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K2Cr2O7 + H3AsO3 = K2AsO3 + H3Cr2O7
K2C2O4 + Ca3(AsO4)2 = K3AsO4 + CaC2O4 =>
3 K2C2O4 + Ca3(AsO4)2 = 2 K3AsO4 + 3 CaC2O4
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
H3 + Cl2 = H2Cl2 =>
2 H3 + 3 Cl2 = 3 H2Cl2
Zn + (NH4)2MoO4 + HCl = MoCl2 + ZnCl2 + NH4Cl + H2O =>
2 Zn + (NH4)2MoO4 + 8 HCl = MoCl2 + 2 ZnCl2 + 2 NH4Cl + 4 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C3H4O2 + Br2 = CH2CHCOOBr2 + HBr =>
2 C3H4O2 + 3 Br2 = 2 CH2CHCOOBr2 + 2 HBr
Ca(OH)2 + SO2 = Ca(SO3) + H2O =>
Ca(OH)2 + SO2 = Ca(SO3) + H2O
O2 + Cl2 = Cl2O5 =>
5 O2 + 2 Cl2 = 2 Cl2O5
CaH + HO = Ca(OH)2 + H2 =>
2 CaH + 4 HO = 2 Ca(OH)2 + H2
KOH + C8H5KO4 = C8H4K2O4 + H2O =>
KOH + C8H5KO4 = C8H4K2O4 + H2O
Ba(NO3)2 + Na3PO4 = Ba3(PO4)2 + NaNO3 =>
3 Ba(NO3)2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaNO3
O2 + Cl2 = Cl2O =>
O2 + 2 Cl2 = 2 Cl2O
CrOH3 + HClO4 + KOH = K2CrO4 + KCl + H2O =>
8 CrOH3 + 7 HClO4 + 23 KOH = 8 K2CrO4 + 7 KCl + 27 H2O
Al + CU(SO4)2 = Al2(SO4)3 + CU =>
4 Al + 3 CU(SO4)2 = 2 Al2(SO4)3 + 3 CU
SO3 + Al2O = Al2SO4 =>
SO3 + Al2O = Al2SO4
C3H4O2 + Br2 = CH2CHCOOBr2 + HBr =>
2 C3H4O2 + 3 Br2 = 2 CH2CHCOOBr2 + 2 HBr
NH4Br + KPO4 = NH4PO4 + KBr =>
NH4Br + KPO4 = NH4PO4 + KBr
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
ZnSO4 + PbO = ZnO + PbSO4 =>
ZnSO4 + PbO = ZnO + PbSO4
ZnS + O2 = ZnO3 + SO2 =>
2 ZnS + 5 O2 = 2 ZnO3 + 2 SO2
Al(NO3)3 + BaS = Al2S3 + Ba(NO3)2 =>
2 Al(NO3)3 + 3 BaS = Al2S3 + 3 Ba(NO3)2
CaOCl2 + NH3 = CaCl2 + H2O + N2 =>
3 CaOCl2 + 2 NH3 = 3 CaCl2 + 3 H2O + N2
KNO3 + PbI2 = KI + Pb(NO3)2 =>
2 KNO3 + PbI2 = 2 KI + Pb(NO3)2
C6H5OH + I2 = C6H5OI + H2 =>
2 C6H5OH + I2 = 2 C6H5OI + H2
C2H5COOH + PCl5 = C2H5COOHP + Cl =>
C2H5COOH + PCl5 = C2H5COOHP + 5 Cl
Ca + S = Ca3S4 =>
3 Ca + 4 S = Ca3S4
CaCl2(s) + H2O(l) = CaO + HCl(l) =>
CaCl2(s) + H2O(l) = CaO + 2 HCl(l)
O2 + Cl2 = Cl2O7 =>
7 O2 + 2 Cl2 = 2 Cl2O7
CuCO3 + HNO3 = Cu(NO3)2 + H2O + CO2 =>
CuCO3 + 2 HNO3 = Cu(NO3)2 + H2O + CO2
Mn + HNO3 = Mn(NO3)3 + NO + H2O =>
Mn + 4 HNO3 = Mn(NO3)3 + NO + 2 H2O
KMnO4 + H2SO4 + SnCl2 = Sn(SO4)2 + MnSO4 + KCl + SnCl4 + H2O =>
2 KMnO4 + 8 H2SO4 + 5 SnCl2 = 3 Sn(SO4)2 + 2 MnSO4 + 2 KCl + 2 SnCl4 + 8 H2O
C4H9O2 + C3H6MgBr + HCl = C7H16O + MgBrCl + H2O =>
7 C4H9O2 + 21 C3H6MgBr + 21 HCl = 13 C7H16O + 21 MgBrCl + H2O
Mg2 + C2H4O2 = Mg(C2H3O2)2 + H =>
Mg2 + 4 C2H4O2 = 2 Mg(C2H3O2)2 + 4 H
NH4Cl + K2(HgBr2I2) + KOH = HgOHg(NH2)I + KCl + KBr + KI + H2O =>
NH4Cl + 2 K2(HgBr2I2) + 4 KOH = HgOHg(NH2)I + KCl + 4 KBr + 3 KI + 3 H2O
CuO + NaClO = Cu2O3 + NaCl =>
2 CuO + NaClO = Cu2O3 + NaCl
SBr6 = S8 + Br2 =>
8 SBr6 = S8 + 24 Br2
Na2HSO4 + H2SO4 = Na2SO4 + H2O + SO2 =>
2 Na2HSO4 + H2SO4 = 2 Na2SO4 + 2 H2O + SO2
H2O2(aq) + HSO3(aq) = HSO4(aq) + H2O(l) =>
H2O2(aq) + HSO3(aq) = HSO4(aq) + H2O(l)
C7H6O3 + NaOH = NaC7H5O3 + H2O =>
C7H6O3 + NaOH = NaC7H5O3 + H2O
Cr2O7 + OH = CrO4 + H =>
Cr2O7 + OH = 2 CrO4 + H
K2O + Ba(OH)2 = BaO + KOH =>
K2O + Ba(OH)2 = BaO + 2 KOH
KH2PO4 + NaCl = KH2Cl + NaPO4 =>
KH2PO4 + NaCl = KH2Cl + NaPO4
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
K2CO3 + Ca(OH)2 = KOH + CaCO3 =>
K2CO3 + Ca(OH)2 = 2 KOH + CaCO3
FeCl3 + CH3COONa + H2O = FeOH(CH3COO)2 + NaCl + CH3COOH =>
FeCl3 + 3 CH3COONa + H2O = FeOH(CH3COO)2 + 3 NaCl + CH3COOH
GeS2 + O2 = GeO2 + SO2 =>
GeS2 + 3 O2 = GeO2 + 2 SO2
Cr(NO3)3 + NaOH = Cr(OH)3 + NaNO3 =>
Cr(NO3)3 + 3 NaOH = Cr(OH)3 + 3 NaNO3
Mg(s) + OH(g) = MgOH =>
Mg(s) + OH(g) = MgOH
HNO2 + KMnO4 + KOH = KNO3 + MnO2 + H2O =>
3 HNO2 + 2 KMnO4 + KOH = 3 KNO3 + 2 MnO2 + 2 H2O
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