Mozambique
L’energia ens mou i l’entropia en determina la direcció, per exemple dels equilibris químics. Aquests termes químics ens acompanyen en les classes de química i de molts problemes quotidians, com el debat climàtic. Aquest article pretén arribar al fons d’aquests termes i la seva utilització en l’ensenyament de la química analitzant una dotzena de fenòmens en deu experiments.
Energy moves us and entropy determines the direction, e.g. of chemical equilibria. They are behind chemistry, they accompany us through chemistry lessons and many everyday problems, such as the climate debate. This article aims to get to the bottom of the energy concepts in chemistry and their application in chemistry teaching by looking at about a dozen phenomena in ten experiments. The role of entropy is only touched on in passing; dealing with it explicitly would be a topic in itself.
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