper ...

in the beaker into the low water concentration (concentrated solution) in the Visking tubing across the membrane, increasing the volume of liquid in the Visking tubing, which forces liquid up the ...

A candle appears to be underwater by superimposing the transmitted light from the beaker with the reflected light from a candle. A pane of glass between the candle and the beaker acts as both the ...