Description: 2 beakers of 0.1M HCl acid are set up with a salt bridge and H_2-platinum electrodes. The potential is measured (|volts|>0). Solid NaOH is added to one of the beakers. The potential is measured again.

Source: UW Card Catalog

Year: N/A Vol: N/A Page: N/A

Keywords: Fuel cell, Acid cell, Acid/Base cell, Redox

Rating:

Hazard: Some

Skin corrosion hazard
Acute toxicity hazard
Inhalation hazard
Corrosive to metals
Acute aquatic toxicity hazard
Electric shock hazard
Flammability hazard

Effectiveness: Average

Good connection to course material
Secondary effects are observed
Moderate failure rate
Time to results is medium

Difficulty: Medium

Some sequential or timed manipulations
Experiments in which a data recording or display are necessary
Some intermediate steps to results
Use of compressed gases
Use of flammable gases

Safety Precautions:

Eye protection required
Gloves required
Perform in a well-ventilated area
Use of UL approved three-prong plug and outlet
ABC fire extinguisher on hand
Absorbent materials on hand
Prevent release of reagents to the environment

Class: Electrochemistry, Redox Reactions, Potentiometry

Division: General, Physical Chemistry

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