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Fe + Ca(SO4) = Fe(SO4) + Ca
NaHCO3 + H3O{+} = H2O + CO2 + Na{+} =>
NaHCO3 + H3O{+} = 2 H2O + CO2 + Na{+}
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C2O4H2 + KOH = H2O + O2 + KC2O3H =>
2 C2O4H2 + 2 KOH = 2 H2O + O2 + 2 KC2O3H
Ca + HY = CaY2 + H2 =>
Ca + 2 HY = CaY2 + H2
K2SiO3 = K + SiO3 =>
K2SiO3 = 2 K + SiO3
BaO + SO2 = BaS + O3 =>
BaO + SO2 = BaS + O3
Cu(NO3)2*3H2O + NaOH = Cu(OH)2 + NaNO3 + H2O =>
Cu(NO3)2*3H2O + 2 NaOH = Cu(OH)2 + 2 NaNO3 + 3 H2O
Ag2CO3(s) = Ag(s) + CO2(g) + O2(g) =>
2 Ag2CO3(s) = 4 Ag(s) + 2 CO2(g) + O2(g)
CaCO3 + HNO3 = Ca(NO3)2H2O + CO2 =>
CaCO3 + 2 HNO3 = Ca(NO3)2H2O + CO2
AlB2 + Cl2 = AlCl2 + B2 =>
AlB2 + Cl2 = AlCl2 + B2
FeO3 + Mg = MgO3 + Fe =>
FeO3 + Mg = MgO3 + Fe
PbCrO4 + KI + HCl = PbCl2 + CrCl3 + KCl + I2 + H2O =>
2 PbCrO4 + 6 KI + 16 HCl = 2 PbCl2 + 2 CrCl3 + 6 KCl + 3 I2 + 8 H2O
[Cr(H2O)6]{3+} + NH3 = [Cr(H2O)3(OH)3] + NH4{+} =>
[Cr(H2O)6]{3+} + 3 NH3 = [Cr(H2O)3(OH)3] + 3 NH4{+}
K(OH) + CaCO3 = K2CO3 + Ca(OH)2 =>
2 K(OH) + CaCO3 = K2CO3 + Ca(OH)2
Pb + O2 = Pb3O =>
6 Pb + O2 = 2 Pb3O
NaOH + K2S = Na2S + KOH =>
2 NaOH + K2S = Na2S + 2 KOH
N2O5 + NaOH = NaNO3 + H2O =>
N2O5 + 2 NaOH = 2 NaNO3 + H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
NH3 + O2Cl = NO + H2O + Cl =>
4 NH3 + 5 O2Cl = 4 NO + 6 H2O + 5 Cl
NO + KClO + KOH = KNO3 + KCl + H2O =>
2 NO + 3 KClO + 2 KOH = 2 KNO3 + 3 KCl + H2O
SnCl2 + HNO3 + HCl = SnCl4 + NO + H2O =>
3 SnCl2 + 2 HNO3 + 6 HCl = 3 SnCl4 + 2 NO + 4 H2O
Zn + H2SO4 + AgCl = Ag + HCl + ZnSO4 =>
Zn + H2SO4 + 2 AgCl = 2 Ag + 2 HCl + ZnSO4
Cu + KCN + H2O = H[Cu(CN)2] + KOH + H2 =>
2 Cu + 4 KCN + 4 H2O = 2 H[Cu(CN)2] + 4 KOH + H2
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
NaOH + KCl = NaCl + HCl + K2O =>
NaOH + 2 KCl = NaCl + HCl + K2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NaHSO4 + Ba(HCO3)2 = BaSO4 + Na2SO4 + H2O + CO2 =>
2 NaHSO4 + Ba(HCO3)2 = BaSO4 + Na2SO4 + 2 H2O + 2 CO2
K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O =>
2 K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O
Si(NH)2 + H2O = SiO2 + NH3 =>
Si(NH)2 + 2 H2O = SiO2 + 2 NH3
FeCl3(s) + Ca(OH)2(aq) = Fe(OH)3(s) + CaCl2(aq) =>
2 FeCl3(s) + 3 Ca(OH)2(aq) = 2 Fe(OH)3(s) + 3 CaCl2(aq)
H2O(l) + Fe(s) + FeCl3(aq) = FeO + HCl =>
3 H2O(l) + Fe(s) + 2 FeCl3(aq) = 3 FeO + 6 HCl
NaNO3 + HCl = NaCl + NO3H =>
NaNO3 + HCl = NaCl + NO3H
Pb(NO3)2(ac) + Na2CrO4(ac) = PbCrO4(s) + NaNO3(ac) =>
Pb(NO3)2(ac) + Na2CrO4(ac) = PbCrO4(s) + 2 NaNO3(ac)
KNO2 + HBr = HNO2 + KBr =>
KNO2 + HBr = HNO2 + KBr
CH3CH2OH + Cu2O = C2H4O + Cu + H2O =>
CH3CH2OH + Cu2O = C2H4O + 2 Cu + H2O
P4 + OH{-} + H2O = H2PO2{-} + H3P =>
P4 + 3 OH{-} + 3 H2O = 3 H2PO2{-} + H3P
CH4 + NaNH2 = CH4Na + NH2 =>
CH4 + NaNH2 = CH4Na + NH2
phenol + KMnO4 + H2SO4 = Quinone + MnSO4 + K2SO4 + H2O =>
5 C6H5OH + 4 KMnO4 + 6 H2SO4 = 5 C6H4O2 + 4 MnSO4 + 2 K2SO4 + 11 H2O
PbCr2O7 + HNO3 = Pb(NO3)2 + H2Cr2O7 =>
PbCr2O7 + 2 HNO3 = Pb(NO3)2 + H2Cr2O7
HBr + KMnO2 = MnBr2 + Br2 + H2O + KBr =>
8 HBr + 2 KMnO2 = 2 MnBr2 + Br2 + 4 H2O + 2 KBr
Na2O + C = CO + Na =>
Na2O + C = CO + 2 Na
HNO3 + Br2 = HBrO4 + NO2 + H2O =>
14 HNO3 + Br2 = 2 HBrO4 + 14 NO2 + 6 H2O
K2C2O4 + H2SO4 + KMnO4 = CO2 + K2SO4 + MnSO4 + H2O =>
5 K2C2O4 + 8 H2SO4 + 2 KMnO4 = 10 CO2 + 6 K2SO4 + 2 MnSO4 + 8 H2O
AlCl3 + NaO = AlO3 + NaCl =>
AlCl3 + 3 NaO = AlO3 + 3 NaCl
NiSO4 + NaS = NaSO4 + NiS =>
NiSO4 + NaS = NaSO4 + NiS
Fe + H2SO4 = Fe2O3 + SO2 + H2O =>
2 Fe + 3 H2SO4 = Fe2O3 + 3 SO2 + 3 H2O
C3H6 + HI = C3H5I + H2 =>
C3H6 + HI = C3H5I + H2
Cr2(SO4)3 + NaBiO3 + NaOH = Na2CrO4 + Na2SO4 + Bi + H2O =>
5 Cr2(SO4)3 + 6 NaBiO3 + 44 NaOH = 10 Na2CrO4 + 15 Na2SO4 + 6 Bi + 22 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
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