The New Encyclopaedia Britannica, Volume 29Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 118
... hydrogen chloride ; it boils at 74.1 ° C ( 165 ° F ) and freezes at -32.4 ° C ( -22.7 ° F ) . Its toxici- ty is very low . The other isomer , 1,1,2 - trichloroethane , by contrast , is a dangerous poison . Made from acetylene , hydrogen ...
... hydrogen chloride ; it boils at 74.1 ° C ( 165 ° F ) and freezes at -32.4 ° C ( -22.7 ° F ) . Its toxici- ty is very low . The other isomer , 1,1,2 - trichloroethane , by contrast , is a dangerous poison . Made from acetylene , hydrogen ...
Page 132
... hydrogen with atomic weight of approximately 3 ; its nucleus , consisting of one proton and two neutrons , has triple the mass of the nucleus of ordinary hydrogen . Tritium is a radioactive species emitting negative beta particles of ...
... hydrogen with atomic weight of approximately 3 ; its nucleus , consisting of one proton and two neutrons , has triple the mass of the nucleus of ordinary hydrogen . Tritium is a radioactive species emitting negative beta particles of ...
Page 212
... hydrogen gas in space . The radiation is important in the study of the interstellar medium and related subjects such as the structure of the Galaxy . In the 1940s H.C. van de Hulst of The Neth- erlands theorized that such radiation ...
... hydrogen gas in space . The radiation is important in the study of the interstellar medium and related subjects such as the structure of the Galaxy . In the 1940s H.C. van de Hulst of The Neth- erlands theorized that such radiation ...
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