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2 NO2{-} + 2 I{-} + 4 H{+} = I2 + 2 NO + 2 H2O
CH3CH2COOCH3 + NaOH = CH3CH2CH2COONa + H2O =>
CH3CH2COOCH3 + NaOH = CH3CH2CH2COONa + H2O
MnO2 + KNO3 + KOH = K2MnO4 + KNO2H2O =>
MnO2 + KNO3 + 2 KOH = K2MnO4 + KNO2H2O
Br + H3AsO4 = As4 + HBrO2 + H2O =>
20 Br + 12 H3AsO4 = 3 As4 + 20 HBrO2 + 8 H2O
H2Cr2O7 + HI = CrI3 + I2 + H2O =>
H2Cr2O7 + 12 HI = 2 CrI3 + 3 I2 + 7 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Au + HNO3 + HCl = HAuCl4 + NO + H2O =>
Au + HNO3 + 4 HCl = HAuCl4 + NO + 2 H2O
Fe + Na2S2O3 = Fe2(S2O3)3 + Na =>
2 Fe + 3 Na2S2O3 = Fe2(S2O3)3 + 6 Na
BeCl2 + Na(OH)2 = Be(OH)2 + NaCl2 =>
BeCl2 + Na(OH)2 = Be(OH)2 + NaCl2
U{4+} + Br2 + OH{-} = UO2{2+} + Br{-} + H2O =>
U{4+} + Br2 + 4 OH{-} = UO2{2+} + 2 Br{-} + 2 H2O
C8H18 + OH{-} + O2 = H2O + CO3{-2} =>
2 C8H18 + 32 OH{-} + 25 O2 = 34 H2O + 16 CO3{-2}
Hf + N2 = Hf3N4 =>
3 Hf + 2 N2 = Hf3N4
(a)CaSO4(s) = CaO(s) + SO3(g) =>
(a)CaSO4(s) = CaO(s) + SO3(g)
NH3NaOCl = NaOHNH2Cl =>
NH3NaOCl = NaOHNH2Cl
C8H18 + OH{-} + O2 = H2O + CO3{-2} =>
2 C8H18 + 32 OH{-} + 25 O2 = 34 H2O + 16 CO3{-2}
NH4(OCN) = CH4N2O =>
NH4(OCN) = CH4N2O
N + NaOH = NH2 + NaO =>
N + 2 NaOH = NH2 + 2 NaO
H2S + Pb = PbS2 + H2 =>
2 H2S + Pb = PbS2 + 2 H2
Al2(SO4)3 + NH3 = Al + (NH3)SO4 =>
Al2(SO4)3 + 3 NH3 = 2 Al + 3(NH3)SO4
Na2[Be(OH)4] = Be(OH)2 + NaOH =>
Na2[Be(OH)4] = Be(OH)2 + 2 NaOH
HgCl2 + Zn = ZnCl2 + Hg2 =>
2 HgCl2 + 2 Zn = 2 ZnCl2 + Hg2
Zn(NO3)2 + HCl = ZnCl2 + (HNO3) =>
Zn(NO3)2 + 2 HCl = ZnCl2 + 2(HNO3)
CO2Ca(OH)2 = Ca(OH)2CO2 =>
CO2Ca(OH)2 = Ca(OH)2CO2
HCN + O3 = N2 + CO2 + H2O =>
6 HCN + 5 O3 = 3 N2 + 6 CO2 + 3 H2O
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
Fe(OH)2 + H2(CH3COO) = Fe(CH3COO) + H2(OH)2 =>
Fe(OH)2 + H2(CH3COO) = Fe(CH3COO) + H2(OH)2
S + O3 = SO2 =>
3 S + 2 O3 = 3 SO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
CuSO4 + NaHCO3 = Cu2(OH)2CO3 + Na2SO4 + CO2 + H2O =>
2 CuSO4 + 4 NaHCO3 = Cu2(OH)2CO3 + 2 Na2SO4 + 3 CO2 + H2O
BiCl3 + SnCl2 = Bi + SnCl4 =>
2 BiCl3 + 3 SnCl2 = 2 Bi + 3 SnCl4
Sb2S3 + O2 = Sb + SO2 =>
Sb2S3 + 3 O2 = 2 Sb + 3 SO2
Al + H{+} = Al{+} + H2 =>
2 Al + 2 H{+} = 2 Al{+} + H2
HCl + CaHCO3 = CaCl + CO2 + H2O =>
HCl + CaHCO3 = CaCl + CO2 + H2O
H4P2O7 + Li = Li(P2O7) + H =>
H4P2O7 + Li = Li(P2O7) + 4 H
CoCl2 + CH3COONa + H2O = Co(OH)2 + CH3COOH + NaCl =>
CoCl2 + 2 CH3COONa + 2 H2O = Co(OH)2 + 2 CH3COOH + 2 NaCl
FeO2 = Fe + O =>
FeO2 = Fe + 2 O
Mg + CIO4 = Mg(CIO4)2 =>
Mg + 2 CIO4 = Mg(CIO4)2
CaClKPO4 = KClCaPO4 =>
CaClKPO4 = KClCaPO4
KOH + NH4Cl = KCl + NH4OH = KCl + NH3 + H2O =>
KOH + NH4Cl = KCl + NH4OH
KNO3 + H2SO4 = HNO3 + KHSO4 =>
KNO3 + H2SO4 = HNO3 + KHSO4
HNO3 + H2SO4 = SO4 + NO2 + H2O =>
2 HNO3 + H2SO4 = SO4 + 2 NO2 + 2 H2O
CuS + H(NO3) = Cu(SO4) + NO + H2O =>
3 CuS + 8 H(NO3) = 3 Cu(SO4) + 8 NO + 4 H2O
A1F3 = A + F2 =>
2 A1F3 = 2 A + 3 F2
FeCl2 = Fe + Cl2 =>
FeCl2 = Fe + Cl2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Bi(NO3)3 + Fe(NO3)3 + Na2S = BiFeS3 + NaNO3 =>
Bi(NO3)3 + Fe(NO3)3 + 3 Na2S = BiFeS3 + 6 NaNO3
LiOH + Cu = Cu(OH)2 + Li =>
2 LiOH + Cu = Cu(OH)2 + 2 Li
HBr(aq) + Na2S(aq) = H2S + NaBr =>
2 HBr(aq) + Na2S(aq) = H2S + 2 NaBr
C5H7O3 + O2 = CO2 + H2O =>
4 C5H7O3 + 21 O2 = 20 CO2 + 14 H2O
Zn + Cr2O3 = ZnO + Cr3 =>
9 Zn + 3 Cr2O3 = 9 ZnO + 2 Cr3
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