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2 K + 2 H2O = 2 KOH + H2
Pd(NH3)4Cl2 = Pd + N2 + Cl2 + H2 =>
Pd(NH3)4Cl2 = Pd + 2 N2 + Cl2 + 6 H2
Fe + CuCl2 = Cu + FeCl =>
2 Fe + CuCl2 = Cu + 2 FeCl
K + Pb(SO4)2 = K2SO4 + Pb =>
4 K + Pb(SO4)2 = 2 K2SO4 + Pb
K3N = K + N =>
K3N = 3 K + N
CHCl3 + NH3 + KOH = KCN + KCl + H2O =>
CHCl3 + NH3 + 4 KOH = KCN + 3 KCl + 4 H2O
KBr + Fe2(SO4)3 = Br + KSO4 + FeSO4 =>
KBr + Fe2(SO4)3 = Br + KSO4 + 2 FeSO4
K + Cl2 = K2Cl(s) =>
4 K + Cl2 = 2 K2Cl(s)
Be + Al2(SO4)3 = BeSO4 + Al =>
3 Be + Al2(SO4)3 = 3 BeSO4 + 2 Al
CrSO4 + Sr(OH)2 = Cr(OH)2 + SrSO4 =>
CrSO4 + Sr(OH)2 = Cr(OH)2 + SrSO4
CrCl3 + NaBrO + NaOH = Na2CrO4 + NaBr + NaCl + H2O =>
2 CrCl3 + 3 NaBrO + 10 NaOH = 2 Na2CrO4 + 3 NaBr + 6 NaCl + 5 H2O
HgS = Hg + S =>
HgS = Hg + S
CuCO2 = CO2 + Cu =>
CuCO2 = CO2 + Cu
S + As5 = AsS5 =>
25 S + As5 = 5 AsS5
Mg + Cu{2+} = Mg{2+}{+} + Cu =>
Mg + Cu{2+} = Mg{2+}{+} + Cu
CoO + H2SO4 = Co(HSO4)2 + H2O =>
CoO + 2 H2SO4 = Co(HSO4)2 + H2O
SnCl2 + HCl = H2[SnCl4] =>
SnCl2 + 2 HCl = H2[SnCl4]
CH510 + O2 = CO2 + H2O =>
2 CH510 + 257 O2 = 2 CO2 + 510 H2O
H3CHO + K2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + H2O + K2SO4 =>
6 H3CHO + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 14 H2O + 2 K2SO4
C2H4 + Br2 = (CH2Br) =>
C2H4 + Br2 = 2(CH2Br)
Rh(CO3)3 = RhO3 + CO2 =>
Rh(CO3)3 = RhO3 + 3 CO2
Fe(s) + H2O = H2(g) + Fe2O3(s) =>
2 Fe(s) + 3 H2O = 3 H2(g) + Fe2O3(s)
I{-} + H{+} + Mn(OH)3 = Mn{2+} + I3{-} + H2O =>
3 I{-} + 6 H{+} + 2 Mn(OH)3 = 2 Mn{2+} + I3{-} + 6 H2O
CO + Fe2O3 = CO2 + Fe2 =>
3 CO + Fe2O3 = 3 CO2 + Fe2
C6H11OH + O2 = CO2 + H2O =>
2 C6H11OH + 17 O2 = 12 CO2 + 12 H2O
Al{+3} + NO2{-} = Al(NO2)3 =>
Al{+3} + 3 NO2{-} = Al(NO2)3
CuSO4 + Sr(OH)2 = Cu(OH)2 + SrSO4 =>
CuSO4 + Sr(OH)2 = Cu(OH)2 + SrSO4
CuSO3 + HF = CuF2 + H2SO3 =>
CuSO3 + 2 HF = CuF2 + H2SO3
Al(s) + HSO4(aq) = H2 + AlSO4 =>
2 Al(s) + 2 HSO4(aq) = H2 + 2 AlSO4
Fe3O4 + FeS = FeO + SO4 =>
5 Fe3O4 + FeS = 16 FeO + SO4
Pb(CH3COO)2 + NaOH + Ca(ClO)2 = Na[Pb(OH)3] + (CH3COO)2Ca + NaClO =>
Pb(CH3COO)2 + 3 NaOH + Ca(ClO)2 = Na[Pb(OH)3] + (CH3COO)2Ca + 2 NaClO
HI + Ca(NO3)2 = CaI2 + HNO3 =>
2 HI + Ca(NO3)2 = CaI2 + 2 HNO3
FeOH + Cl = FeOHCl =>
FeOH + Cl = FeOHCl
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NiBr2(aq) + (NH4)2S(aq) = NiS(s) + NH4Br(aq) =>
NiBr2(aq) + (NH4)2S(aq) = NiS(s) + 2 NH4Br(aq)
Li2S + O2 = LiO2 + SO2 =>
Li2S + 3 O2 = 2 LiO2 + SO2
K2SnO2 + Br2 + KOH = KBr + K2SnO3 + H2O =>
K2SnO2 + Br2 + 2 KOH = 2 KBr + K2SnO3 + H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
LiCl + MgNO3 = LiNO3 + MgCl =>
LiCl + MgNO3 = LiNO3 + MgCl
SrCl2 + FeI2 = SrI2 + FeCl2 =>
SrCl2 + FeI2 = SrI2 + FeCl2
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
SO3 + CO2 = SCO + O2 =>
SO3 + CO2 = SCO + 2 O2
Ac + O2 = Ac2O3 =>
4 Ac + 3 O2 = 2 Ac2O3
KHCO3 + Cl = KCl + HCO3 =>
KHCO3 + Cl = KCl + HCO3
Si + HNO3 + HF = HSiF4 + NO2 + H2O =>
Si + 3 HNO3 + 4 HF = HSiF4 + 3 NO2 + 3 H2O
MnO2 + NaCl + H2SO4 = Na2SO4 + MnSO4 + Cl2 + H2O =>
MnO2 + 2 NaCl + 2 H2SO4 = Na2SO4 + MnSO4 + Cl2 + 2 H2O
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
Ca(OH)2(aq) + MgCl2(aq) = Mg(OH)2 + CaCl2 =>
Ca(OH)2(aq) + MgCl2(aq) = Mg(OH)2 + CaCl2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
MgCl2 + HNO3 = Mg(NO3)2 + HCl =>
MgCl2 + 2 HNO3 = Mg(NO3)2 + 2 HCl
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