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2 Na + 2 H2O = 2 NaOH + H2
C7H7NO + NaOH = C7H5NO + Na + H2O =>
C7H7NO + 2 NaOH = C7H5NO + 2 Na + 2 H2O
H2SO4 + Mn = Mn(SO4)2 + H2 =>
2 H2SO4 + Mn = Mn(SO4)2 + 2 H2
FeSO4(aq) + K2Cr2O7(aq) + H2SO4(aq) = Cr2(SO4)3(aq) + Fe2(SO4)3(aq) + K2SO4(aq) + H2O(l) =>
6 FeSO4(aq) + K2Cr2O7(aq) + 7 H2SO4(aq) = Cr2(SO4)3(aq) + 3 Fe2(SO4)3(aq) + K2SO4(aq) + 7 H2O(l)
TiO + Al = AlO + Ti =>
TiO + Al = AlO + Ti
CaCO3 + H(H3C2O2) = HCO3 + Ca(C2H3O2) =>
CaCO3 + H(H3C2O2) = HCO3 + Ca(C2H3O2)
Se + HF = SeF3 + H2 =>
2 Se + 6 HF = 2 SeF3 + 3 H2
Na2CO3CaCl2 = CaCO3 + NaCl =>
Na2CO3CaCl2 = CaCO3 + 2 NaCl
CH4CO + K2Cr2O7 + H2SO4 = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH4CO + K2Cr2O7 + 4 H2SO4 = 3 CH3COOH + K2SO4 + Cr2(SO4)3 + 4 H2O
V2O5 + H2 = V + H2O =>
V2O5 + 5 H2 = 2 V + 5 H2O
KClO3 + CuO = KClO4 + Cu =>
KClO3 + CuO = KClO4 + Cu
As + HCl = AsCl + H2 =>
2 As + 2 HCl = 2 AsCl + H2
AgNO3 + ZnI2 = AgI + Zn(NO3)2 =>
2 AgNO3 + ZnI2 = 2 AgI + Zn(NO3)2
Pb + Au3{+} = Pb2{+} + Au =>
2 Pb + Au3{+} = Pb2{+} + 3 Au
NaCl + H2SO4 + K2Cr2O7 = Cl2 + CrCl3 + H2O + K2SO4 + Na2SO4 =>
12 NaCl + 7 H2SO4 + K2Cr2O7 = 3 Cl2 + 2 CrCl3 + 7 H2O + K2SO4 + 6 Na2SO4
Fe2O3(s) + Mg(s) = MgO(s) + Fe(s) =>
Fe2O3(s) + 3 Mg(s) = 3 MgO(s) + 2 Fe(s)
C3H4COOH + O2 = CO3 + H2O =>
4 C3H4COOH + 25 O2 = 16 CO3 + 10 H2O
Zn + [Hg(SCN)4] = Zn[Hg(SCN)4] =>
Zn + [Hg(SCN)4] = Zn[Hg(SCN)4]
Fe(NO3)3 + KCl = Fe(NO3)2 + Cl2 + KNO3 =>
2 Fe(NO3)3 + 2 KCl = 2 Fe(NO3)2 + Cl2 + 2 KNO3
FeCO3 + HBr = FeBr2 + CO2 + H2O =>
FeCO3 + 2 HBr = FeBr2 + CO2 + H2O
HCl + Al2(SO4)3 = AlCl3 + H2SO4 =>
6 HCl + Al2(SO4)3 = 2 AlCl3 + 3 H2SO4
Ca(No3)2 + Na2C2O4 = Ca(No3)2Na + C2O4 =>
2 Ca(No3)2 + Na2C2O4 = 2 Ca(No3)2Na + C2O4
HCCH + KMnO4 + H2O = (COOH)2 + MnO2 + KOH =>
3 HCCH + 8 KMnO4 + 4 H2O = 3(COOH)2 + 8 MnO2 + 8 KOH
Cu(NO3)2(aq)NaOH(aq) = CuOH(s) + Na(NO3)2(aq) =>
