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4 Na2Cr2O7 + 3 H2S + 17 H2SO4 = 4 Cr2(SO4)3 + 8 NaHSO4 + 16 H2O
Pb(NO3)2 + CrBr2 = PbBr2Cr(NO3)2 =>
Pb(NO3)2 + CrBr2 = PbBr2Cr(NO3)2
Si4H10(i) + O2(g) = SiO2(s) + H2O(i) =>
2 Si4H10(i) + 13 O2(g) = 8 SiO2(s) + 10 H2O(i)
SO2 + NO3 = SO3 + NO =>
2 SO2 + NO3 = 2 SO3 + NO
Fe3O4 + Cl2 = FeCl2 + O2 =>
Fe3O4 + 3 Cl2 = 3 FeCl2 + 2 O2
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
HNO3 + Rh = Rh2O3 + NO2 + H2O =>
6 HNO3 + 2 Rh = Rh2O3 + 6 NO2 + 3 H2O
ClO{-} + Fe{2+} + H{+} = Fe{3+} + Cl2 + H2O =>
2 ClO{-} + 2 Fe{2+} + 4 H{+} = 2 Fe{3+} + Cl2 + 2 H2O
K2CrO4 + H2SO3 = Cr2(SO4)3 + KOH + H2O =>
2 K2CrO4 + 3 H2SO3 = Cr2(SO4)3 + 4 KOH + H2O
Au(NO3)3 + Zn = Au + Zn(NO3)2 =>
2 Au(NO3)3 + 3 Zn = 2 Au + 3 Zn(NO3)2
KCHO3(s) = K2CO3(s) + H2O(g) + CO2(g) =>
2 KCHO3(s) = K2CO3(s) + H2O(g) + CO2(g)
Mg(NO3)2 + ZnHCO3 = MgHCO3 + Zn(NO3)2 =>
Mg(NO3)2 + ZnHCO3 = MgHCO3 + Zn(NO3)2
S + I2 = SI =>
2 S + I2 = 2 SI
Na2O2(s) + H2O2(l) = NaOH(aq) + O2(g) =>
Na2O2(s) + H2O2(l) = 2 NaOH(aq) + O2(g)
S2O3{2-} + H{+} = SO2 + S8 + H2O =>
8 S2O3{2-} + 16 H{+} = 8 SO2 + S8 + 8 H2O
HNO3 + K = KNO3 + H2O + NO2 =>
2 HNO3 + K = KNO3 + H2O + NO2
CsOH + H3P = Cs3P + H2O =>
3 CsOH + H3P = Cs3P + 3 H2O
N2O5 = N2O4 + O2 =>
2 N2O5 = 2 N2O4 + O2
HClO4 + NaOH = Na(ClO4) + H2O =>
HClO4 + NaOH = Na(ClO4) + H2O
Br + NaOH = H2O + NaBr + NaBrO3 =>
6 Br + 6 NaOH = 3 H2O + 5 NaBr + NaBrO3
Sn{2+} + HgCl2 + Cl{-} = SnCl6{2-} + Hg2Cl2 =>
Sn{2+} + 2 HgCl2 + 4 Cl{-} = SnCl6{2-} + Hg2Cl2
HF + NaOH = NaF + H2O =>
HF + NaOH = NaF + H2O
K2S2O3 + H2SO4 = K2SO4 + H2O + S =>
3 K2S2O3 + H2SO4 = 3 K2SO4 + H2O + 4 S
CuI2 = Cu + I =>
CuI2 = Cu + 2 I
C18H35NaO2 + CaCl2 = C36H70CaO4 + NaCl =>
2 C18H35NaO2 + CaCl2 = C36H70CaO4 + 2 NaCl
ZnS + O2 = ZnOSO4 =>
2 ZnS + 5 O2 = 2 ZnOSO4
C3H8O + K2Cr2O7 = H2O + CO2 + K + Cr =>
7 C3H8O + 9 K2Cr2O7 = 28 H2O + 21 CO2 + 18 K + 18 Cr
Ag2S + HCl = Ag2Cl2 + H2S =>
Ag2S + 2 HCl = Ag2Cl2 + H2S
C7H5O2 + NO3 + H2O = N2 + HCO3 =>
C7H5O2 + 6 NO3 + H2O = 3 N2 + 7 HCO3
SnCl2 + O2 = SnO2 + Cl4O2 =>
2 SnCl2 + 3 O2 = 2 SnO2 + Cl4O2
N2O + H2O = NOH =>
N2O + H2O = 2 NOH
KMnO4 + C2H5OH + H2SO4 = MnSO4 + C2H4O + H2O + K2SO4 =>
2 KMnO4 + 5 C2H5OH + 3 H2SO4 = 2 MnSO4 + 5 C2H4O + 8 H2O + K2SO4
CH4(g) + O2 = CO2(g) + H2O(g) =>
CH4(g) + 2 O2 = CO2(g) + 2 H2O(g)
H6 + O8 = H2O =>
8 H6 + 3 O8 = 24 H2O
Na + SiO2 + HF = H2SiF + NaF + H2O =>
5 Na + SiO2 + 6 HF = H2SiF + 5 NaF + 2 H2O
CH3CH2OH + Cr2O7{2-} + H{+} = Cr{3+} + CH3CO2H + H2O =>
3 CH3CH2OH + 2 Cr2O7{2-} + 16 H{+} = 4 Cr{3+} + 3 CH3CO2H + 11 H2O
K2Cr2O7 + H2SO4 + C2H6O = H2O + K2SO4 + Cr2(SO4)3 + C2H4O =>
K2Cr2O7 + 4 H2SO4 + 3 C2H6O = 7 H2O + K2SO4 + Cr2(SO4)3 + 3 C2H4O
HBiO4 + Fe2O3 = Fe(BiO4)3 + H2O =>
6 HBiO4 + Fe2O3 = 2 Fe(BiO4)3 + 3 H2O
Si + CO2 = SiC + O2 =>
Si + CO2 = SiC + O2
Cu + HCl + H2O2 = H2O + CuCl =>
2 Cu + 2 HCl + H2O2 = 2 H2O + 2 CuCl
ZnS(s) + HNO3(aq) = H2S(aq) + Zn(NO3)2(aq) =>
ZnS(s) + 2 HNO3(aq) = H2S(aq) + Zn(NO3)2(aq)
Ba(HCO3)2 + NaHSO4 = BaSO4 + Na2SO4 + CO2 + H2O =>
Ba(HCO3)2 + 2 NaHSO4 = BaSO4 + Na2SO4 + 2 CO2 + 2 H2O
C3H6O3 + C2H6O = C4H8O2 + H2O =>
2 C3H6O3 + 3 C2H6O = 3 C4H8O2 + 3 H2O
LiNH2 + (NH4)2CO3 = Li2CO3 + NH4NH2 =>
2 LiNH2 + (NH4)2CO3 = Li2CO3 + 2 NH4NH2
Cs(s) + H2(g) = CsH2 =>
Cs(s) + H2(g) = CsH2
AlCl3 + NH4OH = NH4Cl + Al(OH)3 = Al(OH)3 =>
AlCl3 + 3 NH4OH = 3 NH4Cl + Al(OH)3
Mn + CaCO3 = MnO + CaC =>
3 Mn + CaCO3 = 3 MnO + CaC
H2 + FeCO3 = H2CO3 + Fe =>
H2 + FeCO3 = H2CO3 + Fe
Co(ClO3)2 + KOH = Co(OH)2 + K(ClO3) =>
Co(ClO3)2 + 2 KOH = Co(OH)2 + 2 K(ClO3)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
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