Bernstein, Aaron, Naturwissenschaftliche Volksbücher, Bd. 12-16, 1897

Table of contents

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            <s xml:id="echoid-s3847" xml:space="preserve">
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            abfallen. </s>
            <s xml:id="echoid-s3848" xml:space="preserve">Dieſes helle Verbrennen des Eiſens dauert ſolange
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            fort, bis der Sauerſtoff aufgezehrt iſt.</s>
            <s xml:id="echoid-s3849" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s3850" xml:space="preserve">Was iſt aus dem Eiſen geworden?</s>
            <s xml:id="echoid-s3851" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s3852" xml:space="preserve">Wir haben bei den vorigen Experimenten geſehen, wie die
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            Kohle in ihrer Verbindung mit Sauerſtoff ein Gas “Kohlen-
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            ſäure” bildet. </s>
            <s xml:id="echoid-s3853" xml:space="preserve">Ferner: </s>
            <s xml:id="echoid-s3854" xml:space="preserve">wie beim Verbrennen des Schwefels
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            eine Verbindung desſelben mit Sauerſtoff entſteht. </s>
            <s xml:id="echoid-s3855" xml:space="preserve">Beim Ver-
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            brennen des Phosphors ſind Dämpfe entſtanden, welche bei der
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            Verbindung desſelben mit Waſſer die Phosphorſäure bildet.
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            </s>
            <s xml:id="echoid-s3856" xml:space="preserve">Aus dem Eiſen jedoch iſt kein Gas und kein Dampf, ſondern
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            ein feſter Körper, jene Kügelchen, entſtanden, welche von dem
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            brennenden Draht abgefallen ſind. </s>
            <s xml:id="echoid-s3857" xml:space="preserve">Wir lernen daraus, daß
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            aus einem ſo feſten Stoffe wie Eiſen und einem ſo leichten
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            Stoffe wie Sauerſtoff ein neuer feſter Körper entſtehen kann. </s>
            <s xml:id="echoid-s3858" xml:space="preserve">
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            Er heißt Eiſenoxyd.</s>
            <s xml:id="echoid-s3859" xml:space="preserve"/>
          </p>
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            <s xml:id="echoid-s3860" xml:space="preserve">Merkwürdig iſt noch beſonders hierbei die gewaltige Hitze
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            dieſer Kügelchen im Moment ihrer Entſtehung. </s>
            <s xml:id="echoid-s3861" xml:space="preserve">Wenn man
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            das Gefäß näher unterſucht, findet man, daß die Kügelchen
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            beim Abfallen in den Boden des Glaſes hineingedrungen ſind,
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            indem ſie das Glas geſchmolzen haben. </s>
            <s xml:id="echoid-s3862" xml:space="preserve">Selbſt wenn man ein
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            wenig Waſſer in das Gefäß gethan hat, verhindert dies nicht
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            das Einſchmelzen der Eiſenoxydkügelchen in den Boden des
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            Glaſes. </s>
            <s xml:id="echoid-s3863" xml:space="preserve">Die Hitze, unter welcher ſich Eiſen und Sauerſtoff
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            verbunden haben, iſt eine ſo große, daß ſie trotz des den Boden
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            des Gefäßes bedeckenden Waſſers noch ausreicht, das Glas zu
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            ſchmelzen und in dasſelbe einzudringen.</s>
            <s xml:id="echoid-s3864" xml:space="preserve"/>
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        <div xml:id="echoid-div114" type="section" level="1" n="101">
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            <emph style="bf">XVI. Die Hitze, in welcher ſich Waſſerſtoff und</emph>
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            <emph style="bf">Sauerſtoff verbinden.</emph>
          </head>
          <p>
            <s xml:id="echoid-s3865" xml:space="preserve">Nunmehr wollen wir in einem Experiment darthun, wie
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            leicht man ſich mit den beiden Gaſen einen gewaltigen </s>
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