Je suis complétement bloquer pour ajuster mes équations
Ajuster les nombres stœchiométriques dans les équations chimiques suivantes .
1. ...N2(g)+...H2(g) ⇒...N2H4(g)
2. ...C2H6(g)+ ...O2(g)⇒...H2o(l)+...CO2(g)
3. ...CuO(s)+...H⁺(aq)⇒...cu²⁺(aq)+...H2O(l)
4. ...H2O(l) + ...CO2(g)⇒C12H22O11(s)+...O2(g)
5. ...CH4(g) +...Cl2(g)⇒...C(s)+...HCl (g)
6. ...C2H6O(l) + ...O2(g)⇒...3H2O(l)+...CO2(g)
7. ...Zn5s) + ....H⁺(aq)⇒...Zn²⁺(aq)+H2(g)
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