Dry ice
Dry ice is a genericized trademark for solid ('frozen') carbon dioxide. The term was coined in 1925. ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
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~ ~ ~ ~ ~ ~ ~ ~ ~ ~ Dry ice at normal pressures does not melt into liquid carbon dioxide but rather sublimates directly into carbon dioxide gas at −78.5?C (−109.3?F). Hence it is called "dry ice" as opposed to normal "wet" ice (frozen water). ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ Dry ice is produced by compressing carbon dioxide gas to a liquid form, removing the heat produced by the compression (see Charles' law), and then letting the liquid carbon dioxide expand quickly. This expansion causes a drop in temperature so that some of the CO2 freezes into "snow" which is then compressed into pellets or blocks. ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
Genericized trademark: A genericized trademark (Commonwealth English genericised trade mark), sometimes known as a generic trade mark, generic descriptor or proprietary eponym, is a trademark or brand name which has become synonymous with the general or formal term for a particular type of product or service, to the exten... 1925: 1925 was a common year starting on Thursday (link will take you to calendar).... ?C: REDIRECT Et cetera... Dry ice related Images and Photos (experimental)
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~ Related Subjects ~Trademark (1) - Brand name (1) - Temperature (1) - Commonwealth English (1) - Service (1) - Colloquial (1) - Synonymous (1) - Product (1) - 1925 (1) - Sublimates (1) - Genericized trademark (1) - Carbon dioxide (1) - Ice (1) - Charles' law (1) - ?C (1) -~ Community ~
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