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Correction des équations

Correction des équations. 7 expériences au labo. Expérience A. HCl (aq) + Zn (s)  H 2 (g) + ZnCl 2(aq). 2. Expérience B. Ca (s) + H 2 O (l)  H 2 (g) + CaO (aq) Ca (s) + H 2 O (l)  H 2 (g) + Ca(OH) 2(aq). 2. Expérience C. 2. 2.

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Correction des équations

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  1. Correction des équations 7 expériences au labo

  2. Expérience A HCl (aq) + Zn (s) H2(g) + ZnCl2(aq) 2

  3. Expérience B Ca (s) + H2O (l) H2(g) + CaO(aq) Ca (s) + H2O (l) H2(g) + Ca(OH)2(aq) 2

  4. Expérience C 2 2 KI(aq) + Pb(NO3)2(aq) KNO3(aq) + PbI2(s)

  5. Expérience D 2 2 Mg (s) + O2(g) MgO (s)

  6. Expérience E 2 2 2 Cu (s) + HNO3(aq) H2(g) + CuNO3(aq) Cu(s) + 2HNO3(aq) → CuNO3 + NO2(g) +H2O(l)

  7. Expérience F C12H22O11(s)  H2O (l) + C(s) H 2SO4 11 12

  8. Expérience G 2 NiCl2(aq) + NaOH(aq) NaCl(aq)+ Ni(OH)2(s) 2

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