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2 PbO2 + 8 HBr = 4 H2O + 2 PbBr + 3 Br2
CH3COOH + H2O3 = CH3COO + H3O =>
7 CH3COOH + H2O3 = 7 CH3COO + 3 H3O
NaCl + Br2 = Na + BrCl2 =>
4 NaCl + Br2 = 4 Na + 2 BrCl2
Ca(NO3)2 + K2CO3 = CaCO3 + KNO3 =>
Ca(NO3)2 + K2CO3 = CaCO3 + 2 KNO3
Ni + HNO3 = Ni(NO3)2 + H2O + N2O =>
4 Ni + 10 HNO3 = 4 Ni(NO3)2 + 5 H2O + N2O
ZnCO3(s) = ZnO(s) + CO2 =>
ZnCO3(s) = ZnO(s) + CO2
Ha2SO4 + H2SO4 = HaHSO4 =>
Ha2SO4 + H2SO4 = 2 HaHSO4
Ca + H2 + O = Ca(OH)2 =>
Ca + H2 + 2 O = Ca(OH)2
Pb(NO3)2 + FeO = PbO + Fe2O3 + NO2 =>
Pb(NO3)2 + 2 FeO = PbO + Fe2O3 + 2 NO2
H2O2 + W = WO3 + H2O =>
3 H2O2 + W = WO3 + 3 H2O
CuSO4 + PbO = CuO + PbSO4 =>
CuSO4 + PbO = CuO + PbSO4
Co(OH)2 + H2O2 = CoO(OH) + HOH =>
2 Co(OH)2 + H2O2 = 2 CoO(OH) + 2 HOH
HNa + Ba(OH)2 = NaO + Ba + H2O =>
2 HNa + 3 Ba(OH)2 = 2 NaO + 3 Ba + 4 H2O
PbS(s) + O2(g) = PbO(s) + SO2(g) =>
2 PbS(s) + 3 O2(g) = 2 PbO(s) + 2 SO2(g)
Ag + KCl2 = K + AgCl =>
2 Ag + KCl2 = K + 2 AgCl
K2Cr2O7 + FeCl2 + HCl = KCl + CrCr2 + FeCl3 + H2O =>
3 K2Cr2O7 + 36 FeCl2 + 42 HCl = 6 KCl + 2 CrCr2 + 36 FeCl3 + 21 H2O
Ca(CH3CO2)2 + HCl = CaCl2 + HC2H3O2 =>
Ca(CH3CO2)2 + 2 HCl = CaCl2 + 2 HC2H3O2
HCOONa + H2O = NaOH + HCOOH =>
HCOONa + H2O = NaOH + HCOOH
KClO = KCl + O2 =>
2 KClO = 2 KCl + O2
Na2O + WO3 = NaWO3 + O2 =>
2 Na2O + 4 WO3 = 4 NaWO3 + O2
Fe(OH)2(aq) + H3PO4(aq) = Fe3(PO4)2(s) + H2O(l) =>
3 Fe(OH)2(aq) + 2 H3PO4(aq) = Fe3(PO4)2(s) + 6 H2O(l)
CH3COOH + H2O3 = CH3COO + H2O =>
4 CH3COOH + H2O3 = 4 CH3COO + 3 H2O
F2 + NaBr = Br2 + NaF =>
F2 + 2 NaBr = Br2 + 2 NaF
H2NC6H4CO2H + O2 = CO2 + H2O + NH3 =>
H2NC6H4CO2H + 7 O2 = 7 CO2 + 2 H2O + NH3
CH3COOH + H2O3 = CH3COO + H2O =>
4 CH3COOH + H2O3 = 4 CH3COO + 3 H2O
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Ca(NO3)2 + Na2CO3 = Na2NO3 + Ca(CO3)2 =>
Ca(NO3)2 + 2 Na2CO3 = 2 Na2NO3 + Ca(CO3)2
KI + BaCl2 = KCl2 + BaI =>
KI + BaCl2 = KCl2 + BaI
K2FeO4 + K2SO3 + H2SO4 = Fe2(SO4)3 + K2SO4 + H2O =>
2 K2FeO4 + 3 K2SO3 + 5 H2SO4 = Fe2(SO4)3 + 5 K2SO4 + 5 H2O
Na2O + WO3 = NaWO3 + O2 =>
2 Na2O + 4 WO3 = 4 NaWO3 + O2
O2F2 = F + O2F =>
O2F2 = F + O2F
Na2O + WO3 = NaWO3 + O2 =>
2 Na2O + 4 WO3 = 4 NaWO3 + O2
HCl + KMnO4 + CaC2O4 = MnCl2 + CO2 + CaCl2 + KCl + H2O =>
16 HCl + 2 KMnO4 + 5 CaC2O4 = 2 MnCl2 + 10 CO2 + 5 CaCl2 + 2 KCl + 8 H2O
(NH4)3 + PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3 + 4 PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
CH3COOH + H2O3 = CH3COO + H2O =>
4 CH3COOH + H2O3 = 4 CH3COO + 3 H2O
FeOHCl2 + H2O = Fe(OH)3 + HCl =>
FeOHCl2 + 2 H2O = Fe(OH)3 + 2 HCl
Na2O + WO3 = NaWO3 + O2 =>
2 Na2O + 4 WO3 = 4 NaWO3 + O2
He + N2 = HeN2 =>
He + N2 = HeN2
H2S + FeCe2 = FeS + HCe =>
H2S + FeCe2 = FeS + 2 HCe
CH3COOH + H2O3 = CH3COO + H2O =>
4 CH3COOH + H2O3 = 4 CH3COO + 3 H2O
C2H4(OH)2 + KMnO4 = CO2 + H2O + K2O + MnO2 =>
3 C2H4(OH)2 + 10 KMnO4 = 6 CO2 + 9 H2O + 5 K2O + 10 MnO2
Zn + As = ZnAs =>
Zn + As = ZnAs
Ba(OH)2 + Na2HPO4 = Ba3(PO4)2 + Na(OH) + H2O =>
3 Ba(OH)2 + 2 Na2HPO4 = Ba3(PO4)2 + 4 Na(OH) + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C4H8 + Cl2 = C4H7Cl + HCl =>
C4H8 + Cl2 = C4H7Cl + HCl
Na2O + WO3 = NaWO3 + O2 =>
2 Na2O + 4 WO3 = 4 NaWO3 + O2
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
BaCl2 + Ca(OH)2 = CaCl2 + Ba(OH)2 =>
BaCl2 + Ca(OH)2 = CaCl2 + Ba(OH)2
CH3COOH + H2O3 = CH3COO + H2O =>
4 CH3COOH + H2O3 = 4 CH3COO + 3 H2O
H3O + OH = H2O =>
H3O + OH = 2 H2O
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