{"id":274509,"date":"2024-02-26T09:00:00","date_gmt":"2024-02-26T08:00:00","guid":{"rendered":"https:\/\/sherpas.com\/blog\/?p=274509"},"modified":"2024-02-28T11:57:37","modified_gmt":"2024-02-28T10:57:37","slug":"acide-ou-basique","status":"publish","type":"post","link":"https:\/\/sherpas.com\/blog\/acide-ou-basique\/","title":{"rendered":"Acide ou basique, il faut choisir ! \ud83e\uddea"},"content":{"rendered":"\n

Connais-tu la diff\u00e9rence entre acide et basique ? Tu sais, ces petits trucs qui se cachent tout autour de nous, dans nos jus d\u2019orange, nos tasses de caf\u00e9 et m\u00eame dans nos estomacs. \ud83c\udf4a\u2615<\/p>\n\n\n\n

C\u2019est ce que nous allons d\u00e9couvrir dans cet article. Let\u2019s go!<\/em> \ud83e\uddb8<\/p>\n\n\n

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Avant de d\u00e9buter, si tu rencontres des difficult\u00e9s en Sciences et Vie de la Terre, demande des cours de soutien en SVT<\/a> \u00e0 l\u2019un de nos Sherpas.  <\/p>\n\n\n

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\u00c0 lire aussi<\/p>\n

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Si tu souhaites en savoir plus sur le programme de SVT en 3\u00e8me<\/a>, lis vite notre article sur le sujet.<\/p>\n\n <\/div>\n <\/section>\n\n\n

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Agathe<\/p>

ENS Lyon<\/p>

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Cl\u00e9mence<\/p>

HEC Paris<\/p>

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Jeanne<\/p>

Aix-Marseille Universit\u00e9<\/p>

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17\u20ac\/h<\/p> <\/div>\n <\/div>\n

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Jade<\/p>

Sciences Po Paris<\/p>

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Ton premier cours particulier est offert ! \ud83c\udf81<\/span><\/p>\n<\/div>\n

Nos profs sont pass\u00e9s par les meilleures \u00e9coles et universit\u00e9s.<\/p>\n

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\n \n J’EN PROFITE MAINTENANT !\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n\n\n

Les acides<\/h2>\n\n\n\n

Commen\u00e7ons par les acides ! \ud83c\udf1f<\/p>\n\n\n\n

Qu\u2019est-ce qu\u2019un acide ?<\/h3>\n\n\n\n

Les acides, c\u2019est simple : ce sont des substances qui adorent les ions d\u2019hydrog\u00e8ne <\/strong>(H\u207a). Plus il y a d\u2019ions H\u207a, plus l\u2019acidit\u00e9 est forte.<\/strong> On mesure \u00e7a avec <\/strong>le fameux pH<\/strong><\/a>. \ud83d\uddd2\ufe0f<\/p>\n\n\n

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\"Sch\u00e9ma<\/figure><\/div>\n\n\n

Tu sais, ce truc qui va de 0 \u00e0 14 et qui mesure la concentration de l\u2019ion d\u2019hydrog\u00e8ne dans une solution. Si le pH est inf\u00e9rieur \u00e0 7, c\u2019est acide\u202f!<\/strong> Comme le citron ! \ud83c\udf4b<\/p>\n\n\n\n

Exemples d\u2019acides sympas<\/h3>\n\n\n\n