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H2S + PbCl2 = PbS + 2 HCl
As + HNO3 + H2O = H3AsO3 + N2O =>
8 As + 6 HNO3 + 9 H2O = 8 H3AsO3 + 3 N2O
CH3COCl + HOC6H4COOH = CH3COOC6H4COOH + HCl =>
CH3COCl + HOC6H4COOH = CH3COOC6H4COOH + HCl
Na + Co2 = Na2Co3 =>
4 Na + 3 Co2 = 2 Na2Co3
Zn{2+} + [Fe(CN)6]{4-} = Zn2[Fe(CN)6] =>
2 Zn{2+} + [Fe(CN)6]{4-} = Zn2[Fe(CN)6]
Fe + HgO = HgFeO =>
Fe + HgO = HgFeO
I{-} + SO4{-2} + H{+} = I2 + H2S + H2O =>
8 I{-} + SO4{-2} + 10 H{+} = 4 I2 + H2S + 4 H2O
(NH4)NO3 + Na(OH) = (NH4)Na + (OH)NO3 =>
(NH4)NO3 + Na(OH) = (NH4)Na + (OH)NO3
Mg + Fe3O4 = MgO + Fe =>
4 Mg + Fe3O4 = 4 MgO + 3 Fe
C2H4(g) + F2(g) = CF4(g) + HF(g) =>
C2H4(g) + 6 F2(g) = 2 CF4(g) + 4 HF(g)
CaN = Ca + N =>
CaN = Ca + N
C2H4 + KMnO4 = C2K2O4 + MnO2 + KOH + H2O =>
3 C2H4 + 10 KMnO4 = 3 C2K2O4 + 10 MnO2 + 4 KOH + 4 H2O
ZnCO3(s) + HBr(aq) = H2CO3 + ZnBr2 =>
ZnCO3(s) + 2 HBr(aq) = H2CO3 + ZnBr2
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
Fe + Cl = FeCl3 =>
Fe + 3 Cl = FeCl3
C2H7N + O2 = CO2 + N2 + H2O =>
4 C2H7N + 15 O2 = 8 CO2 + 2 N2 + 14 H2O
HBrO3 + Sc(OH)3 = H2O + Sc(BrO3)3 =>
3 HBrO3 + Sc(OH)3 = 3 H2O + Sc(BrO3)3
Zn(C2H3O2)2 + H2SO4 = ZnSO4 + HC2H3O2 =>
Zn(C2H3O2)2 + H2SO4 = ZnSO4 + 2 HC2H3O2
KJO3 + KJ + H2O = J2 + KOH =>
KJO3 + 5 KJ + 3 H2O = 3 J2 + 6 KOH
KMnO4 + Ag = Ag2O + KMn =>
KMnO4 + 8 Ag = 4 Ag2O + KMn
CH3COH + Cu(OH)2 = CH3COOH + CuOH + H2O =>
CH3COH + 2 Cu(OH)2 = CH3COOH + 2 CuOH + H2O
KCO3(s) = KO(s) + CO2(g) =>
KCO3(s) = KO(s) + CO2(g)
Cu + HgNo3 = Cu(No3)2 + Hg =>
Cu + 2 HgNo3 = Cu(No3)2 + 2 Hg
SrO + C = Sr + CO =>
SrO + C = Sr + CO
SrCl2 + K2Cr2O7 = SrCr2O7 + KCl =>
SrCl2 + K2Cr2O7 = SrCr2O7 + 2 KCl
CF4 + Br3 = CBr + F2 =>
3 CF4 + Br3 = 3 CBr + 6 F2
M3X8 + N2CO3 = NX + CO2 + M3O4 =>
M3X8 + 4 N2CO3 = 8 NX + 4 CO2 + M3O4
S2Cl2 + Cr2O3 = CrCl3 + SO2 + S =>
6 S2Cl2 + 2 Cr2O3 = 4 CrCl3 + 3 SO2 + 9 S
C6H5HO + O2 = CO2 + H2O =>
C6H5HO + 7 O2 = 6 CO2 + 3 H2O
KIO3(heat) = KI + O =>
KIO3(heat) = KI + 3 O
NaHCO3 + O2 = CO2 + H2O + NaO2 =>
4 NaHCO3 + 3 O2 = 4 CO2 + 2 H2O + 4 NaO2
Mg(OH)2 + NH4Cl = MgCl2 + H2O + NH3 =>
Mg(OH)2 + 2 NH4Cl = MgCl2 + 2 H2O + 2 NH3
NaNO3 + Ca(OH)2 = Ca(NO3)OH + NaOH =>
NaNO3 + Ca(OH)2 = Ca(NO3)OH + NaOH
HCH3COOO + NaOH = NaCH3COOO + H2O =>
HCH3COOO + NaOH = NaCH3COOO + H2O
CNO + NaOH + C = CO2 + NaCN + H2O =>
4 CNO + 4 NaOH + 3 C = 3 CO2 + 4 NaCN + 2 H2O
Rb2O + HCl = H2O + RbCl =>
Rb2O + 2 HCl = H2O + 2 RbCl
Fe(NO3)3 + NaSCN = Fe(SCN)3 + Na(NO3) =>
Fe(NO3)3 + 3 NaSCN = Fe(SCN)3 + 3 Na(NO3)
CaP + H2O = CaHO + P3H3 =>
3 CaP + 3 H2O = 3 CaHO + P3H3
AlK(SO4)2*12H2O + Ba(NO3)2 = AlK(NO3)2 + Ba(SO4)2*12H2O =>
AlK(SO4)2*12H2O + Ba(NO3)2 = AlK(NO3)2 + Ba(SO4)2*12H2O
HBr + PB = PBBr + H =>
HBr + PB = PBBr + H
SO3{2-} + HCl = HSO3{-} + Cl{-} =>
SO3{2-} + HCl = HSO3{-} + Cl{-}
Sn + HNO3 + HCl = H2SnCl6 + NO + H2O =>
3 Sn + 4 HNO3 + 18 HCl = 3 H2SnCl6 + 4 NO + 8 H2O
C14H8O2(g) + O2(g) = CO2(g) + H2O(l) =>
C14H8O2(g) + 15 O2(g) = 14 CO2(g) + 4 H2O(l)
Al2O3 + CaCO3 = Ca(AlO2)2 + CO2 =>
Al2O3 + CaCO3 = Ca(AlO2)2 + CO2
CrO4 + N2O = Cr + NO =>
CrO4 + 4 N2O = Cr + 8 NO
Br + NaOH = NaBr + NaOBr + H2O =>
2 Br + 2 NaOH = NaBr + NaOBr + H2O
C2H4 + Br2 = C2H4Br2 =>
C2H4 + Br2 = C2H4Br2
H2CO3 = H + O + CO =>
H2CO3 = 2 H + 2 O + CO
Al(OH)3 + K2C2O4 + H2C2O4 = K3[Al(C2O4)3] + H2O =>
2 Al(OH)3 + 3 K2C2O4 + 3 H2C2O4 = 2 K3[Al(C2O4)3] + 6 H2O
(NH4)2S + CuCl2 = CuS + NH4Cl =>
(NH4)2S + CuCl2 = CuS + 2 NH4Cl
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