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2 NH3 + O3 = [NH4]NO2 + H2O
P4 + S8 = PS =>
2 P4 + S8 = 8 PS
NaOH + O2 = Na2O2 + H2O =>
4 NaOH + O2 = 2 Na2O2 + 2 H2O
Pb + CH3COOH + H2O2 = (CH3COO)2Pb + H2O =>
Pb + 2 CH3COOH + H2O2 = (CH3COO)2Pb + 2 H2O
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
NaH2C6H5O7 + NaOH = Na4C6H4O7 + H2O =>
NaH2C6H5O7 + 3 NaOH = Na4C6H4O7 + 3 H2O
Bi2S3 + HNO3 = H2O + Bi(NO3)2 + S + NO2 =>
Bi2S3 + 8 HNO3 = 4 H2O + 2 Bi(NO3)2 + 3 S + 4 NO2
W + U + H2O = W2UOH + H =>
2 W + U + H2O = W2UOH + H
AlBr3(aq) + H3PO4(aq) = AlPO4 + HBr =>
AlBr3(aq) + H3PO4(aq) = AlPO4 + 3 HBr
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
C2H5OH + C7H6O2 = C9H10O2 + H2O =>
C2H5OH + C7H6O2 = C9H10O2 + H2O
I2 = I3 =>
3 I2 = 2 I3
HgO(s) = Hg(l) + O2(g) =>
2 HgO(s) = 2 Hg(l) + O2(g)
H3AsO4 + NaOH = NaH2AsO4 + H2O =>
H3AsO4 + NaOH = NaH2AsO4 + H2O
Zn + KNO3 + S = K2S + ZnO + N2 =>
6 Zn + 2 KNO3 + S = K2S + 6 ZnO + N2
NaO + CaO2 = NaCa + O2 =>
2 NaO + 2 CaO2 = 2 NaCa + 3 O2
Cr + Pb(NO3)2 = Cr(NO3)2 + Pb =>
Cr + Pb(NO3)2 = Cr(NO3)2 + Pb
Ag + HgSO4 = Hg + Ag2SO4 =>
2 Ag + HgSO4 = Hg + Ag2SO4
Ho(NO3)3 + K2CrO4 = KNO3 + Ho2(CrO4)3 =>
2 Ho(NO3)3 + 3 K2CrO4 = 6 KNO3 + Ho2(CrO4)3
Hg + Na2SO4 = Na2 + HgSO4 =>
Hg + Na2SO4 = Na2 + HgSO4
Mg(NO3)2 + NaOH = Mg(OH)2 + Na + NO3 =>
Mg(NO3)2 + 2 NaOH = Mg(OH)2 + 2 Na + 2 NO3
SO2 + P2O5 = P2SO7 =>
SO2 + P2O5 = P2SO7
calciumacetate + ammoniumsulfide = calciumsulfide + ammoniumacetate =>
Ca(CH3CO2)2 + (NH4)2S = CaS + 2 NH4CH3CO2
Al2(CO3)3 + H2O = Al(OH)3 + CO2 =>
Al2(CO3)3 + 3 H2O = 2 Al(OH)3 + 3 CO2
calciumacetate + ammoniumsulfide = calciumsulfide + ammoniumacetate =>
Ca(CH3CO2)2 + (NH4)2S = CaS + 2 NH4CH3CO2
Cl2 + KOH = KCl + ClO3 + H2O =>
7 Cl2 + 12 KOH = 12 KCl + 2 ClO3 + 6 H2O
KHCO3 = K2CO3CO2H2O =>
2 KHCO3 = K2CO3CO2H2O
C5H6O2 = CO + H2O + C7H8 =>
11 C5H6O2 = 13 CO + 9 H2O + 6 C7H8
Na2CrO4 + NaBr + H2O = NaCr2O2 + Br2 + NaOH =>
4 Na2CrO4 + 18 NaBr + 12 H2O = 2 NaCr2O2 + 9 Br2 + 24 NaOH
FeSO3 + KMnO4 + H2O = MnO2 + FeSO4 + KOH =>
3 FeSO3 + 2 KMnO4 + H2O = 2 MnO2 + 3 FeSO4 + 2 KOH
Ag + H3PO4 = Ag3PO4 + H2 =>
6 Ag + 2 H3PO4 = 2 Ag3PO4 + 3 H2
SrCl2 + K3PO4 = Sr3(PO4)2 + KCl =>
3 SrCl2 + 2 K3PO4 = Sr3(PO4)2 + 6 KCl
NH4ClO4 + C4H6 = CO2 + H2O + N2 + HCl =>
22 NH4ClO4 + 5 C4H6 = 20 CO2 + 48 H2O + 11 N2 + 22 HCl
CrO3 + PbO2 = PbO + CrO4 =>
CrO3 + PbO2 = PbO + CrO4
H2NO3 + H2O = H3O + NO3 =>
H2NO3 + 2 H2O = 2 H3O + NO3
CH3COONa + CuSO4 + AcAcH = CH3COOH + Na2SO4 + Cu(AcAc)2 =>
2 CH3COONa + CuSO4 + 2 AcAcH = 2 CH3COOH + Na2SO4 + Cu(AcAc)2
Pb(s) + H2O(l) + O2(g) = PbO2H2(s) =>
2 Pb(s) + 2 H2O(l) + O2(g) = 2 PbO2H2(s)
CH3CH2Br + NaOH = C2H6 + NaBr + O2 =>
2 CH3CH2Br + 2 NaOH = 2 C2H6 + 2 NaBr + O2
Ca(OH)2(aq) + Na2CO3(aq) = CaCO3(aq) + NaOH(aq) =>
Ca(OH)2(aq) + Na2CO3(aq) = CaCO3(aq) + 2 NaOH(aq)
S6 + HNO3 = H2SO4 + NO2 + H2O =>
S6 + 36 HNO3 = 6 H2SO4 + 36 NO2 + 12 H2O
C30H66 + O2 = CO2 + H2O =>
2 C30H66 + 93 O2 = 60 CO2 + 66 H2O
Sr(OH)2 + (NH4)2S = NH3 + H2O + SrS =>
Sr(OH)2 + (NH4)2S = 2 NH3 + 2 H2O + SrS
B + KNO2 + KOH = K3BO3 + NH3 + H2O =>
2 B + KNO2 + 5 KOH = 2 K3BO3 + NH3 + H2O
H2O + CO2 = C7H8 + O2 =>
4 H2O + 7 CO2 = C7H8 + 9 O2
NaOH(aq) + Fe2(SO4)3(aq) = Fe(OH)3 + Na2SO4(aq) =>
6 NaOH(aq) + Fe2(SO4)3(aq) = 2 Fe(OH)3 + 3 Na2SO4(aq)
CH3CH(NH2)CH2COOH + CH3CH2NH2 = CH3CH(NH2)CH2COONHCH2CH3 + H2 =>
CH3CH(NH2)CH2COOH + CH3CH2NH2 = CH3CH(NH2)CH2COONHCH2CH3 + H2
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
FeBr3 + K2S = FeS + K2Br3 =>
FeBr3 + K2S = FeS + K2Br3
Zn{2+} + NH4OH = Zn(OH)4{2-} + NH4{+} =>
Zn{2+} + 4 NH4OH = Zn(OH)4{2-} + 4 NH4{+}
Ca(CH3CO2)2 + (NH4)2S = CaS + NH4CH3CO2 =>
Ca(CH3CO2)2 + (NH4)2S = CaS + 2 NH4CH3CO2
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