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2 Al2O3 = 4 Al + 3 O2
Na10O5 + H2O = NaOH2 + O2 =>
2 Na10O5 + 20 H2O = 20 NaOH2 + 5 O2
LiCl + (NH4)2CO3 = NH4Cl + Li2CO3 =>
2 LiCl + (NH4)2CO3 = 2 NH4Cl + Li2CO3
Na2CO3 + KCr(SO4)2*12H2O = NaCr(SO4)2 + K2CO3 + H2O =>
Na2CO3 + 2 KCr(SO4)2*12H2O = 2 NaCr(SO4)2 + K2CO3 + 24 H2O
K2[Zn(OH)4] + SO2 = KHSO3 + Zn(OH)2 =>
K2[Zn(OH)4] + 2 SO2 = 2 KHSO3 + Zn(OH)2
CH3OH + KOH = KCH3 + OH =>
CH3OH + KOH = KCH3 + 2 OH
NiCl2*6H2O + [Ni(C2H8N2)3]Cl2* = [Ni(C2H8N2)2Cl]2Cl2 + H2O =>
2 NiCl2*6H2O + 4[Ni(C2H8N2)3]Cl2* = 3[Ni(C2H8N2)2Cl]2Cl2 + 12 H2O
UO2(S) + HF(l) = UF4(S) + H2O =>
UO2(S) + 4 HF(l) = UF4(S) + 2 H2O
NH3 + CH3CH2Cl = CH3CH2NH2 + HCl =>
NH3 + CH3CH2Cl = CH3CH2NH2 + HCl
Zn + NaCN + H2O = Na2[Zn(CN)4] + NaOH + H2 =>
Zn + 4 NaCN + 2 H2O = Na2[Zn(CN)4] + 2 NaOH + H2
Fe + HCl = FeCl2 + hydrogen =>
Fe + 2 HCl = FeCl2 + H2
Fe{2+} + CO3{2-} = FeCO3 =>
Fe{2+} + CO3{2-} = FeCO3
H2SO4 + NaCI = HCI + Na2SO4 =>
H2SO4 + 2 NaCI = 2 HCI + Na2SO4
K2Cr2O7 + Pb(CH3COO)2 = Pb(Cr2O7) + CH3COOK =>
K2Cr2O7 + Pb(CH3COO)2 = Pb(Cr2O7) + 2 CH3COOK
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
FeO12 + C = Fe2O3 + CO2 =>
4 FeO12 + 21 C = 2 Fe2O3 + 21 CO2
CuO + KOH = H2O + K2CuO2 =>
CuO + 2 KOH = H2O + K2CuO2
Ba(C2O4) + K(IO3) = Ba(IO3)2 + K2(C2O4) =>
Ba(C2O4) + 2 K(IO3) = Ba(IO3)2 + K2(C2O4)
NO2(g) + O(g) + H2O(l) = HNO3(aq) =>
2 NO2(g) + O(g) + H2O(l) = 2 HNO3(aq)
AgNO2 + BaSO4 = Ag2(SO4) + Ba(NO2)2 =>
2 AgNO2 + BaSO4 = Ag2(SO4) + Ba(NO2)2
H[AuCl4] = Au2Cl6 + HCl =>
2 H[AuCl4] = Au2Cl6 + 2 HCl
Sr(OH)2 + P2O5 = SrP2O6 + H2O =>
Sr(OH)2 + P2O5 = SrP2O6 + H2O
Al(OH)3 + NH3 = Al(NH3)3 + OH =>
Al(OH)3 + 3 NH3 = Al(NH3)3 + 3 OH
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
KMnO4 + NaCl + H2SO4 = Cl2 + K2SO4 + MnSO4 + H2O + Na2SO4 =>
2 KMnO4 + 10 NaCl + 8 H2SO4 = 5 Cl2 + K2SO4 + 2 MnSO4 + 8 H2O + 5 Na2SO4
KMnO4 + NaI + H2O = MnO2 + KOH + NaOH + I2 =>
2 KMnO4 + 6 NaI + 4 H2O = 2 MnO2 + 2 KOH + 6 NaOH + 3 I2
PbCl2 + CH3COONa = Pb(CH3COO)2 + NaCl =>
PbCl2 + 2 CH3COONa = Pb(CH3COO)2 + 2 NaCl
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
V2O2 + KMnO4 + H2SO4 = V2O3 + MnSO4 + K2SO4 + H2O =>
5 V2O2 + 2 KMnO4 + 3 H2SO4 = 5 V2O3 + 2 MnSO4 + K2SO4 + 3 H2O
Na + N3(s) = Na3N =>
9 Na + N3(s) = 3 Na3N
CaWO4 + Mg = Ca3WO6 + MgO + W =>
3 CaWO4 + 6 Mg = Ca3WO6 + 6 MgO + 2 W
C9H12 + NH3OH = C9H14N + H2O =>
C9H12 + NH3OH = C9H14N + H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Nd2O3 + Sm2O3 + B2O3 + C = NdSmB12 + CO =>
Nd2O3 + Sm2O3 + 12 B2O3 + 42 C = 2 NdSmB12 + 42 CO
Ca + Sc{3+} = Ca{2+} + Sc =>
3 Ca + 2 Sc{3+} = 3 Ca{2+} + 2 Sc
FeCl3 + C = FeC + Cl3 =>
FeCl3 + C = FeC + Cl3
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
N2H4 + I2 = NH3 + NI =>
3 N2H4 + I2 = 4 NH3 + 2 NI
K2CO3 + AlBr3 + H2O = Al(OH)3 + CO2 + KBr =>
3 K2CO3 + 2 AlBr3 + 3 H2O = 2 Al(OH)3 + 3 CO2 + 6 KBr
Fe(s) + SnCl4(aq) = FeCl4(aq) + Sn(s) =>
Fe(s) + SnCl4(aq) = FeCl4(aq) + Sn(s)
Zn + Sn(SO4)2 = Sn + ZnSO4 =>
2 Zn + Sn(SO4)2 = Sn + 2 ZnSO4
H3KI + HN2O2 = N2 + KI + H2O =>
H3KI + HN2O2 = N2 + KI + 2 H2O
H7Cl + Mg(OH)2 = Mg7Cl2 + H2O =>
2 H7Cl + 7 Mg(OH)2 = Mg7Cl2 + 14 H2O
HClO4 + Li2CO3 = CO2 + H2O + LiClO4 =>
2 HClO4 + Li2CO3 = CO2 + H2O + 2 LiClO4
In2O3 + Mn + S = In2S3 + Mn3O4 =>
4 In2O3 + 9 Mn + 12 S = 4 In2S3 + 3 Mn3O4
HCl + FeO = FeCl2 + H2O =>
2 HCl + FeO = FeCl2 + H2O
KCl + H2CrO4 + NaOH = KOH + Na2Cr2O7 + HCl =>
3 KCl + 2 H2CrO4 + 2 NaOH = 3 KOH + Na2Cr2O7 + 3 HCl
(NH4)6Mo7O24 + HCl + Na2SO3 = Mo5O14 + NH4Cl + Na2SO4 + H2O =>
5(NH4)6Mo7O24 + 30 HCl + 7 Na2SO3 = 7 Mo5O14 + 30 NH4Cl + 7 Na2SO4 + 15 H2O
H2SO4 + LiOH = Li2SO4 + HOH =>
H2SO4 + 2 LiOH = Li2SO4 + 2 HOH
HNO3 + Ni = Ni(NO3) + H =>
HNO3 + Ni = Ni(NO3) + H
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