Cu(NO3)2(aq)NaOH(aq) = CuOH(s) + Na(NO3)2(aq)
BaCl2 + Na2S = BaS + NaCl =>
BaCl2 + Na2S = BaS + 2 NaCl
C + Ca(OH)2 + O2 = CaCO3 + HCO2 =>
6 C + 2 Ca(OH)2 + 5 O2 = 2 CaCO3 + 4 HCO2
Fe + Sn(NO3)4 = Fe(NO3)3 + Sn =>
4 Fe + 3 Sn(NO3)4 = 4 Fe(NO3)3 + 3 Sn
KMnO4 + HCl + H2SO4 = MnSO4 + HClO + K2SO4 + H2O =>
2 KMnO4 + 5 HCl + 3 H2SO4 = 2 MnSO4 + 5 HClO + K2SO4 + 3 H2O
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
C8H9O + H2 = CH4 + H2O =>
2 C8H9O + 25 H2 = 16 CH4 + 2 H2O
Cr2O3 + H{+} = Cr{+3} + H2O =>
Cr2O3 + 6 H{+} = 2 Cr{+3} + 3 H2O
KCO3 + HCl = KCl + HCO3 =>
KCO3 + HCl = KCl + HCO3
H2SO4 + SbCl3 = HCl + Sb2S3 + O =>
3 H2SO4 + 2 SbCl3 = 6 HCl + Sb2S3 + 12 O
LaCl3 + Ca(OH)2 = La(OH)3 + CaCl2 =>
2 LaCl3 + 3 Ca(OH)2 = 2 La(OH)3 + 3 CaCl2
CH3CH2OH + C2CH3OH = CH3CH2COOCH2CH3 =>
CH3CH2OH + C2CH3OH = CH3CH2COOCH2CH3
H2 + NaCI = HCI + Na =>
H2 + 2 NaCI = 2 HCI + 2 Na
N2(g) + O2(g) + H2O = HNO3(aq) = =>
2 N2(g) + 5 O2(g) + 2 H2O = 4 HNO3(aq)
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
NaOH + Al3 = Al(OH)3 + Na =>
9 NaOH + Al3 = 3 Al(OH)3 + 9 Na
MnSO4*H2O + Na2CO3 + KNO3 = Na2MnO4 + KNO2 + Na2SO4 + CO2 + H2O =>
MnSO4*H2O + 2 Na2CO3 + 2 KNO3 = Na2MnO4 + 2 KNO2 + Na2SO4 + 2 CO2 + H2O
H3PO2 + NaOH = NaPO + H2O =>
H3PO2 + NaOH = NaPO + 2 H2O
Cu{2+} + Fe = Cu + Fe{2+} =>
Cu{2+} + Fe = Cu + Fe{2+}
CN{-} + OH{-} = CNO{-} + H2O + e =>
CN{-} + 2 OH{-} = CNO{-} + H2O + 2e
Zn(OH)2 + K2O = ZnO + KOH =>
Zn(OH)2 + K2O = ZnO + 2 KOH
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Pb(NH3)2 + K2CrO4 = PbCrO4 + KNH3 =>
Pb(NH3)2 + K2CrO4 = PbCrO4 + 2 KNH3
NH3 + C2H2O4 = (NH4)2C2O4 =>
2 NH3 + C2H2O4 = (NH4)2C2O4
Mg(OH)2 + NaOH = Na2MgO2(aq) + H2O(l) =>
Mg(OH)2 + 2 NaOH = Na2MgO2(aq) + 2 H2O(l)
C + H2 = CH4 =>
C + 2 H2 = CH4
HCOOH + Al(OH)3 = Al(HCOO)3 + H2O =>
3 HCOOH + Al(OH)3 = Al(HCOO)3 + 3 H2O
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