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2 HClO4 + K2CO3 = H2CO3 + 2 KClO4
Fe2O3 + P4 = Fe + P2O5 =>
10 Fe2O3 + 3 P4 = 20 Fe + 6 P2O5
Zn + KClO3 + KOH + H2O = K2[Zn(OH)4] + KCl =>
3 Zn + KClO3 + 6 KOH + 3 H2O = 3 K2[Zn(OH)4] + KCl
HI + Li2S = H2S + LiI =>
2 HI + Li2S = H2S + 2 LiI
NO + O = NO2 =>
NO + O = NO2
CuI + KOH = CuOH + KI =>
CuI + KOH = CuOH + KI
Na + C3H5Cl = NaCl + C6H10 =>
2 Na + 2 C3H5Cl = 2 NaCl + C6H10
PbSO3 + HNO3 = Pb(NO3)2 + H2SO3 =>
PbSO3 + 2 HNO3 = Pb(NO3)2 + H2SO3
Cr + H2O2 = Cr(OH)3 =>
2 Cr + 3 H2O2 = 2 Cr(OH)3
CH3COH + KMnO4 + H2SO4 = CH3COOH + KSO4 + MnSO4 + H2O =>
2 CH3COH + KMnO4 + 2 H2SO4 = 2 CH3COOH + KSO4 + MnSO4 + 2 H2O
HSO3{-} + H2O = SO3{2-} + H3O{+} =>
HSO3{-} + H2O = SO3{2-} + H3O{+}
ZnSO3 + Na2SO3 = Na2(Zn(SO3)2) =>
ZnSO3 + Na2SO3 = Na2(Zn(SO3)2)
Br2 + NaHCO3 = NaBrO3 + NaBr + CO2 + H2O =>
3 Br2 + 6 NaHCO3 = NaBrO3 + 5 NaBr + 6 CO2 + 3 H2O
Li + HNO3 = LiNO3 + H2O + NH4NO3 =>
8 Li + 10 HNO3 = 8 LiNO3 + 3 H2O + NH4NO3
Zn(NO2)2 + H3PO4 = Zn3(PO4)2 + N2O3 + H2O =>
3 Zn(NO2)2 + 2 H3PO4 = Zn3(PO4)2 + 3 N2O3 + 3 H2O
HCN + Fe2O3 = Fe(CN)3 + H2O =>
6 HCN + Fe2O3 = 2 Fe(CN)3 + 3 H2O
Mo + HNO3 = H2MoO4 + NO2 + H2 =>
Mo + 4 HNO3 = H2MoO4 + 4 NO2 + H2
HCOOK + H3PO4 = HCOOH + KH2PO4 =>
HCOOK + H3PO4 = HCOOH + KH2PO4
Mg + Zn3(PO4)2 = Mg3(PO4)2 + Zn =>
3 Mg + Zn3(PO4)2 = Mg3(PO4)2 + 3 Zn
PtCl4 + C2H4(NH2)2 = PtCl4C2H4(NH2)2 =>
PtCl4 + C2H4(NH2)2 = PtCl4C2H4(NH2)2
NaNO3 + AgF = NaF + AgNO3 =>
NaNO3 + AgF = NaF + AgNO3
NiCl2 + K2Cr2O7 + H2SO4 = CrO2Cl2 + K2SO4 + NiSO4 + H2O =>
2 NiCl2 + K2Cr2O7 + 3 H2SO4 = 2 CrO2Cl2 + K2SO4 + 2 NiSO4 + 3 H2O
NOCl2 = NO + Cl2 =>
NOCl2 = NO + Cl2
C5H10 + H2 = C2H12 =>
2 C5H10 + 20 H2 = 5 C2H12
Cu + FeS = Cu2S + Fe =>
2 Cu + FeS = Cu2S + Fe
NH4NO3 + NaOH = NaNO2 + H2O + NH3 =>
3 NH4NO3 + 4 NaOH = 4 NaNO2 + 5 H2O + 2 NH3
Li + Cl2 = LiCl =>
2 Li + Cl2 = 2 LiCl
Br + Cl2 = ClBr =>
2 Br + Cl2 = 2 ClBr
H{+} + Sn{2+} + MnO4{-} = Mn{2+} + Sn{4+} + H2O =>
16 H{+} + 5 Sn{2+} + 2 MnO4{-} = 2 Mn{2+} + 5 Sn{4+} + 8 H2O
Cu + AuBr3 = CuBr4 + Au =>
3 Cu + 4 AuBr3 = 3 CuBr4 + 4 Au
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Mn2O3 + NaOH = NaMnO2 + H2O =>
Mn2O3 + 2 NaOH = 2 NaMnO2 + H2O
Br{-} + BrO2{-} + H{+} = Br2 + H2O =>
3 Br{-} + BrO2{-} + 4 H{+} = 2 Br2 + 2 H2O
Mn(NO2) + BeCl2 = Be(NO2) + MnCl2 =>
Mn(NO2) + BeCl2 = Be(NO2) + MnCl2
H2SO4 + K2S = S + K2SO4 + H2O =>
4 H2SO4 + 3 K2S = 4 S + 3 K2SO4 + 4 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
FeCl3 + MnO = Fe2O3 + MnCl2 =>
2 FeCl3 + 3 MnO = Fe2O3 + 3 MnCl2
SF4(g) + H2O(l) = SO2(g) + HF(aq) =>
SF4(g) + 2 H2O(l) = SO2(g) + 4 HF(aq)
Ba(NO3)2 + LiOH = Ba(OH)2 + LiNO3 =>
Ba(NO3)2 + 2 LiOH = Ba(OH)2 + 2 LiNO3
(NH4)2S(aq) + HCl(aq) = NH4Cl(s) + H2S(g) =>
(NH4)2S(aq) + 2 HCl(aq) = 2 NH4Cl(s) + H2S(g)
H2O + As2O3 + NO3{-} = AsO4{-3} + NO + H{+} =>
7 H2O + 3 As2O3 + 4 NO3{-} = 6 AsO4{-3} + 4 NO + 14 H{+}
Al2(SO4)3(aq) + Ca(OH)2(s) = Al(OH)3(s) + CaSO4(s) =>
Al2(SO4)3(aq) + 3 Ca(OH)2(s) = 2 Al(OH)3(s) + 3 CaSO4(s)
C + O2 + N2 + H2 = H2NCH2COOH =>
4 C + 2 O2 + N2 + 5 H2 = 2 H2NCH2COOH
IO3 + Re = ReO4 + I =>
4 IO3 + 3 Re = 3 ReO4 + 4 I
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CH3CH2I + KOH = CH3CH2OH + KI =>
CH3CH2I + KOH = CH3CH2OH + KI
ZnF2 + HCl = ZnCl2 + HF =>
ZnF2 + 2 HCl = ZnCl2 + 2 HF
Fe + CuCl2 = FeCl2 + Cu =>
Fe + CuCl2 = FeCl2 + Cu
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
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