[12] +die Erkennung+: recognition, identification. [13] +die Reindarstellung+: preparing in the pure state. [14] +die Kohlensäure+: carbonic acid. [15] +der Schwefelwasserstoff+: sulphuretted hydrogen. [16] +der Chlorwasserstoff+: hydrochloric acid. [17] +nimmt ab (abnehmen)+: diminishes. 41. [1] +sich verflüchtigen+: to be volatilized. [2] +die Verdampfung+: vaporization (with the aid of heat). [3] +die Verdunstung+: evaporation (at ordinary temperatures). [4] +ungenügend+; recognize the adverb by the absence of adjective endings and translate: insufficiently. [5] +vor sich geht+: goes on, takes place. [6] +gebracht+: when brought. [7] +das Jod+: iodine. [8] +luftverdünnt+: rarefied. [9] +lösen, löslich, die Lösung+: to dissolve, soluble, the solution. [10] +der Weinstein+: tartar. [11] +das Chlorcalcium+: calcium chloride. [12] +infolgedessen (in Folge dessen)+: in consequence of that. [13] +zerfliesslich+: deliquescent. [14] +nimmt ... zu (zunehmen)+: increases. [15] +scheidet sich ... aus+: separates. [16] +und zwar+: and moreover. [17] +Platinmohr+: platinum block, platinum sponge. 42. [1] +die Einheit+: unit. [2] +wobei+; see 28 Note 4. [3] +stimmen ... überein (übereinstimmen)+: agree. [4] +bezüglich+: relating. [5] +mittler+: average, mean. [6] +die Zusammensetzung+: composition. 43. [1] +die Entstehung+: origin, formation. [2] +die Umwandlung+: conversion. [3] +die Zersetzung+: decomposition. [4] +die Verbindung+: composition, compound. [5] +noch so verschiedenartig+: no matter how differently. [6] +entstanden (entstehen)+: formed. [7] +gelangen+: to get. [8] +dabei+: in the process. [9] +gleichgültig (gleichgiltig)+: indifferent, all the same, no matter. [10] +der Chlorwasserstoff+: hydrochloric acid. [11] +der Wasserstoff+: hydrogen. [12] +das Chlor+: chlorine. [13] +beliebig+: any desired, any whatever. [14] +das Verhältnis+: ratio. [15] +der Gewichtsteil+: part by weight. [16] +derart (in der Art)+: in such a way. [17] +der Stickstoff+: nitrogen. [18] +also+: that is to say. 44. [1] +Infolge (in Folge)+: in consequence. [2] +die Beschaffenheit+: nature. [3] +für sich+: in themselves. [4] +was+: which. [5] +die Auffassung+: conception. [6] +diesen+: these, the latter (_i. e._ trees). [7] +erfolgen+: to ensue, follow, take place. [8] +Verhältnissen+, proportions, belongs also to +Gewichts-+ as indicated by the hyphen. [9] +der Schluss+: conclusion. [10] +nimmt man ... an (annehmen)+: if we assume. [11] +beispielsweise+: by way of example. [12] +dementsprechend+: corresponding to that = accordingly. [13] +Es+ is merely introductory; the real subject is +1000 Moleküle+. [14] +dass diese 500 Moleküle je 1000 Atomen entsprechen+: that each 500 of these molecules correspond to 1000 atoms. 45. [1] +die Annahme+: assumption. [2] +zunächst+: first. [3] +eingeleitet+: introduced. [4] +pflanzt sich ... fort (sich fortpflanzen)+: propagates itself.