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| an atomic spatial arrangement that results from rotation of carbon atoms about single bonds within an organic molecule |
| to remove impurities from a gas by chemical means, as sulfur dioxide from smokestack gas or carbon dioxide from exhaled air in life-support packs |
| silver bromide | |
| —n | |
| a yellowish insoluble powder that darkens when exposed to light: used in making photographic emulsions. Formula: AgBr | |