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2 HY = Y2 + H2
S2O8{2-} + Cr{3+} + H2O = Cr2O7{2-} + H{+} + SO4{2-} =>
3 S2O8{2-} + 2 Cr{3+} + 7 H2O = Cr2O7{2-} + 14 H{+} + 6 SO4{2-}
C4H10 + O2 = CH3COOH + H2O =>
2 C4H10 + 5 O2 = 4 CH3COOH + 2 H2O
HNO3 + CaNO3 = Ca(NO3)2 + H2O + NO =>
4 HNO3 + 3 CaNO3 = 3 Ca(NO3)2 + 2 H2O + NO
C2H2 + HCl = CH2Cl2 + H2 =>
C2H2 + 4 HCl = 2 CH2Cl2 + H2
Sr(OH)2 + CaCO3 = SrCO3 + Ca(OH)2 =>
Sr(OH)2 + CaCO3 = SrCO3 + Ca(OH)2
BrO{-} + Fe{3+} + OH{-} = BrO3{-} + Fe{2+} + H2O =>
BrO{-} + 4 Fe{3+} + 4 OH{-} = BrO3{-} + 4 Fe{2+} + 2 H2O
Na2Co3 + Ca = CaCo3 + Na =>
Na2Co3 + Ca = CaCo3 + 2 Na
CH3NH2 + CH3COOH = CH3NHCOCH3 + H2O =>
CH3NH2 + CH3COOH = CH3NHCOCH3 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
K2Cr2O7 + HJ + H2SO4 = Cr2(SO4)3 + HJO3 + KHSO4 + H2O =>
K2Cr2O7 + HJ + 5 H2SO4 = Cr2(SO4)3 + HJO3 + 2 KHSO4 + 4 H2O
K2CO3 + H2SO4 = K2SO4 + H2O + CO2 =>
K2CO3 + H2SO4 = K2SO4 + H2O + CO2
Mg(s) + O2(g) = MgO =>
2 Mg(s) + O2(g) = 2 MgO
K2CO3 + H2SO4 = K2SO4 + H2O + CO2 =>
K2CO3 + H2SO4 = K2SO4 + H2O + CO2
CH3Cl + NH3 = CH3NH2 + NH4Cl =>
CH3Cl + 2 NH3 = CH3NH2 + NH4Cl
FeCl3 + KI = Fe2Cl3 + KCl + I2 =>
4 FeCl3 + 6 KI = 2 Fe2Cl3 + 6 KCl + 3 I2
CaCO3 + (NH4)2C2O4 = CaC2O4 + (NH4)2CO3 =>
CaCO3 + (NH4)2C2O4 = CaC2O4 + (NH4)2CO3
SiO2 + HBr = SiBr4 + H2O =>
SiO2 + 4 HBr = SiBr4 + 2 H2O
C6H5NH2 + HCl = C6H8ClN =>
C6H5NH2 + HCl = C6H8ClN
C2H3O2 + Mg = MgC2 + H3 + O2 =>
C2H3O2 + Mg = MgC2 + H3 + O2
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
AgNO3 + Na2CO3 + H2O = AgOH + NaNO3 + CO2 =>
2 AgNO3 + Na2CO3 + H2O = 2 AgOH + 2 NaNO3 + CO2
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
K4[Fe(CN)6] + FeCl3 = KFe[Fe(CN)6] + KCl =>
K4[Fe(CN)6] + FeCl3 = KFe[Fe(CN)6] + 3 KCl
Fe2 + CO2 = FeCO2 =>
Fe2 + 2 CO2 = 2 FeCO2
Ag{+} + e = Ag =>
Ag{+} + e = Ag
K3PO4 + Pb(NO3)2 = KNO3 + Pb3(PO4)2 =>
2 K3PO4 + 3 Pb(NO3)2 = 6 KNO3 + Pb3(PO4)2
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
(NH4)2SO4 + HBr = H2SO4 + NH4Br =>
(NH4)2SO4 + 2 HBr = H2SO4 + 2 NH4Br
OH{-} + MnO4{-} + NO2{-} = MnO4{2-} + NO3{-} + H2O =>
2 OH{-} + 2 MnO4{-} + NO2{-} = 2 MnO4{2-} + NO3{-} + H2O
KI + Mg = K2Mg + I =>
2 KI + Mg = K2Mg + 2 I
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Ca(s) + HCl(aq) = CaCl2(g) + H2(g) =>
Ca(s) + 2 HCl(aq) = CaCl2(g) + H2(g)
N2O5 + CuO = Cu(NO3)2 =>
N2O5 + CuO = Cu(NO3)2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Mo + HF + HNO3 = HMoF7 + NO + H2O =>
Mo + 7 HF + 2 HNO3 = HMoF7 + 2 NO + 4 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ca + H2S = CaS + H2 =>
Ca + H2S = CaS + H2
C6H10 + NaNH2 = C6H9Na + NH3 =>
C6H10 + NaNH2 = C6H9Na + NH3
FeCl{+2} + AlOH{+3} = AlCl{+3} + FeOH{+2} =>
FeCl{+2} + AlOH{+3} = AlCl{+3} + FeOH{+2}
Cr + Sn2{+} = Cr2{+} + Sn =>
2 Cr + Sn2{+} = Cr2{+} + 2 Sn
Al2O3 + Mg = Al2 + MgO =>
Al2O3 + 3 Mg = Al2 + 3 MgO
C + O2 = CO2 =>
C + O2 = CO2
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
(O)2 + (C)6(H)12(O)6 = (H)2O + (CO)2 =>
3(O)2 + (C)6(H)12(O)6 = 6(H)2O + 3(CO)2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Cr2O3 + O2 = CrO2 =>
2 Cr2O3 + O2 = 4 CrO2
Ba(CH3COO)2 + HI = CH3COOH + BaI2 =>
Ba(CH3COO)2 + 2 HI = 2 CH3COOH + BaI2
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