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H2SO4 + 2 HBr = SO2 + 2 Br + 2 H2O
MnO2Na2MnO4 + H2O = NaMnO4 + MnO2 + NaOH =>
3 MnO2Na2MnO4 + 2 H2O = 2 NaMnO4 + 4 MnO2 + 4 NaOH
PbCl4 + Al = AlCl3 + Pb =>
3 PbCl4 + 4 Al = 4 AlCl3 + 3 Pb
SO3 + HCl = Cl + SO2 + H2O =>
SO3 + 2 HCl = 2 Cl + SO2 + H2O
Pb + Ca3(PO4)2 = Pb3(PO4)4 + Ca =>
3 Pb + 2 Ca3(PO4)2 = Pb3(PO4)4 + 6 Ca
KOH + C4H6O5 = C4H4K2O5 + H2O =>
2 KOH + C4H6O5 = C4H4K2O5 + 2 H2O
CC6H12 + O2 = CO2 + H2O =>
CC6H12 + 10 O2 = 7 CO2 + 6 H2O
NH4Cl + NaNO2 = NaClN2 + H2O =>
NH4Cl + NaNO2 = NaClN2 + 2 H2O
Ba(OH)2 + HF(g) = BaF2 + H2O(l) =>
Ba(OH)2 + 2 HF(g) = BaF2 + 2 H2O(l)
Mg(NO3)2(aq) + K2CrO4(aq) = MgCrO4 + KNO3 =>
Mg(NO3)2(aq) + K2CrO4(aq) = MgCrO4 + 2 KNO3
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
(CH3)3N = CH3 + N =>
(CH3)3N = 3 CH3 + N
HF + Sr(OH)2 = HOH + SrF2 =>
2 HF + Sr(OH)2 = 2 HOH + SrF2
HCNO + KOH = KCNO + H2O =>
HCNO + KOH = KCNO + H2O
Y(IO4)3 + Pt(SeO3)2 = Pt(IO4)4 + Y2(SeO3)3 =>
4 Y(IO4)3 + 3 Pt(SeO3)2 = 3 Pt(IO4)4 + 2 Y2(SeO3)3
Ba(Cl)2 + H2O = Ba(OH)2 + HCl =>
Ba(Cl)2 + 2 H2O = Ba(OH)2 + 2 HCl
BiCl3 + O2 = Bi(ClO3)3 =>
2 BiCl3 + 9 O2 = 2 Bi(ClO3)3
SO2 + Na2CO3 = Na2SO3 + CO2 =>
SO2 + Na2CO3 = Na2SO3 + CO2
Al2O3 + Pb = Al + Pb2O3 =>
Al2O3 + 2 Pb = 2 Al + Pb2O3
CH3COOH + Mg(OH)2 = (CH3COO)2Mg + H2O =>
2 CH3COOH + Mg(OH)2 = (CH3COO)2Mg + 2 H2O
Fe(III) + HNO3 = Fe(III)NO3 + H =>
Fe(III) + HNO3 = Fe(III)NO3 + H
Fe(OH)2NO3 + HNO3 = FeNO3 + H(OH)NO3 =>
Fe(OH)2NO3 + 2 HNO3 = FeNO3 + 2 H(OH)NO3
BaCl2 + MgSO4 = BaMg + Cl2SO4 =>
BaCl2 + MgSO4 = BaMg + Cl2SO4
S6 + O2 = SO3 =>
S6 + 9 O2 = 6 SO3
SnCl2 + Zn = Sn2 + ZnCl2 =>
2 SnCl2 + 2 Zn = Sn2 + 2 ZnCl2
CuO + AgNO3 = CuNO3 + AgO =>
CuO + AgNO3 = CuNO3 + AgO
C2H6 + CI2 = C4H9I + HI =>
8 C2H6 + 4 CI2 = 5 C4H9I + 3 HI
Cr(NO3)3 + NH4OH = Cr(OH)3 + NH4(NO3) =>
Cr(NO3)3 + 3 NH4OH = Cr(OH)3 + 3 NH4(NO3)
C6H13NO5HCl + C8H8O2 + NaOH = C14H19NO6 + H2O + NaCl =>
C6H13NO5HCl + C8H8O2 + NaOH = C14H19NO6 + 2 H2O + NaCl
CH4 + O2 = C + H2O =>
CH4 + O2 = C + 2 H2O
Na2O2 + H2SO3 = Na2SO4 + H2O =>
Na2O2 + H2SO3 = Na2SO4 + H2O
Mg(s) + HBr(aq) = MgBr2(aq) + H2(g) =>
Mg(s) + 2 HBr(aq) = MgBr2(aq) + H2(g)
C5H5NO2 + O2 = CO2 + H2O + NO2 =>
4 C5H5NO2 + 25 O2 = 20 CO2 + 10 H2O + 4 NO2
K2HPO4 = K + HPO4 =>
K2HPO4 = 2 K + HPO4
SnO2 + KOH = K2O3Sn + H2O =>
SnO2 + 2 KOH = K2O3Sn + H2O
HCl + Zn = H2 + ZnCl2 =>
2 HCl + Zn = H2 + ZnCl2
HSO3F + KOH = KHF2 + SO3 + H2SO4 =>
2 HSO3F + KOH = KHF2 + SO3 + H2SO4
CH3CO2H + NH3 = CH3CO2NH4 =>
CH3CO2H + NH3 = CH3CO2NH4
Ga(OH)3 + Hg2Cl2 = Hg2(OH)2 + GaCl3 =>
2 Ga(OH)3 + 3 Hg2Cl2 = 3 Hg2(OH)2 + 2 GaCl3
NaNO2 + KMnO4 + H2O = MnO2 + NO2 + NaOH + KOH =>
3 NaNO2 + KMnO4 + 2 H2O = MnO2 + 3 NO2 + 3 NaOH + KOH
XCl2(aq) + AgNO3(aq) = X(NO3)2(aq) + AgCl(aq) =>
XCl2(aq) + 2 AgNO3(aq) = X(NO3)2(aq) + 2 AgCl(aq)
C2H5OH + O2 = CH3COOH + H2O =>
C2H5OH + O2 = CH3COOH + H2O
HCOOH + ZnO = (HCOOH)2Zn + CO2 + H2O =>
3 HCOOH + ZnO = (HCOOH)2Zn + CO2 + H2O
Na2SO4(s) + C2(s) = Na2S(s) + CO2(g) =>
Na2SO4(s) + C2(s) = Na2S(s) + 2 CO2(g)
V + O = V2O5 =>
2 V + 5 O = V2O5
Pb + Ca3(PO4)2 = Pb3(PO4)4 + Ca =>
3 Pb + 2 Ca3(PO4)2 = Pb3(PO4)4 + 6 Ca
NiO + Al2O3 = NiAl2O4 =>
NiO + Al2O3 = NiAl2O4
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
Cr(s) + NiSO4(aq) = Ni(s) + Cr2SO4(aq) =>
2 Cr(s) + NiSO4(aq) = Ni(s) + Cr2SO4(aq)
(Ca)2{+} + (CO3)2{-} = CaCO3 =>
(Ca)2{+} + (CO3)2{-} = 2 CaCO3
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