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2 HgS + Si = 2 Hg + S2Si
CH3CH2 + Cl2 = CH3CH(Cl)CH3 + HCl =>
6 CH3CH2 + 3 Cl2 = 4 CH3CH(Cl)CH3 + 2 HCl
HCOOH + Ca(OH)2 = HCOO + Ca + H2O =>
2 HCOOH + Ca(OH)2 = 2 HCOO + Ca + 2 H2O
Fe3O4 + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 Fe3O4 + 10 H2SO4 = 3 Fe2(SO4)3 + 10 H2O + SO2
H2Cl + Ca(OH)2 = CaCl + H2O =>
H2Cl + Ca(OH)2 = CaCl + 2 H2O
NaOAc + H2O = NaOH + HOAc =>
NaOAc + H2O = NaOH + HOAc
KClO + PH3 + KOH = KCl + K3PO4 + H2O =>
4 KClO + PH3 + 3 KOH = 4 KCl + K3PO4 + 3 H2O
Na2SO4 + HOH = NaOH + H2SO4 =>
Na2SO4 + 2 HOH = 2 NaOH + H2SO4
(Ba)2 + (SO4)2 = BaSO4 =>
(Ba)2 + (SO4)2 = 2 BaSO4
MgO + NO3 = Mg(NO3)2 + O2 =>
2 MgO + 4 NO3 = 2 Mg(NO3)2 + O2
KMnO4 + HCl + KHSO3 + KCl = MnCl2 + H2O + K2SO4 =>
2 KMnO4 + HCl + 5 KHSO3 + 3 KCl = 2 MnCl2 + 3 H2O + 5 K2SO4
Fe(SCN)3 + K2Cr2O7 + HCl = FeCl3 + CrCl3 + KCl + CO2 + SO2 + N2 + H2O =>
2 Fe(SCN)3 + 9 K2Cr2O7 + 78 HCl = 2 FeCl3 + 18 CrCl3 + 18 KCl + 6 CO2 + 6 SO2 + 3 N2 + 39 H2O
SiO2 + CaF2 + H2SO4 = H2SiF6 + CaSO4 + H2O =>
SiO2 + 3 CaF2 + 3 H2SO4 = H2SiF6 + 3 CaSO4 + 2 H2O
Bi2O3 + NaClO2 + NaOH = NaBiO3 + NaCl + H2O =>
Bi2O3 + NaClO2 + 2 NaOH = 2 NaBiO3 + NaCl + H2O
Na2CO3 + Ca(OH)2 = CaCO3 + NaOH =>
Na2CO3 + Ca(OH)2 = CaCO3 + 2 NaOH
C6H15O3N + H2O = C6H15O3NH + OH =>
C6H15O3N + H2O = C6H15O3NH + OH
Ca(MnO4)2 + KOH = K(MnO4)2 + CaOH =>
Ca(MnO4)2 + KOH = K(MnO4)2 + CaOH
Al2(SO4)3 + C5H8O2 + NH3 = Al(C5H7O2)3 + (NH4)2SO4 =>
Al2(SO4)3 + 6 C5H8O2 + 6 NH3 = 2 Al(C5H7O2)3 + 3(NH4)2SO4
CH3CH2CH(Cl)COOH + NH3 = CH3CH2CH(NH2)COOH + NH4Cl =>
CH3CH2CH(Cl)COOH + 2 NH3 = CH3CH2CH(NH2)COOH + NH4Cl
C2H4O + Cr2O72{-} + H{+} = C2H4O2 + Cr3{+} + H2O =>
427 C2H4O + 6 Cr2O72{-} + 10 H{+} = 427 C2H4O2 + 4 Cr3{+} + 5 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C + H2 = CH4 =>
C + 2 H2 = CH4
CO2 + Ca(OH)2 = H2O + CaCO3 =>
CO2 + Ca(OH)2 = H2O + CaCO3
