Bernstein, Aaron, Naturwissenschaftliche Volksbücher, Bd. 6/11, 1897

Table of Notes

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          <p>
            <s xml:id="echoid-s269" xml:space="preserve">
              <pb o="16" file="024" n="24"/>
            auch die chemiſche Verbindung von Sauerſtoff und Kohlenſtoff
              <lb/>
            hergeſtellt.</s>
            <s xml:id="echoid-s270" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s271" xml:space="preserve">Darum ſind auch die Öfen die beſten, die einen ſtarken
              <lb/>
            Zug haben, d. </s>
            <s xml:id="echoid-s272" xml:space="preserve">h. </s>
            <s xml:id="echoid-s273" xml:space="preserve">wo recht viel friſche Luft mit recht ſtarkem
              <lb/>
            Strom durch die Klappe der Ofenthür hineinzieht, ſo daß recht
              <lb/>
            viel Sauerſtoff aus der Luft durch das heiß gewordene Holz
              <lb/>
            zieht und ſich mit dieſem chemiſch verbindet. </s>
            <s xml:id="echoid-s274" xml:space="preserve">Darum puſtet
              <lb/>
            auch die Köchin in das Feuer auf dem Herd, damit es beſſer
              <lb/>
            brenne, d. </s>
            <s xml:id="echoid-s275" xml:space="preserve">h. </s>
            <s xml:id="echoid-s276" xml:space="preserve">ſie treibt mit dem Puſten einen Strom von Luft
              <lb/>
            ins Feuer hinein, damit mehr Sauerſtoff an das erhitzte Holz
              <lb/>
            komme. </s>
            <s xml:id="echoid-s277" xml:space="preserve">Darum braucht der Feuerarbeiter den Blaſebalg,
              <lb/>
            damit die ſchwer brennende Steinkohle recht viel Sauerſtoff be-
              <lb/>
            komme zur chemiſchen Verbindung, die eben das Brennen zu
              <lb/>
            Wege bringt, und darum brannte auch bei unſerm Verſuch
              <lb/>
            das Stückchen Kohle ſo ſchön in der Flaſche von Sauerſtoff,
              <lb/>
            weil eben das Verbrennen nur eine Erſcheinung iſt, welche
              <lb/>
            ſtattfindet, wenn ſich Sauerſtoff recht ſchnell und energiſch mit
              <lb/>
            Kohle oder mit andern Stoffen verbindet.</s>
            <s xml:id="echoid-s278" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s279" xml:space="preserve">Man ſieht wohl, daß eigentlich alle Welt Chemie treibt,
              <lb/>
            ohne daß ſie es weiß.</s>
            <s xml:id="echoid-s280" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div11" type="section" level="1" n="11">
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            <emph style="bf">VII. Die Lehre der Chemie über das Verbrennen.</emph>
          </head>
          <p>
            <s xml:id="echoid-s281" xml:space="preserve">Nachdem wir nun geſehen haben, was denn eigentlich
              <lb/>
            beim Verbrennen des Holzes vor ſich geht, daß hierbei eben
              <lb/>
            eine chemiſche Verbindung des Sauerſtoffs mit dem Kohlenſtoff
              <lb/>
            des Holzes ſtattfindet, können wir einen großen Lehrſatz der
              <lb/>
            Chemie ausſprechen, den wohl ſchon jedermann oft genug
              <lb/>
            gehört, aber viele doch nicht verſtanden haben. </s>
            <s xml:id="echoid-s282" xml:space="preserve">Der Lehrſatz
              <lb/>
            lautet:</s>
            <s xml:id="echoid-s283" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s284" xml:space="preserve">Verbrennung iſt gar nichts anderes als ein chemiſcher
              <lb/>
            Prozeß, und Feuer iſt nur eine Erſcheinung dieſes Prozeſſes.</s>
            <s xml:id="echoid-s285" xml:space="preserve"/>
          </p>
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