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4 W + 3 H2SO4 + 8 NaOH + 4 H2O = 4 Na2WO4*2H2O + 3 H2S
Cr(OH)3 + Na2O2 = Na2CrO4 + NaOH + H2O =>
2 Cr(OH)3 + 3 Na2O2 = 2 Na2CrO4 + 2 NaOH + 2 H2O
Fe(CrO2)2 + Na2CO3 + O2 = Fe2O3 + Na2Cr2O4 + CO2 =>
4 Fe(CrO2)2 + 4 Na2CO3 + O2 = 2 Fe2O3 + 4 Na2Cr2O4 + 4 CO2
B2O3 + HF = B2F + O3H =>
B2O3 + HF = B2F + O3H
N2O3 + ZnO = ZnN2O4 =>
N2O3 + ZnO = ZnN2O4
CH2CHCH2CH3 + HBr = CH2BrCH2CH2CH3 =>
CH2CHCH2CH3 + HBr = CH2BrCH2CH2CH3
KCr(SO4)2 + NaOH = Cr(OH)3 + KOH + Na2SO4 =>
KCr(SO4)2 + 4 NaOH = Cr(OH)3 + KOH + 2 Na2SO4
KHSO4 + H2O = H3O{+} + KSO4{-} =>
KHSO4 + H2O = H3O{+} + KSO4{-}
Ba{+2}NO3{-} + SO4{-2} = BaSO4 =>
Ba{+2}NO3{-} + SO4{-2} = BaSO4
CH3CH2CH3 + O2 = CO2 + H3O =>
3 CH3CH2CH3 + 13 O2 = 9 CO2 + 8 H3O
BaCl2 + CuSO4 = BaSO4 + Cl2Cu =>
BaCl2 + CuSO4 = BaSO4 + Cl2Cu
Fe + HCl(razb) = FeCl3 + H2 =>
2 Fe + 6 HCl(razb) = 2 FeCl3 + 3 H2
Fe2 + O2 + H2O = Fe(OH)2 =>
Fe2 + O2 + 2 H2O = 2 Fe(OH)2
K3[Fe(CN)6] + H2O2 + KOH = K4[Fe(CN)6]H2O + O2 =>
2 K3[Fe(CN)6] + H2O2 + 2 KOH = 2 K4[Fe(CN)6]H2O + O2
SiH4 = SiH2H2 =>
SiH4 = SiH2H2
NH4I + NaOH = H2O + NH3 + NaI =>
NH4I + NaOH = H2O + NH3 + NaI
CaC2 + H2O + ZnCl2 = C2H2 + CaCl2 + ZnO =>
CaC2 + H2O + ZnCl2 = C2H2 + CaCl2 + ZnO
K + HNO3 = NO2 + H2O + KNO3 =>
K + 2 HNO3 = NO2 + H2O + KNO3
KCr(SO4)2 + NaOH = KCrO2 + Na2SO4 + H2O =>
KCr(SO4)2 + 4 NaOH = KCrO2 + 2 Na2SO4 + 2 H2O
Fe + Cl2 = FeCl3 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CaHNO3 + NaCl = NaHNO3 + CaCl =>
CaHNO3 + NaCl = NaHNO3 + CaCl
Fe + FeCl2 = FeFeCl3 =>
Fe + 3 FeCl2 = 2 FeFeCl3
C6H5OH + CH3COCl = CH3COOC6H5 + HCl =>
C6H5OH + CH3COCl = CH3COOC6H5 + HCl
FeBr2 + HCl = FeCl2 + H2 + Br2 =>
FeBr2 + 2 HCl = FeCl2 + H2 + Br2
SO3 + Sr(OH)2 = H2O + SrSO4 =>
SO3 + Sr(OH)2 = H2O + SrSO4
S + KOH = K2S + K2SO5 + H2O =>
5 S + 10 KOH = 4 K2S + K2SO5 + 5 H2O
N2O3 + ZnO = ZnN2O4 =>
N2O3 + ZnO = ZnN2O4
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
ClO2 + IO3{-} + H2O = ClO2{-} + IO4{-} + H{+} =>
2 ClO2 + IO3{-} + H2O = 2 ClO2{-} + IO4{-} + 2 H{+}
Mg(OH)2 = H2O2 + MgOH =>
2 Mg(OH)2 = H2O2 + 2 MgOH
NH4I + NaOH = H2O + NH3 + NaI =>
NH4I + NaOH = H2O + NH3 + NaI
HNO3 + ZuO = Zu(NO3)2 + H2O =>
2 HNO3 + ZuO = Zu(NO3)2 + H2O
PH3 + O2 = P4O10 + H2 =>
4 PH3 + 5 O2 = P4O10 + 6 H2
Zn + NO2 = ZnNO2 =>
Zn + NO2 = ZnNO2
NaNO2 + KCrO4 + H2SO4 = NaNO3 + K2SO4 + CrSO4 + H2O =>
5 NaNO2 + 2 KCrO4 + 3 H2SO4 = 5 NaNO3 + K2SO4 + 2 CrSO4 + 3 H2O
CH3COSH(l) + O2(g) = CO2(g) + H2O(l) + S2(s) =>
2 CH3COSH(l) + 5 O2(g) = 4 CO2(g) + 4 H2O(l) + S2(s)
Zn(s) = Zn2(aq) =>
2 Zn(s) = Zn2(aq)
Ca(NO3)2 + H2O + CO2 = CaCO3 + HNO3 =>
Ca(NO3)2 + H2O + CO2 = CaCO3 + 2 HNO3
Ca(ClO)2 + Na2S + H2O = CaCl2 + NaOH + S =>
Ca(ClO)2 + 2 Na2S + 2 H2O = CaCl2 + 4 NaOH + 2 S
CuSO4(aq) + H3AsO3(aq) = CuAsO3 + H3SO4 =>
CuSO4(aq) + H3AsO3(aq) = CuAsO3 + H3SO4
B2O3 + HF = B2F + O3H =>
B2O3 + HF = B2F + O3H
C6H5COH + CrO3 + H2SO4 = C6H5COOH + H2O + Cr2(SO4)3 =>
3 C6H5COH + 2 CrO3 + 3 H2SO4 = 3 C6H5COOH + 3 H2O + Cr2(SO4)3
NaOH + S = Na2S2O3 + Na2S + H2O =>
6 NaOH + 4 S = Na2S2O3 + 2 Na2S + 3 H2O
Mg(s) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + MgCl2(aq)
H4P2O7H2O = H3PO4 =>
H4P2O7H2O = 2 H3PO4
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Ni(NO3)2 + NaOH = Ni(OH)2 + NaNO3 =>
Ni(NO3)2 + 2 NaOH = Ni(OH)2 + 2 NaNO3
MgO + NH4F = MgF2 + H2O + NH3 =>
MgO + 2 NH4F = MgF2 + H2O + 2 NH3
Fe + Cl = (FeCl3) =>
Fe + 3 Cl = (FeCl3)
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
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