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2 Fe + 2 HCI = 2 FeCI + H2
Fe2O3 + H2O = Fe(OH)3 = =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
AlCl3 + Ca(HCO3)2 = Al(OH)3 + CaCl2 + CO2 =>
2 AlCl3 + 3 Ca(HCO3)2 = 2 Al(OH)3 + 3 CaCl2 + 6 CO2
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
Fe3{+} + Al = Fe2 + Al3{+} =>
2 Fe3{+} + 6 Al = 3 Fe2 + 2 Al3{+}
NH2Cl = N2 + NH4Cl + HCl =>
3 NH2Cl = N2 + NH4Cl + 2 HCl
K3PO4 + MgCl2 = Mg3(PO4)2 + KCl =>
2 K3PO4 + 3 MgCl2 = Mg3(PO4)2 + 6 KCl
SiH4 + O2 = Si2O4 + H2O =>
2 SiH4 + 4 O2 = Si2O4 + 4 H2O
Al3 + NaCl2 + H2O = Al2Cl3 + NaO + H2 =>
4 Al3 + 9 NaCl2 + 9 H2O = 6 Al2Cl3 + 9 NaO + 9 H2
Na3AgO3 + Y2 + H2O = Na3AgO4 + HY =>
Na3AgO3 + Y2 + H2O = Na3AgO4 + 2 HY
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
H2SO4(aq) + V2O3(s) = V2(SO4)3(s) + H2O(l) =>
3 H2SO4(aq) + V2O3(s) = V2(SO4)3(s) + 3 H2O(l)
NaHCO3 + CH3COO = NaCH3COO + CO2 + H2O =>
7 NaHCO3 + 8 CH3COO = 7 NaCH3COO + 9 CO2 + 5 H2O
Cu + Ag2O = CuO + Ag =>
Cu + Ag2O = CuO + 2 Ag
FeS + O3 = Fe2O3 + SO4 =>
6 FeS + 11 O3 = 3 Fe2O3 + 6 SO4
Zn + MgNo3 = Zn(No3)2 + Mg =>
Zn + 2 MgNo3 = Zn(No3)2 + 2 Mg
PbCO3 + O2 = Pb3O4 + CO2 =>
6 PbCO3 + O2 = 2 Pb3O4 + 6 CO2
HgOH + Ca3(PO4)2 = Hg3(PO4) + Ca(OH)2 =>
6 HgOH + Ca3(PO4)2 = 2 Hg3(PO4) + 3 Ca(OH)2
C33H8 + O2 = CO2 + H2O =>
C33H8 + 35 O2 = 33 CO2 + 4 H2O
AgNO3 + (NH4)Br = AgBr + NH4NO3 =>
AgNO3 + (NH4)Br = AgBr + NH4NO3
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
C5H10 + O2 = CO2 + H2O =>
2 C5H10 + 15 O2 = 10 CO2 + 10 H2O
Al + I2 = AlI3 =>
2 Al + 3 I2 = 2 AlI3
K2SO4 + ZnCl2 = K2Cl2 + ZnSO4 =>
K2SO4 + ZnCl2 = K2Cl2 + ZnSO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cs2CO3 + H3PO4 = CsH2PO4 + CO2 + H2O =>
Cs2CO3 + 2 H3PO4 = 2 CsH2PO4 + CO2 + H2O
NH2CH2CONHCH2(CH3)COOHHClH2O = NH2CH2COOHNH3ClCH2(CH3)COOH =>
NH2CH2CONHCH2(CH3)COOHHClH2O = NH2CH2COOHNH3ClCH2(CH3)COOH
H2S + NaOH = NaHS + H2O =>
H2S + NaOH = NaHS + H2O
SO3{2-} + Mn{3+} + H2O = SO4{2-} + Mn{2+} + H{+} =>
SO3{2-} + 2 Mn{3+} + H2O = SO4{2-} + 2 Mn{2+} + 2 H{+}
AgNO3 + NaBr = AgBr + NaNO3 =>
AgNO3 + NaBr = AgBr + NaNO3
Al + F2 = AlF3 =>
2 Al + 3 F2 = 2 AlF3
LiCl + Br2 = LiBr + Cl2 =>
2 LiCl + Br2 = 2 LiBr + Cl2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
FeSO4 + NaOH = Fe(OH)2 + Na2SO4 =>
FeSO4 + 2 NaOH = Fe(OH)2 + Na2SO4
NaHSO4 + NH3 = Na2SO4 + NH4HSO4 =>
2 NaHSO4 + NH3 = Na2SO4 + NH4HSO4
Ba + NaOH = Na2BaO2 + H2 =>
Ba + 2 NaOH = Na2BaO2 + H2
Al2S3 + NaOH = Na[Al(OH)4] + Na2S =>
Al2S3 + 8 NaOH = 2 Na[Al(OH)4] + 3 Na2S
Pb + CH3COOH = Pb(CH3COO)2Pb + H2 =>
2 Pb + 2 CH3COOH = Pb(CH3COO)2Pb + H2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
H2Se + Mn(OH)4 = Mn2Se4 + H2O =>
4 H2Se + 2 Mn(OH)4 = Mn2Se4 + 8 H2O
MgI2 + H2 = Mg + HI =>
MgI2 + H2 = Mg + 2 HI
AgNO3 + I = Ag + INO3 =>
AgNO3 + I = Ag + INO3
Ag + Al(OH)3 = Al + AgOH =>
3 Ag + Al(OH)3 = Al + 3 AgOH
(CH3COO)2Ca + (NH4)2C2O4 = (COO)2Ca + CH3COONH4 =>
(CH3COO)2Ca + (NH4)2C2O4 = (COO)2Ca + 2 CH3COONH4
H4 + I6 = H6I4 =>
9 H4 + 4 I6 = 6 H6I4
Zn + CU(OH)2 = Zn(OH)2 + CU =>
Zn + CU(OH)2 = Zn(OH)2 + CU
Nb + O2 = Nb2O5 =>
4 Nb + 5 O2 = 2 Nb2O5
Li2CO3 + CrSO4 = CrCO3 + Li2SO4 =>
Li2CO3 + CrSO4 = CrCO3 + Li2SO4
Mg + N = Mg(N)3 =>
Mg + 3 N = Mg(N)3
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