Memoirs and Proceedings

Memoirs and Proceedings

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1893 edition. Excerpt: ...2716 2414 These experiments show that in all the cases examined, viz: the combustion of cyanogen, marsh gas, ethylene and acetylene--the substitution of nitrogen for the oxygen required to burn the carbon from carbonic oxide to carbonic acid increase: the velocity of the explosion. T /me facts seem only consistent with the 'view that t/re carbon burn: directly to carbonic oxide, and t/ze formation of carbonic acid is an after'occurrence. 6. The experiments described above, as well as others made with the same mixtures further diluted with nitrogen, permitted an extended comparison between the theoretical velocities calculated by Berthelot's formula (0) and the actual rates (v). This comparison is made in the following tables for electrolytic gas, diluted with oxygen and with nitrogen; for cyanogen burning to carbonic oxide, and when this mixture is diluted with nitrogen; for marsh gas, ethylene and acetylene all burning to carbonic oxide and steam, and for the same gases diluted with nitrogen. In calculating 0, I made a correction for the gases being at the ordinary temperature (I3 C.) before explosion and not at absolute zero; the theoretical velocities are, therefore rather higher than those given by Berthelot. This correction raises the theoretical velocity of explosion of electrolytic gas from 2831 metres per second (Berthelot) to 2900. T'ABLE XI. Electrolytic Gas with excess of Oxygen added. 2 vols. hydrogen. ) with addition of with addition of with addition of Mixture. 1 vol. oxygen. I i 1 vol. oxygen. 3 vols. oxygen. ' 5 vols. oxygen. H, ]O H, +O+0 H, +0+0S H, +0+0s Theory,0.... 2goo 2252 1730 1476 Found, 11... 2821 2328 1927 I707 These measurements show that Berthelot's formula, which gives a calculated rate more

Product details

  • Paperback | 64 pages
  • 189 x 246 x 3mm | 132g
  • United States
  • English
  • black & white illustrations
  • 1236779614
  • 9781236779618