Exercice 4 : Dans une pile à hydrogène (pour faire fonctionner un dihydrogène qui permet de produire l'électricité
Le dihydrogène réagit avec le dioxygène de l'air pour former de l'eau, de
a) Quels sont les réactifs nécessaire au fonctionnement d'une voiture à
b) Quel est le produit généré ?
d) La masse du produit est-elle égale à la somme des masses des 2 ro
c) Écris l'équation de la réaction (en l'équilibrant).​

hi hello halo conechiwa i duunoo

answer:

ty for free points

explanation:

this commercial passage is a real success. all the shops are great! there is a small biocoop to out with quality organic produce, a well-known pastry chef, a wine seller, an italian brasserie offering midday meals on a superb terrace where the dishes are plentiful, the food is quality, the ice creams are made by the owner early in the morning and a very pretty bookshop located in a pleasant and timeless setting. the highlights are relevant and well presented, we feel a real expertise on the part of the booksellers and not just a desire the shelves are filled with beautiful things for young and old.at the top and very lively.you wouldn't think you were in strasbourg.an ideal place to spend delicious moments around a good coffee, a typical italian dish, a trendy pastry while reading a good book bought in the bookstore.

j'espère que ca aide! ( i hope that this ! )