Question

Cho mình xin các phương trình để cân bằng có giải càng tốt !!!!!!!!!!!!

Answer 1

1) FeCO3+HNO3→Fe(NO3)3+NO2+CO2+H2OFeCO3+HNO3→Fe(NO3)3+NO2+CO2+H2O

2) MnO2+HCl→MnCl2+Cl2+H2OMnO2+HCl→MnCl2+Cl2+H2O

3) Fe+HNO3→Fe(NO3)3+N2+H2OFe+HNO3→Fe(NO3)3+N2+H2O

4) Al+H2SO4→Al2(SO4)3+SO2+H2OAl+H2SO4→Al2(SO4)3+SO2+H2O

5) K2S+KMnO4+H2SO4→S+MnO4+K2SO4+H2OK2S+KMnO4+H2SO4→S+MnO4+K2SO4+H2O

6) Mg+HNO3→Mg(NO3)2+NH4NO3+H2OMg+HNO3→Mg(NO3)2+NH4NO3+H2O

7) Cl2+NaOH→NaCl+NaClO+H2OCl2+NaOH→NaCl+NaClO+H2O

8) CuS2+HNO3→Cu(NO3)2+H2SO4+N2O+H2OCuS2+HNO3→Cu(NO3)2+H2SO4+N2O+H2O

9) K2Cr2O7+KI+H2SO4→Cr2(SO4)3+I2+K2SO4+H2OK2Cr2O7+KI+H2SO4→Cr2(SO4)3+I2+K2SO4+H2O

10) K2Cr2O7+KNO2+H2SO4→Cr2(SO4)3+KNO3+K2SO4+H2O

Answer 2

PTHH:
1. KMnO4 -------> ? + ? + O2
2. FeS2 + O2 -------> ? +?
3. NH3 + O2 --------> No + h2O
4. Fe(OH)2 + O2 + H2O ----> Fe(OH)3
5. FexOy + HCl -----> FeCl 2y/x + H2O
6. FeCl2 + Cl2 -------> FeCl3
7. C2H5OH + O2 ----> CO2 + H2O
8. Zn + HNO3 -------> Zn(NO3)2 + N2 + H20
9. CxHy + O2 --------> CO2 + H2O
10. H2 + FexOy -------> Fe + H2O
mặc dù mk có đáp án ý n bn tự lm ik toàn PT chw cân bằng ths