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4 Na + O2 = 2 Na2O
Ni(NO3)2 + NaOH = Ni(OH)2 + NaNO3 =>
Ni(NO3)2 + 2 NaOH = Ni(OH)2 + 2 NaNO3
K2Cr2O7 + H2O + S = SO2 + KOH + CrO2 =>
K2Cr2O7 + H2O + S = SO2 + 2 KOH + 2 CrO2
Zn + SO2 = ZnO + S =>
2 Zn + SO2 = 2 ZnO + S
H2O2 + NaOH = NaO2H + H2O =>
H2O2 + NaOH = NaO2H + H2O
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
CO2 + H2O = H + HCO3 =>
CO2 + H2O = H + HCO3
CUO + HNO3 = CU(NO3)2 + H2O =>
CUO + 2 HNO3 = CU(NO3)2 + H2O
K2Cr2O7 + H2O + S = SO2 + KOH + Cr2O2 =>
K2Cr2O7 + H2O + 2 S = 2 SO2 + 2 KOH + Cr2O2
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
(CH2O)106(NH3)16H3PO4 + O2 = CO2 + NH3 + H2O + H3PO4 =>
(CH2O)106(NH3)16H3PO4 + 106 O2 = 106 CO2 + 16 NH3 + 106 H2O + H3PO4
Mg + H2SO4 = MgSO4 + H2S + H2O =>
4 Mg + 5 H2SO4 = 4 MgSO4 + H2S + 4 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
ZnSO4 + Na2CO3 = ZnCO3 + Na2SO4 =>
ZnSO4 + Na2CO3 = ZnCO3 + Na2SO4
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
Mg + HCl = MgCl + H2 =>
2 Mg + 2 HCl = 2 MgCl + H2
Fe2O3 + CO = Fe3O4 + CO2 =>
3 Fe2O3 + CO = 2 Fe3O4 + CO2
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
Cs2O(s) + Al2O3(s) = CsAlO2 =>
Cs2O(s) + Al2O3(s) = 2 CsAlO2
NH4Cl + H2O = NH4OH + HCl =>
NH4Cl + H2O = NH4OH + HCl
Cu(CN)2 + NaOCl = CuCl2 + NaCN + O2 =>
Cu(CN)2 + 2 NaOCl = CuCl2 + 2 NaCN + O2
PH3 + KMnO4 + H2SO4 = H3PO4 + MnSO4 + K2SO4 + H2O =>
5 PH3 + 8 KMnO4 + 12 H2SO4 = 5 H3PO4 + 8 MnSO4 + 4 K2SO4 + 12 H2O
C8H8O3 + C2H6O = C6H12O2 + H2O =>
2 C8H8O3 + 13 C2H6O = 7 C6H12O2 + 5 H2O
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
ZnCO3 + HNO3 = Zn(NO3)2 + H2CO3 =>
ZnCO3 + 2 HNO3 = Zn(NO3)2 + H2CO3
H2S + HNO3 = H2SO4 + NO + H20 =>
10 H2S + 20 HNO3 = 10 H2SO4 + 20 NO + H20
N2H4 + H2O2 = N2 + H2O =>
N2H4 + 2 H2O2 = N2 + 4 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
H2S + HNO3 = H2SO4 + NO + H2O =>
3 H2S + 8 HNO3 = 3 H2SO4 + 8 NO + 4 H2O
C5H9N3 + HCl = NH4Cl + C5H6N2 =>
C5H9N3 + HCl = NH4Cl + C5H6N2
Pb(CH3COO)2 + NaOH = Pb(OH) + Na(CH3COO)2 =>
Pb(CH3COO)2 + NaOH = Pb(OH) + Na(CH3COO)2
HCl + Ba(OH)2 = H2O + BaCl2 =>
2 HCl + Ba(OH)2 = 2 H2O + BaCl2
Zn(OH)2 = ZnO + H2O =>
Zn(OH)2 = ZnO + H2O
CuCl2 + H2O = Cu(OH)2 + HCl =>
CuCl2 + 2 H2O = Cu(OH)2 + 2 HCl
Ag + HNO3 = AgNO3 + NO2 + H2O =>
Ag + 2 HNO3 = AgNO3 + NO2 + H2O
C2H4O2 + Cu = CuOH + CH =>
C2H4O2 + 2 Cu = 2 CuOH + 2 CH
Ni(NO3)2 + C4H8O2N2 + NH4OH = Ni(C4H8O2N2)2 + NH4NO3 + H2O =>
4 Ni(NO3)2 + 8 C4H8O2N2 + 10 NH4OH = 4 Ni(C4H8O2N2)2 + 9 NH4NO3 + 7 H2O
Na2MnO4 + H2O = NaMnO4 + MnO2 + NaOH =>
3 Na2MnO4 + 2 H2O = 2 NaMnO4 + MnO2 + 4 NaOH
Pb(CH3COO)2 + NaOH = Pb(OH)2 + NaCH3COO =>
Pb(CH3COO)2 + 2 NaOH = Pb(OH)2 + 2 NaCH3COO
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
ZnO + H2SO4 = ZnSO4 + H2O =>
ZnO + H2SO4 = ZnSO4 + H2O
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
CaCO3 + H2O = Ca(OH)2 + H2CO3 =>
CaCO3 + 2 H2O = Ca(OH)2 + H2CO3
CuN + Fe = FeCuN =>
CuN + Fe = FeCuN
KMnO4 = K2O + MnO2 + O2 =>
4 KMnO4 = 2 K2O + 4 MnO2 + 3 O2
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
C2H4 + S2Cl2 = SC4H8Cl2 + S =>
2 C2H4 + S2Cl2 = SC4H8Cl2 + S
Al + H2O = AlO + H2 =>
Al + H2O = AlO + H2
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