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Na2O + H2SO4 = Na2SO4 + H2O
Na = (Na2)2 =>
4 Na = (Na2)2
Ca(OH)2 + H3Po4 = Ca3(Po4)2 + H2O =>
3 Ca(OH)2 + 2 H3Po4 = Ca3(Po4)2 + 6 H2O
Cr + H2SO4 = CrHSO4 + SO2 + H2O =>
2 Cr + 3 H2SO4 = 2 CrHSO4 + SO2 + 2 H2O
Fe + NaOH = Fe(NaOH)3 =>
Fe + 3 NaOH = Fe(NaOH)3
Ag + Pb(No3)2 = Ag(No3)2 + PbNo3 =>
Ag + 2 Pb(No3)2 = Ag(No3)2 + 2 PbNo3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe(OH)3 + MnSO4 = Fe2(SO4)3 + Mn(OH)2 =>
2 Fe(OH)3 + 3 MnSO4 = Fe2(SO4)3 + 3 Mn(OH)2
AgNO3KCl(HNO3) = AgCl(HNO3)KNO3 =>
AgNO3KCl(HNO3) = AgCl(HNO3)KNO3
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
H2O + POCl3 = H3PO4 + HCl =>
3 H2O + POCl3 = H3PO4 + 3 HCl
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
NaCO3(aq) + KNO3(aq) = KCO3(aq) + NaNO3(aq) =>
NaCO3(aq) + KNO3(aq) = KCO3(aq) + NaNO3(aq)
BrCl = Cl2 + Br2 =>
2 BrCl = Cl2 + Br2
Mn2 + NaOH = Mn(OH)2 + Na =>
Mn2 + 4 NaOH = 2 Mn(OH)2 + 4 Na
Al + Hg2(NO3)2 = Al2O3 + NO2 + Hg =>
4 Al + 3 Hg2(NO3)2 = 2 Al2O3 + 6 NO2 + 6 Hg
K3Fe(CN)6 + AgNO3 = KNO3 + Ag3[Fe(CN)6] =>
K3Fe(CN)6 + 3 AgNO3 = 3 KNO3 + Ag3[Fe(CN)6]
NaCl + FeCl3 = NaFe + Cl =>
NaCl + FeCl3 = NaFe + 4 Cl
HCl + ZnS = HS + ZnCl =>
HCl + ZnS = HS + ZnCl
KNO3 + Al + NaOH + H2O = K[Al(OH)4] + NaNO3 + NH3 =>
8 KNO3 + 8 Al + 5 NaOH + 18 H2O = 8 K[Al(OH)4] + 5 NaNO3 + 3 NH3
Ca(OH)2 + NH4Cl = NH3 + CaCl2 + H2O =>
Ca(OH)2 + 2 NH4Cl = 2 NH3 + CaCl2 + 2 H2O
H2O + I2 + Na2S2O3 = NaI + S + H2SO4 =>
H2O + I2 + Na2S2O3 = 2 NaI + S + H2SO4
CrOHSO4 + Na2SO4 = Cr2(SO4)3 + NaOH =>
2 CrOHSO4 + Na2SO4 = Cr2(SO4)3 + 2 NaOH
H3PO4 + NaCl = HCl + Na3PO4 =>
H3PO4 + 3 NaCl = 3 HCl + Na3PO4
Mg3N2 + H2O = MgOH2 + N =>
Mg3N2 + 3 H2O = 3 MgOH2 + 2 N
K + Co(NO3)2 = KNO3 + Co =>
2 K + Co(NO3)2 = 2 KNO3 + Co
MnO2 + H2O2 = O2 + MnH =>
2 MnO2 + H2O2 = 3 O2 + 2 MnH
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
Zn(NO3)2 + Na2S = ZnS + Na2(NO3)2 =>
Zn(NO3)2 + Na2S = ZnS + Na2(NO3)2
NO2 + P = N2 + P2O5 =>
10 NO2 + 8 P = 5 N2 + 4 P2O5
FeSCN{+2} + I{-} = I2 + Fe{+2} + SCN{-} =>
2 FeSCN{+2} + 2 I{-} = I2 + 2 Fe{+2} + 2 SCN{-}
Al + HBr = H2 + AlBr3 =>
2 Al + 6 HBr = 3 H2 + 2 AlBr3
CaI2 + H2 = Ca + HI =>
CaI2 + H2 = Ca + 2 HI
K2SIO3 + HCl = KCl + H2SIO3 =>
K2SIO3 + 2 HCl = 2 KCl + H2SIO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
NH2(CH2)6NH2HOOC(CH2)4COOH = NH2(CH2)6NHCO(CH2)4COOHH2O =>
NH2(CH2)6NH2HOOC(CH2)4COOH = NH2(CH2)6NHCO(CH2)4COOHH2O
HCOOC5H11 + O2 = CO2 + H2O =>
HCOOC5H11 + 8 O2 = 6 CO2 + 6 H2O
C5H11Br + KOH = C5H10 + KBr + H2O =>
C5H11Br + KOH = C5H10 + KBr + H2O
MnSO4Mn = Mn2SO4 =>
MnSO4Mn = Mn2SO4
EuC2 + H2O = Eu(OH)2 + C2H2 =>
EuC2 + 2 H2O = Eu(OH)2 + C2H2
Zn(OH) + HCl = ZnCl + H(OH) =>
Zn(OH) + HCl = ZnCl + H(OH)
FeCl3 + NH3 + HCl = FeNH3 + HCl4 =>
FeCl3 + NH3 + HCl = FeNH3 + HCl4
FeCl3 + NaCl = NaFeCl4 =>
FeCl3 + NaCl = NaFeCl4
Na + HCl = NaCl + H2 =>
2 Na + 2 HCl = 2 NaCl + H2
AgNO3HS = AgSHNO3 =>
AgNO3HS = AgSHNO3
EuC2 + H2O = Eu(OH)2 + C2H2 =>
EuC2 + 2 H2O = Eu(OH)2 + C2H2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Br2O5 + NaOH = Br(OH)5 + Na2O =>
Br2O5 + 10 NaOH = 2 Br(OH)5 + 5 Na2O
CH3MgBr + CH3CH2OH = CH4 + CH3CH2OMgBr =>
CH3MgBr + CH3CH2OH = CH4 + CH3CH2OMgBr
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