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2 H2S + Ca(OH)2 = Ca(HS)2 + 2 H2O
Al{3} + H2SO4 = Al2(SO4)3 + H{+} =>
2 Al{3} + 3 H2SO4 = Al2(SO4)3 + 6 H{+}
CH3CH2COOK + HCl = CH3CH2COOH + KCl =>
CH3CH2COOK + HCl = CH3CH2COOH + KCl
NaF(aq) + HBr(aq) = NaBr(aq) + HF(aq) =>
NaF(aq) + HBr(aq) = NaBr(aq) + HF(aq)
Cr3{+} + OH{-} + ClO3{-} = CrO4{2-} + Cl{-} + H2O =>
6 Cr3{+} + 42 OH{-} + 17 ClO3{-} = 18 CrO4{2-} + 17 Cl{-} + 21 H2O
K3P + H2O = KOH + PH3 =>
K3P + 3 H2O = 3 KOH + PH3
Pb(NO3)2 + Sb2S3 = PbS + Sb(NO3)3 =>
3 Pb(NO3)2 + Sb2S3 = 3 PbS + 2 Sb(NO3)3
NaHCO3(s)HCH3CO2(aq) = NaCH3CO2(aq)CO2(g)H2O(l) =>
NaHCO3(s)HCH3CO2(aq) = NaCH3CO2(aq)CO2(g)H2O(l)
NH + I = NI3 + H2 =>
2 NH + 6 I = 2 NI3 + H2
(NH4)3PO4 + Ba(NO3)2 = NH4NO3 + (Ba)3(PO4)2 =>
2(NH4)3PO4 + 3 Ba(NO3)2 = 6 NH4NO3 + (Ba)3(PO4)2
CuBr2 + HBr + C2H8N2 = (H3C2H8N2)2(CuBr4)3 =>
3 CuBr2 + 6 HBr + 2 C2H8N2 = (H3C2H8N2)2(CuBr4)3
KCr(SO4)2 + Na2S + H2O = Cr(OH)3 + K2SO4 + H2S + Na2SO4 =>
2 KCr(SO4)2 + 3 Na2S + 6 H2O = 2 Cr(OH)3 + K2SO4 + 3 H2S + 3 Na2SO4
Na2SO3 + KMnO4 + NaHSO4 = K2SO4 + MnSO4 + Na2SO4 + H2O =>
5 Na2SO3 + 2 KMnO4 + 6 NaHSO4 = K2SO4 + 2 MnSO4 + 8 Na2SO4 + 3 H2O
MgSO4 + H2O = (MgOH)2(SO4) + H2SO4 =>
2 MgSO4 + 2 H2O = (MgOH)2(SO4) + H2SO4
C9H19COOH + Na2CO3 = C9H19COONa + CO + H2O =>
37 C9H19COOH + 18 Na2CO3 = 36 C9H19COONa + 28 CO + 28 H2O
HI + Ca = H2Ca + I =>
2 HI + Ca = H2Ca + 2 I
FeS + NaCl = FeCl + SNa =>
FeS + NaCl = FeCl + SNa
KMnO4 + H2SO4 + Na2SO3 = MnO2 + H2O + Na2SO4 + K2SO4 =>
2 KMnO4 + H2SO4 + 3 Na2SO3 = 2 MnO2 + H2O + 3 Na2SO4 + K2SO4
FeCl3(aq) + K4[Fe(CN)6] = Fe4[Fe(CN)6]3(aq) + KCl(aq) =>
4 FeCl3(aq) + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3(aq) + 12 KCl(aq)
MnO3 + NaOH = Na2MnO4 + H2O =>
MnO3 + 2 NaOH = Na2MnO4 + H2O
HClO2 + Na(OH) = H2O + NaClO2 =>
HClO2 + Na(OH) = H2O + NaClO2
C2H2OH + O2 = CO + HH20 =>
14 C2H2OH + 7 O2 = 28 CO + 2 HH20
Na(CO3) + Ca(NO3)2 = NaNO3 + Ca(CO3)2 =>
2 Na(CO3) + Ca(NO3)2 = 2 NaNO3 + Ca(CO3)2
Fe{2+} + MnO4{-} + H3O{+} = Fe{3+} + Mn{2+} + H2O =>
5 Fe{2+} + MnO4{-} + 8 H3O{+} = 5 Fe{3+} + Mn{2+} + 12 H2O
H2Se + Bi2O3 = Bi2Se3 + H2O =>
3 H2Se + Bi2O3 = Bi2Se3 + 3 H2O
