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2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
NH3(aq) + HCl(aq) = H2(g) + NH3Cl(aq) =>
2 NH3(aq) + 2 HCl(aq) = H2(g) + 2 NH3Cl(aq)
Cu(NO)2 + NaOH = Cu(OH)2 + NaNO =>
Cu(NO)2 + 2 NaOH = Cu(OH)2 + 2 NaNO
Li2CO3 + KCl = LiCl + K2CO3 =>
Li2CO3 + 2 KCl = 2 LiCl + K2CO3
Fe2(SO4)3(aq) + NaOH(aq) = Fe(OH)3(aq) + Na2SO4(aq) =>
Fe2(SO4)3(aq) + 6 NaOH(aq) = 2 Fe(OH)3(aq) + 3 Na2SO4(aq)
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
C6H14 + HNO3 = C6H13NO2 + H2O =>
C6H14 + HNO3 = C6H13NO2 + H2O
Ca(OH)2 + HBa = CaBa2 + H2O =>
Ca(OH)2 + 2 HBa = CaBa2 + 2 H2O
Al2S2 = AlS =>
Al2S2 = 2 AlS
CaH2 + CO2 = CH4 + CaCO3 =>
2 CaH2 + 3 CO2 = CH4 + 2 CaCO3
C2H2O4 + NaOH = Na2C2O4 + H2O =>
C2H2O4 + 2 NaOH = Na2C2O4 + 2 H2O
Al(OH)3 + HCH3COO = Al(CH3COO)3 + H2O =>
Al(OH)3 + 3 HCH3COO = Al(CH3COO)3 + 3 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
HI(aq) + RbOH(aq) = H2O(l) + RbI(g) =>
HI(aq) + RbOH(aq) = H2O(l) + RbI(g)
(C4H10)(g) + O2(g) = CO2(g) + H2O(g) =>
2(C4H10)(g) + 13 O2(g) = 8 CO2(g) + 10 H2O(g)
As2O3 + OH = AsO3 + H2O =>
As2O3 + 6 OH = 2 AsO3 + 3 H2O
Ca(ClO)3 + HCl = CaCl2 + Cl2 + H2O =>
2 Ca(ClO)3 + 12 HCl = 2 CaCl2 + 7 Cl2 + 6 H2O
Sn + HOH = SnOH + H =>
Sn + HOH = SnOH + H
Re2S7 + HNO3 = HReO4 + NO2 + H2SO4 + H2O =>
Re2S7 + 56 HNO3 = 2 HReO4 + 56 NO2 + 7 H2SO4 + 20 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
HgS + Na2S = Na2HgS2 =>
HgS + Na2S = Na2HgS2
KAlSi3O8 + CaCO3 = KAlO2 + CaSiO3 + CO2 =>
KAlSi3O8 + 3 CaCO3 = KAlO2 + 3 CaSiO3 + 3 CO2
AgNO3 + Fe(NO3)2 = Ag + Fe(NO3)3 =>
AgNO3 + Fe(NO3)2 = Ag + Fe(NO3)3
Cr(OH)3 + Na2SO4 = Cr2(SO4)3 + NaOH =>
2 Cr(OH)3 + 3 Na2SO4 = Cr2(SO4)3 + 6 NaOH
NH4NO3 + CH = CO + H2O + N2 =>
3 NH4NO3 + 2 CH = 2 CO + 7 H2O + 3 N2
Pb(NO3)2(aq) + LiCl = PbCl2 + LiNO3 =>
Pb(NO3)2(aq) + 2 LiCl = PbCl2 + 2 LiNO3
K2SO4 + C = K2S + CO =>
K2SO4 + 4 C = K2S + 4 CO
CuCl2 + NH3 + H2O = Cu(NH3)4(H2O)2{2+} + NH4Cl + OH{-} =>
CuCl2 + 6 NH3 + 4 H2O = Cu(NH3)4(H2O)2{2+} + 2 NH4Cl + 2 OH{-}
LiOH + NH4NaCO3 = NaOH + Li + NH4CO3 =>
LiOH + NH4NaCO3 = NaOH + Li + NH4CO3
As2S5 + HOH + HClO3 = HCl + H3AsO4 + S =>
3 As2S5 + 9 HOH + 5 HClO3 = 5 HCl + 6 H3AsO4 + 15 S
Fe2O3*H2O + HCl = FeCl3 + H2O =>
Fe2O3*H2O + 6 HCl = 2 FeCl3 + 4 H2O
CO2 + KOH = K2CO3 + H2O =>
CO2 + 2 KOH = K2CO3 + H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
MnI2 + KClO3 + KOH = I2 + KCl + K2MnO4 + H2O =>
MnI2 + KClO3 + 2 KOH = I2 + KCl + K2MnO4 + H2O
C6H6(g) + O2(g) = CO2(g) + H2O(g) =>
2 C6H6(g) + 15 O2(g) = 12 CO2(g) + 6 H2O(g)
C2H2O4 + NaOH = Na2C2O4 + H2O =>
C2H2O4 + 2 NaOH = Na2C2O4 + 2 H2O
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
CHCH + HCl = CH2CHCl =>
CHCH + HCl = CH2CHCl
PbO + ZnS = ZnO + SO2 + Pb =>
3 PbO + ZnS = ZnO + SO2 + 3 Pb
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Na2SO3 + KI = NaI + K2SO3 =>
Na2SO3 + 2 KI = 2 NaI + K2SO3
Al(OH)2SO4 = Al(OH)2 + SO4 =>
Al(OH)2SO4 = Al(OH)2 + SO4
NH4NO3 + C5H8O2 = CO + H2O + N2 =>
7 NH4NO3 + C5H8O2 = 5 CO + 18 H2O + 7 N2
Nb + HNO3 + HF = H2[NbF7] + NO + H2O =>
3 Nb + 5 HNO3 + 21 HF = 3 H2[NbF7] + 5 NO + 10 H2O
C2H5OH + CH3CH2COOH = CH3COOCH2CH3 + H2O =>
C2H5OH + 2 CH3CH2COOH = 2 CH3COOCH2CH3 + H2O
CU + Cl2 = CUCl2 =>
CU + Cl2 = CUCl2
Ca(H2PO4)2 + CaO = CaHPO4 + H2O =>
Ca(H2PO4)2 + CaO = 2 CaHPO4 + H2O
Hg2(NO3)2 + Na2SO4 = Hg2SO4 + Na2(NO3)2 =>
Hg2(NO3)2 + Na2SO4 = Hg2SO4 + Na2(NO3)2
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