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2 CrO4{2-} + 6 Fe(OH)2 + 5 H2O = Cr2O3 + 6 Fe(OH)3 + 4 OH{-}
N + H2O = NH4NO2 =>
2 N + 2 H2O = NH4NO2
H2S + H2O2 = H2SO4 + H2O =>
H2S + 4 H2O2 = H2SO4 + 4 H2O
NO2 + Zn = ZnO + N2 =>
2 NO2 + 4 Zn = 4 ZnO + N2
C5H12(g) + O2(g) = CO2(g) + H2O(g) =>
C5H12(g) + 8 O2(g) = 5 CO2(g) + 6 H2O(g)
K2C2O4 + H2O = K{+} + HC2O4{-} + OH{-} =>
K2C2O4 + H2O = 2 K{+} + HC2O4{-} + OH{-}
Mg + Zn(No3)3 = Mg(No3)2 + Zn =>
3 Mg + 2 Zn(No3)3 = 3 Mg(No3)2 + 2 Zn
KOH + HCl = KCl + H2O =>
KOH + HCl = KCl + H2O
MnO + C = Mn + CO2 =>
2 MnO + C = 2 Mn + CO2
S + HNO2 = H2SO4 + NO + H2O =>
S + 6 HNO2 = H2SO4 + 6 NO + 2 H2O
Br = Br2 =>
2 Br = Br2
SnO2 + H2 = Sn + H2O* =>
SnO2 + 2 H2 = Sn + 2 H2O*
Fe(s) + HCl = FeCl2(aq) + H2 =>
Fe(s) + 2 HCl = FeCl2(aq) + H2
CoSO4(aq) + Na2CO3(aq) = CoCO3 + Na2SO4 =>
CoSO4(aq) + Na2CO3(aq) = CoCO3 + Na2SO4
MnO2 + PbO2 + HNO3 = HMnO4 + Pb(NO3)2 + H2 =>
2 MnO2 + 2 PbO2 + 4 HNO3 = 2 HMnO4 + 2 Pb(NO3)2 + H2
Cr(NO3)3 + Na2CO3 + H2O = Cr(OH)3 + NaNO3 + CO2 =>
2 Cr(NO3)3 + 3 Na2CO3 + 3 H2O = 2 Cr(OH)3 + 6 NaNO3 + 3 CO2
NO2{-} + H2O = NO3{-} + H =>
NO2{-} + H2O = NO3{-} + 2 H
B + HNO3 = B3NO3 + NO2 + H2O =>
3 B + 2 HNO3 = B3NO3 + NO2 + H2O
Rb + N2 = Rb3N22323 =>
6 Rb + 22323 N2 = 2 Rb3N22323
KOH + HCl = KCl + H2O =>
KOH + HCl = KCl + H2O
Mg(OH)2 + H2 = Mg + H2O =>
Mg(OH)2 + H2 = Mg + 2 H2O
Na(HCO3) = Na(OH) + CO2 =>
Na(HCO3) = Na(OH) + CO2
SO2 + CaCO3 + O2 + H2O = CaSO4*2H2O + CO2 =>
2 SO2 + 2 CaCO3 + O2 + 4 H2O = 2 CaSO4*2H2O + 2 CO2
Na3(PO4) + Ni(NO3)2 = Ni3(PO4)2 + Na(NO3) =>
2 Na3(PO4) + 3 Ni(NO3)2 = Ni3(PO4)2 + 6 Na(NO3)
NaCl(aq) = Na(s) + Cl2(g) =>
2 NaCl(aq) = 2 Na(s) + Cl2(g)
PbO + NaOH + H2O = Na[Pb(OH)3] =>
PbO + NaOH + H2O = Na[Pb(OH)3]
CO + HO = CO2 + H2O =>
CO + 2 HO = CO2 + H2O
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
FeCl2 + NH4OH = Fe(OH)2 + NH4Cl =>
FeCl2 + 2 NH4OH = Fe(OH)2 + 2 NH4Cl
Pb(NO3)2 + CsF = PbF2 + CsNO3 =>
Pb(NO3)2 + 2 CsF = PbF2 + 2 CsNO3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
SnO2 + H2 = Sn + H2O* =>
SnO2 + 2 H2 = Sn + 2 H2O*
Ba(NO3)2(aq) + Li2SO4(aq) = LiNO3(aq) + BaSO4(s) =>
Ba(NO3)2(aq) + Li2SO4(aq) = 2 LiNO3(aq) + BaSO4(s)
CH3C6H4NH2 + HCl = CH3C6H4NH3 + Cl =>
CH3C6H4NH2 + HCl = CH3C6H4NH3 + Cl
HBrO4 = Br2O7 + H2O =>
2 HBrO4 = Br2O7 + H2O
ZrO(NO3)2 + NaOH = ZrO(OH)2 + Na(NO3) =>
ZrO(NO3)2 + 2 NaOH = ZrO(OH)2 + 2 Na(NO3)
AgCl + F = AgF + Cl =>
AgCl + F = AgF + Cl
NH4Cl + KNO2 = N2 + KCl + H2O =>
NH4Cl + KNO2 = N2 + KCl + 2 H2O
H2MnO4 + Fe(OH)3 = Fe2(MnO4)3 + H2O =>
3 H2MnO4 + 2 Fe(OH)3 = Fe2(MnO4)3 + 6 H2O
CuO(s) + C = Cu + CO =>
CuO(s) + C = Cu + CO
Ca(NO3)2(aq) + KCl(aq) = CaCl2 + KNO3 =>
Ca(NO3)2(aq) + 2 KCl(aq) = CaCl2 + 2 KNO3
NaCl + SO3 = Cl2 + SO2 + Na2S2O7 =>
2 NaCl + 3 SO3 = Cl2 + SO2 + Na2S2O7
Na2S4O6 + HCl + Al = NaCl + Al2Cl6 + H2O + H2S =>
Na2S4O6 + 20 HCl + 6 Al = 2 NaCl + 3 Al2Cl6 + 6 H2O + 4 H2S
Al2(SO4)3 + ZnCl2 = AlCl3 + ZnSO4 =>
Al2(SO4)3 + 3 ZnCl2 = 2 AlCl3 + 3 ZnSO4
Na3PO4(aq) + KNO3(aq) = NaNO3(aq) + K3PO4(aq) =>
Na3PO4(aq) + 3 KNO3(aq) = 3 NaNO3(aq) + K3PO4(aq)
Mn + I2 = MnI3 =>
2 Mn + 3 I2 = 2 MnI3
Al2O3 + Na2O = Na2Al2O4 =>
Al2O3 + Na2O = Na2Al2O4
Al + Hg(CH3)2 = Al(CH3)3 + Hg =>
2 Al + 3 Hg(CH3)2 = 2 Al(CH3)3 + 3 Hg
Cu(NH3)4 + K4[Fe(CN)6*] = Cu2Fe(CN)6 + K + (NH3)4 =>
2 Cu(NH3)4 + K4[Fe(CN)6*] = Cu2Fe(CN)6 + 4 K + 2(NH3)4
MnO2 + Na2CO3 + KClO3 = NaMnO4 + CO2 + KCl =>
2 MnO2 + Na2CO3 + KClO3 = 2 NaMnO4 + CO2 + KCl
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