Which is colder, dry ice subliming at -78.5#"^o#F or ethyl alcohol freezing at -179#"^o#F?

1 Answer
anor277
Feb 22, 2017

Well the freezing point of #"ethyl alcohol"# is #-114# #""^@C#....

Explanation:

And the sublimation point of #"carbon dioxide"# is #-78.5# #""^@C#....

And thus #"ethyl alcohol"# melts at a lower temperature than that at which dry ice sublimes............I can't help you too much with temperatures that use the #"Fahrenheit scale"#.

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