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2 H2 + O2 = 2 H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Cr2O3(s) + KOH(l) + KNO3(l) = K2CrO4(s) + KNO2(s) + H2O(g) =>
Cr2O3(s) + 4 KOH(l) + 3 KNO3(l) = 2 K2CrO4(s) + 3 KNO2(s) + 2 H2O(g)
BaO + HCl = BaH + ClO =>
BaO + HCl = BaH + ClO
LiOH + HCO3 = LiCO3 + H2O =>
LiOH + HCO3 = LiCO3 + H2O
SO2 + O2 + H2O = H2SO4 =>
2 SO2 + O2 + 2 H2O = 2 H2SO4
K2CrO7 + KI + H2SO4 = K2SO4 + I2 + Cr2(SO4)3 + H2O =>
2 K2CrO7 + 18 KI + 14 H2SO4 = 11 K2SO4 + 9 I2 + Cr2(SO4)3 + 14 H2O
Ai2O = Ai + O2 =>
2 Ai2O = 4 Ai + O2
C + S8 = CS2 =>
4 C + S8 = 4 CS2
SiO2 + C = CO + SiC =>
SiO2 + 3 C = 2 CO + SiC
AgNO3 + (CH3COO)2Ca = (CH3COO)Ag + Ca(NO3)2 =>
2 AgNO3 + (CH3COO)2Ca = 2(CH3COO)Ag + Ca(NO3)2
Na2S(aq) + HNO3(aq) = H2S(aq) + NaNO3(aq) =>
Na2S(aq) + 2 HNO3(aq) = H2S(aq) + 2 NaNO3(aq)
Fe3 + H2O = Fe3O4 + H2 =>
Fe3 + 4 H2O = Fe3O4 + 4 H2
NaHSO4 + Na2O = NaOH + Na2SO4 =>
NaHSO4 + Na2O = NaOH + Na2SO4
Na2S + CuSO4 = CuS + Na2SO4 =>
Na2S + CuSO4 = CuS + Na2SO4
C4H10 + Cl2 = C4Cl10 + HCl =>
C4H10 + 10 Cl2 = C4Cl10 + 10 HCl
NaOH + Li2CO3 = NaCO3 + Li2OH =>
NaOH + Li2CO3 = NaCO3 + Li2OH
Zn(CH3COO)2 + Na2S2O3 + H2O = ZnS + NaCH3COO + SO2 + NaOH =>
2 Zn(CH3COO)2 + 3 Na2S2O3 + H2O = 2 ZnS + 4 NaCH3COO + 4 SO2 + 2 NaOH
Cu + HNO2 = Cu2NO3 + NO + H2O =>
2 Cu + 4 HNO2 = Cu2NO3 + 3 NO + 2 H2O
Cl2O(g) + H2O(l) = HClO(g) =>
Cl2O(g) + H2O(l) = 2 HClO(g)
PbO2 + Sb + NaOH = NaSbO2 + PbO + H2O =>
3 PbO2 + 2 Sb + 2 NaOH = 2 NaSbO2 + 3 PbO + H2O
HOCH2CH2OH + KMnO4 + H2SO4 = HOCCOH + MnSO4 + H2O + KSO4 =>
HOCH2CH2OH + KMnO4 + 2 H2SO4 = HOCCOH + MnSO4 + 4 H2O + KSO4
AlCl3 + Na2S2O3 = NaCl + S + SO2 + Al2O3 =>
2 AlCl3 + 3 Na2S2O3 = 6 NaCl + 3 S + 3 SO2 + Al2O3
AgNO3 + CO = Ag + CO2 + NO2 =>
AgNO3 + CO = Ag + CO2 + NO2
Na2C2O4 + H2O = NaOH + H2C2O4 =>
Na2C2O4 + 2 H2O = 2 NaOH + H2C2O4
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
K2Cr2O7 + H2SO4 + NaNO2 = Cr2(SO4)3 + NaNO3 + K2SO4 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 NaNO2 = Cr2(SO4)3 + 3 NaNO3 + K2SO4 + 4 H2O
Li2CO3 + HCl = LiCl + CO2 + H2O =>
Li2CO3 + 2 HCl = 2 LiCl + CO2 + H2O
CaO + CO2 = CaCO3 =>
CaO + CO2 = CaCO3
C12H16O2 + NaOH = H2O + C12H15O2Na =>
C12H16O2 + NaOH = H2O + C12H15O2Na
C5H10O2(i) + O2(g) = CO2(g) + H2O(g) =>
2 C5H10O2(i) + 13 O2(g) = 10 CO2(g) + 10 H2O(g)
HIO3 = HIO4 + IO2 + H2O =>
3 HIO3 = HIO4 + 2 IO2 + H2O
NO2 + Br2 + H2O = HNO3 + HBr =>
2 NO2 + Br2 + 2 H2O = 2 HNO3 + 2 HBr
AlCl3 + NaCl = NaAlCl4 =>
AlCl3 + NaCl = NaAlCl4
GaS + O2 = GaO + SO =>
GaS + O2 = GaO + SO
NaHCO3(aq) + AgNO3(aq) = AgHCO3(s) + NaNO3(aq) =>
NaHCO3(aq) + AgNO3(aq) = AgHCO3(s) + NaNO3(aq)
C10H16 + Cl2 = C + HCl2 =>
C10H16 + 16 Cl2 = 10 C + 16 HCl2
Pb2O4 + CaCl2 = PbCl4 + Ca2O2 =>
Pb2O4 + 4 CaCl2 = 2 PbCl4 + 2 Ca2O2
Na2Mg3Al2Si8O22(OH)2 + CaAl2Si2O8*H2O = NaAlSi3O8 + Mg5Al2Si3O10(OH)8 + Ca2Al3Si3O12(OH) + SiO2 + H2O =>
5 Na2Mg3Al2Si8O22(OH)2 + 12 CaAl2Si2O8*H2O = 10 NaAlSi3O8 + 3 Mg5Al2Si3O10(OH)8 + 6 Ca2Al3Si3O12(OH) + 7 SiO2 + 2 H2O
CaCO3 + HF = CaF2 + CO2 + H2O =>
CaCO3 + 2 HF = CaF2 + CO2 + H2O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
NaI + Cl2 + HCCl3 = NaCl + HI + CCl4 =>
NaI + Cl2 + HCCl3 = NaCl + HI + CCl4
Ag + H2 = Ag2H =>
4 Ag + H2 = 2 Ag2H
Al4C3(s) + H2O(l) = Al(OH)3(s) + CH4(g) =>
Al4C3(s) + 12 H2O(l) = 4 Al(OH)3(s) + 3 CH4(g)
MnO4{-} + Mn{-} + H{+} = MnO2 + H2O =>
5 MnO4{-} + 3 Mn{-} + 8 H{+} = 8 MnO2 + 4 H2O
Cr(CO3)3 = Cr(O)3 + CO2 =>
Cr(CO3)3 = Cr(O)3 + 3 CO2
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