Acids and Bases

Buffer Capacity

Acid and base added to buffers of various concentrations to show capacity and how it is affected.

Limiting Reactant

The progress of the reaction between three different quantities of Mg and HCl is monitored by the amount of hydrogen gas produced.
Limiting Reactant Before

Copper-Ammonia Complex

Copper chloride solution forms a pale blue precipitate then a deep blue solution as ammonia is added.
Copper Hydroxide

Diffusion of NH3 and HCl

A cloud of white ammonium chloride forms at the mouth of a flask contianing HCl.
NH3-HCl

Indicator Cylinder

Dry ice changes the colors of a universal indicator solution.
Indicator Cylinder

Frozen Board

An endothermic reaction freezes a beaker to a board.
Setup

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© Copyright 2012 Email: Randy Sullivan, University of Oregon Chemistry Department and UO Libraries Interactive Media Group