Comment faire de l'hydrogène
Les premières choses à savoir sont : quelques bases en chimie. En effet, l'eau est composée d'une infinité de molécules appelées H2O. Cela veut dire que les molécules contenues dans l'eau sont composées de 2 atomes d'hydrogène pour 1 atome d'oxygène. Alors, on fera 2 fois plus d'hydrogène que d'oxygène.
Avant de passer à l’action, il faut savoir que l’hydrogène peut faire une explosion, mais avec les si petites quantités qu’on en produira, il sera difficile de faire exploser quelque chose et que ce soit réellement dangereux, mais les risques sont présents.
Faire de l’hydrogène est relativement facile. Commencez par vous trouver une ou plusieurs batteries 9 volts et branchez-les en série. Sinon, vous pouvez prendre un transformateur mural de moins de 20 volts et 1 ampère (pour la sécurité). Ensuite, connectez des fils aux batteries 9 volts, et dénudez les fils (enlever le caoutchouc au bout des 2 fils de cuivre, + et -), si vous n’avez pas de fils sous la main, prenez simplement des trombones.
Si vous trempez les fils/trombones dans l’eau, vous pourrez voir des petites bulles de gaz se formant aux 2 bornes, à la positive, c’est de l’oxygène, et à la négative, de l’hydrogène. Mais l’expérience ne s’arrête pas la, présentement, il y a vraiment peu de bulles sur les bornes. Il faudra y accrocher des clous de fer, pas trop gros. Pour améliorer davantage notre production d’hydrogène, nous pouvons ajouter un peu de sel ou de vinaigre dans l’eau, car l’eau ne conduit pas l’électricité, mais c’est ce que l’eau contient qui conduit l’électricité. Voici une vidéo (c’est une vidéo sur internet, pas la mienne) de l’hydrogène et de l’oxygène de train de se former. En faisant l’expérience, j’ai aussi découvert que plus les bornes dans l’eau sont proches, plus les bulles se faisaient rapidement. Finalement, pour récupérer notre hydrogène, il suffit de mettre une bouteille d’eau ou un contenant à l’envers des petites bulles. Elle devra totalement être remplie d’eau et à l'envers, pour laisser tranquillement place à l’hydrogène. Si on récupère l’hydrogène et l’oxygène dans la même bouteille, le mélange de combustible/comburant sera déjà équilibré parfaitement pour faire l’explosion, si on approche une source de feu.
Nous pourrions utiliser l’hydrogène et l’oxygène pour faire fonctionner les voitures et faire sortir de l’eau par l’échappement, à la place du pétrole, qui pollue l’environnement. Par contre, l’hydrogène requiert beaucoup d’énergie pour la produire, et elle se transporte mal, car elle est à l’état gazeuse. Nous pourrions aussi fournir les voitures de grosses batteries, et elle réutiliserait leur eau, mais les batteries devraient être très puissantes, grosses et coûteuses, et cela nuirait à l’environnement.
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