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4 Al + 6 KOH = 6 K + 2 Al2O3 + 3 H2
hydrogen + copper(ii)oxide = copper + water =>
H2 + CuO = Cu + H2O
K2Cr2O7 + BaCl2 + H2SO4 = Cl2 + Cr2(SO4)3 + BaSO4 + K2SO4 + H2O =>
K2Cr2O7 + 3 BaCl2 + 7 H2SO4 = 3 Cl2 + Cr2(SO4)3 + 3 BaSO4 + K2SO4 + 7 H2O
Br2 + Ca(OH)2 = Ca(OBr)2 + CaBr2 + H2O =>
2 Br2 + 2 Ca(OH)2 = Ca(OBr)2 + CaBr2 + 2 H2O
BH3 = B2H6 =>
2 BH3 = B2H6
H2 + ZnO2 = Zn + H2O =>
2 H2 + ZnO2 = Zn + 2 H2O
P2O3 + H2O + O2 = H3(PO4) =>
P2O3 + 3 H2O + O2 = 2 H3(PO4)
H3PO4 + HL = H3P + HLO3 =>
3 H3PO4 + 4 HL = 3 H3P + 4 HLO3
MgS + Zn3(PO4)2 = Mg3(PO4)2 + ZnS =>
3 MgS + Zn3(PO4)2 = Mg3(PO4)2 + 3 ZnS
N2(g) + O2(g) + H2O = HNO3(aq) =>
2 N2(g) + 5 O2(g) + 2 H2O = 4 HNO3(aq)
MgNH4OH = MgOHNH4 =>
MgNH4OH = MgOHNH4
Kr3 = Kr8 =>
8 Kr3 = 3 Kr8
CH3COOH + NaOH = CH3COONa + H2O =>
CH3COOH + NaOH = CH3COONa + H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Sn + HF = SnF2 + H2 =>
Sn + 2 HF = SnF2 + H2
Zn + H{+} = Zn{2+} + H2{+} =>
Zn + 4 H{+} = Zn{2+} + 2 H2{+}
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
CaSO3 + HCl = H2SO3 + CaCl2 =>
CaSO3 + 2 HCl = H2SO3 + CaCl2
CaSO3 + HCl = CaCl2 + H2O + SO2 =>
CaSO3 + 2 HCl = CaCl2 + H2O + SO2
NaIO4 + Na2SO3 + H2SO4 = I2 + Na2SO4 + H2O =>
2 NaIO4 + 7 Na2SO3 + H2SO4 = I2 + 8 Na2SO4 + H2O
PbS + NH4OH = Pb(OH)2 + (NH4)2S =>
PbS + 2 NH4OH = Pb(OH)2 + (NH4)2S
KHCO3 + HCl = H2CO3 + KCl =>
KHCO3 + HCl = H2CO3 + KCl
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
Mg(NO3) + Na(PO4)3 = Mg(PO4)3 + Na(NO3) =>
Mg(NO3) + Na(PO4)3 = Mg(PO4)3 + Na(NO3)
H2S + Cr2O7 = H2O + Cr + S8 =>
56 H2S + 8 Cr2O7 = 56 H2O + 16 Cr + 7 S8
NaOH + NH3 = NaH3 + NOH =>
NaOH + NH3 = NaH3 + NOH
Ne + H2O = H2 + NeOH =>
2 Ne + 2 H2O = H2 + 2 NeOH
Pa + O2 = PaO3 =>
2 Pa + 3 O2 = 2 PaO3
Na + N2 = *2Na3N =>
6 Na + N2 = *2Na3N
HClKHCO3 = KClH2CO3 =>
HClKHCO3 = KClH2CO3
Na + AgCl = NaClAg =>
Na + AgCl = NaClAg
Cu(OH)2 + H3PO4 = Cu3 + (PO4)2 + H2(OH)3 =>
9 Cu(OH)2 + 4 H3PO4 = 3 Cu3 + 2(PO4)2 + 6 H2(OH)3
FeSO4*7H2O + KOH = FeO + K2SO4 + H2O =>
FeSO4*7H2O + 2 KOH = FeO + K2SO4 + 8 H2O
Al(ClO3)3 = AlCl3 + O2 =>
2 Al(ClO3)3 = 2 AlCl3 + 9 O2
Ca + Ag(No3)2 = Ca(No3)2 + Ag =>
Ca + Ag(No3)2 = Ca(No3)2 + Ag
Al2(SO4)3 + NH4NO3 = (NH4)2SO4 + Al(NO3)3 =>
Al2(SO4)3 + 6 NH4NO3 = 3(NH4)2SO4 + 2 Al(NO3)3
H{+}(aq) + Cr2O7{-}(aq) + C2H5OH(l) = Cr{3+}(aq) + CO2(g) + H2O(l) =>
84 H{+}(aq) + 12 Cr2O7{-}(aq) + 7 C2H5OH(l) = 24 Cr{3+}(aq) + 14 CO2(g) + 63 H2O(l)
Cl2 + H2O + I2 = H5IO6 + HCl =>
7 Cl2 + 12 H2O + I2 = 2 H5IO6 + 14 HCl
Cl2 + Li2O = LiCl + O =>
Cl2 + Li2O = 2 LiCl + O
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
NaOH + Cl2 = NaO + HCl =>
2 NaOH + Cl2 = 2 NaO + 2 HCl
CrO4{-2} + H2O + HSnO2{-} = CrO2{-} + OH{-} + HSnO3 =>
CrO4{-2} + H2O + HSnO2{-} = CrO2{-} + 2 OH{-} + HSnO3
K2 = K3 =>
3 K2 = 2 K3
Ag2O + H2O = Ag(OH) =>
Ag2O + H2O = 2 Ag(OH)
Cr + KOH + H2O = K3[Cr(OH)4] + H2 =>
2 Cr + 6 KOH + 2 H2O = 2 K3[Cr(OH)4] + H2
KClO3 + KSCN = KCl + SO2 + KOCN =>
KClO3 + KSCN = KCl + SO2 + KOCN
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
[Cu(NH3)4](ClO3)2 = N2 + H2O + CuCl2 =>
[Cu(NH3)4](ClO3)2 = 2 N2 + 6 H2O + CuCl2
S + NO3{-} + H{+} = S4O6{2-} + NO2 + H2O =>
4 S + 10 NO3{-} + 8 H{+} = S4O6{2-} + 10 NO2 + 4 H2O
Na2S + MgCl2 = MgS + NaCl =>
Na2S + MgCl2 = MgS + 2 NaCl
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