Zn(NO3)2 + Al = Al(NO3)3 + Zn2 =>
6 Zn(NO3)2 + 4 Al = 4 Al(NO3)3 + 3 Zn2
Ni(NO3)2(aq) + K2CrO4(aq) = NiCrO4(s) + KNO3(aq) =>
Ni(NO3)2(aq) + K2CrO4(aq) = NiCrO4(s) + 2 KNO3(aq)
H2 + Cl2O7 = H2Cl2O7 =>
H2 + Cl2O7 = H2Cl2O7
SO + LiSe = SSe2 + Li2O =>
SO + 2 LiSe = SSe2 + Li2O
Fe2O3 + Zn(OH)2 = Fe(OH)3 + ZnO =>
Fe2O3 + 3 Zn(OH)2 = 2 Fe(OH)3 + 3 ZnO
MnO4 + V = Mn + VO =>
MnO4 + 4 V = Mn + 4 VO
Pb2 + I = I2Pb =>
Pb2 + 4 I = 2 I2Pb
CrPO4 + HCl = CrCl2 + H2PO4 =>
CrPO4 + 2 HCl = CrCl2 + H2PO4
CaCO3 + K3PO4 = CaPO4 + CO3K3 =>
CaCO3 + K3PO4 = CaPO4 + CO3K3
Fe(NO3)2 + H2S = FeS + H(NO3) =>
Fe(NO3)2 + H2S = FeS + 2 H(NO3)
Ca3N2 + Ta3N5 = Ca2TaN3 =>
2 Ca3N2 + Ta3N5 = 3 Ca2TaN3
HB + AOH = AB + H2O =>
HB + AOH = AB + H2O
CaCO3(l) + H2SO4(s) = CaSO4(s) + CO2(l) + H2O(g) =>
CaCO3(l) + H2SO4(s) = CaSO4(s) + CO2(l) + H2O(g)
Fe + C2H3O2 = Fe(C2H3O2)3 =>
Fe + 3 C2H3O2 = Fe(C2H3O2)3
Na2HPO4 + NaCl = Na3PO4 + HCl =>
Na2HPO4 + NaCl = Na3PO4 + HCl
Tl + H2SO4 = Tl2(SO4)3 + H2 =>
2 Tl + 3 H2SO4 = Tl2(SO4)3 + 3 H2
Hg(O)2 = HgO2 =>
Hg(O)2 = HgO2
K2NaCo(NO2)6 + H{+} + MnO4{-} = K{+} + Na{+} + Co{3+} + Mn{2+} + NO3{-} + H2O =>
5 K2NaCo(NO2)6 + 36 H{+} + 12 MnO4{-} = 10 K{+} + 5 Na{+} + 5 Co{3+} + 12 Mn{2+} + 30 NO3{-} + 18 H2O
(Cr2O7)({-}2) + H2S + H{+} = Cr3{+} + S + H2O =>
6(Cr2O7)({-}2) + 37 H2S + 10 H{+} = 4 Cr3{+} + 37 S + 42 H2O
BaO + NaHSO3 = BaSO4 + NaH =>
BaO + NaHSO3 = BaSO4 + NaH
K + O2 = K2O =>
4 K + O2 = 2 K2O
Cu2S2 + HNO3 = CuSO4 + H2O + NO2 =>
Cu2S2 + 16 HNO3 = 2 CuSO4 + 8 H2O + 16 NO2
Li + ZnBr2 = LiBr + Zn =>
2 Li + ZnBr2 = 2 LiBr + Zn
CaOH + (NH4)3PO4 = (Ca)3PO4 + NH3 + H2O =>
3 CaOH + (NH4)3PO4 = (Ca)3PO4 + 3 NH3 + 3 H2O
Cu{+2} + H2O{-2} = CuO + H2 =>
Cu{+2} + H2O{-2} = CuO + H2
Al(OH)3 + Na + OH = H2O + NaAlO2 =>
Al(OH)3 + Na + OH = 2 H2O + NaAlO2
C5H12 + HI = C5H11I + H2 =>
C5H12 + HI = C5H11I + H2
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