Fe{2+} + Zn{+} = Zn{2+} + Fe =>
Fe{2+} + 2 Zn{+} = 2 Zn{2+} + Fe
NaOH + C6H8O6 = H2O + NaC6H7O6 =>
NaOH + C6H8O6 = H2O + NaC6H7O6
Al3 + Fe(NO3)2 = Fe2 + Al(NO3)3 =>
4 Al3 + 18 Fe(NO3)2 = 9 Fe2 + 12 Al(NO3)3
CaCl2 + (NH4)2HPO4 = Ca3(PO4)2 + NH4Cl + HCl =>
3 CaCl2 + 2(NH4)2HPO4 = Ca3(PO4)2 + 4 NH4Cl + 2 HCl
KH2PO4 + NaOH = Na2HPO4 + KOH + H2O =>
KH2PO4 + 2 NaOH = Na2HPO4 + KOH + H2O
CaCO3 + HCOOH = Ca(HCOO)2 + H2O + CO2 =>
CaCO3 + 2 HCOOH = Ca(HCOO)2 + H2O + CO2
Al3 + Fe(NO3)2 = Fe2 + Al(NO3)3 =>
4 Al3 + 18 Fe(NO3)2 = 9 Fe2 + 12 Al(NO3)3
CaCl2(aq) + NH4Cl + K4[Fe(CN)6] = (NH4)2Ca[Fe(CN)6] + KCl =>
CaCl2(aq) + 2 NH4Cl + K4[Fe(CN)6] = (NH4)2Ca[Fe(CN)6] + 4 KCl
I2 + NaOH = NaI + IO3 + H2O =>
7 I2 + 12 NaOH = 12 NaI + 2 IO3 + 6 H2O
C4H9OH + O2 = C4H7O2H + H2O =>
C4H9OH + O2 = C4H7O2H + H2O
Ca3N2 + HCl = CaCl2 + NH4Cl =>
Ca3N2 + 8 HCl = 3 CaCl2 + 2 NH4Cl
Sn + Na2(NO3) = Na + Sn2(NO3)4 =>
2 Sn + 4 Na2(NO3) = 8 Na + Sn2(NO3)4
Cr(OH)3 + HI = Cr(I)3 + H2O =>
Cr(OH)3 + 3 HI = Cr(I)3 + 3 H2O
KBr + KOH + NO2 = KBrO3 + H2O + KNO =>
KBr + 2 KOH + 2 NO2 = KBrO3 + H2O + 2 KNO
Mn(NO3)2 + K4[Fe(CN)6] = Mn2[Fe(CN)6] + KNO3 =>
2 Mn(NO3)2 + K4[Fe(CN)6] = Mn2[Fe(CN)6] + 4 KNO3
Al3 + Fe(NO3)2 = Fe2 + Al(NO3)3 =>
4 Al3 + 18 Fe(NO3)2 = 9 Fe2 + 12 Al(NO3)3
CuO + CH4O = Cu + CO2 + H2O =>
3 CuO + CH4O = 3 Cu + CO2 + 2 H2O
S + OH{-} + Br2 = BrO3{-} + S2{-} + H2O =>
20 S + 12 OH{-} + Br2 = 2 BrO3{-} + 10 S2{-} + 6 H2O
(NH4)MoO4 + Na3PO4 + HNO3 = (NH4)3[P(Mo3O10)4] + H2O + NaNO3 + NH3 =>
24(NH4)MoO4 + 2 Na3PO4 + 3 HNO3 = 2(NH4)3[P(Mo3O10)4] + 15 H2O + 6 NaNO3 + 15 NH3
Al3 + Fe(NO3)2 = Fe2 + Al(NO3)3 =>
4 Al3 + 18 Fe(NO3)2 = 9 Fe2 + 12 Al(NO3)3
K2Cr2O7 + Na2S + H2SO4 = Cr2(SO4)3 + K2SO4 + Na2SO4 + H2O =>
4 K2Cr2O7 + 3 Na2S + 16 H2SO4 = 4 Cr2(SO4)3 + 4 K2SO4 + 3 Na2SO4 + 16 H2O
Mg(s) + CuSO4(aq) = MgSO4(g) + Cu(g) =>
Mg(s) + CuSO4(aq) = MgSO4(g) + Cu(g)
CH3NH3 + CH3O = CH3NH2 + CH3OH =>
CH3NH3 + CH3O = CH3NH2 + CH3OH
C4H10Cl + O2 = CO2 + H2O + Cl2 =>
2 C4H10Cl + 13 O2 = 8 CO2 + 10 H2O + Cl2
HCl(aq)NaHCO3(s) = NaCl(aq)H2O(l)CO2(g) =>
HCl(aq)NaHCO3(s) = NaCl(aq)H2O(l)CO2(g)
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