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CaCO3 = CaO + CO2
Na3[Ag(SCN)4] + Na2S2O3 = Na5[Ag(S2O3)3] + NaSCN =>
Na3[Ag(SCN)4] + 3 Na2S2O3 = Na5[Ag(S2O3)3] + 4 NaSCN
KBr(aq) + Pb(NO3)2(aq) = PbBr2(aq) + K(NO3)(aq) =>
2 KBr(aq) + Pb(NO3)2(aq) = PbBr2(aq) + 2 K(NO3)(aq)
H2SO4 + KHCO3 = K2SO4 + H2CO3 =>
H2SO4 + 2 KHCO3 = K2SO4 + 2 H2CO3
Cu + CH3COOH = CH3COOCu + H2 =>
2 Cu + 2 CH3COOH = 2 CH3COOCu + H2
Mn{2+} + S2O8{2-} + H2O = MnO4{-} + HSO4{-} + H{+} =>
2 Mn{2+} + 5 S2O8{2-} + 8 H2O = 2 MnO4{-} + 10 HSO4{-} + 6 H{+}
Fe2(SO3)3 + HNO3 = Fe2(SO4)3 + NO + H2O =>
Fe2(SO3)3 + 2 HNO3 = Fe2(SO4)3 + 2 NO + H2O
Na2S + ZnCl2 = NaCl + ZnS(s) =>
Na2S + ZnCl2 = 2 NaCl + ZnS(s)
CH2O + HBr = CH3OH + Br2 =>
CH2O + 2 HBr = CH3OH + Br2
[NH4]2SO4 + Ca[OH]2 = CaSO4 + NH3 + H2O =>
[NH4]2SO4 + Ca[OH]2 = CaSO4 + 2 NH3 + 2 H2O
C6H5ONa + CO2 + H2O = C6H4(OH)COOH + NaCO3 =>
28 C6H5ONa + 63 CO2 + 17 H2O = 29 C6H4(OH)COOH + 28 NaCO3
CH3OH(aq) = CH4(g) + CO2(g) + H2O(l) =>
4 CH3OH(aq) = 3 CH4(g) + CO2(g) + 2 H2O(l)
H3BO3 + Cl = BCl3 + H2 + O2 =>
2 H3BO3 + 6 Cl = 2 BCl3 + 3 H2 + 3 O2
SrBr2 + Cs = CsBr + Sr =>
SrBr2 + 2 Cs = 2 CsBr + Sr
Cd + H2O + O2 = Cd(OH)2 =>
2 Cd + 2 H2O + O2 = 2 Cd(OH)2
Br2 + Ni(OH2) + H2O = Ni(OH)3 + HBr =>
3 Br2 + 2 Ni(OH2) + 4 H2O = 2 Ni(OH)3 + 6 HBr
NH4CNS + FeNH4(SO4)2 = FeCNS + NH4SO4 =>
NH4CNS + FeNH4(SO4)2 = FeCNS + 2 NH4SO4
ROH + Na = RONa + H2 =>
2 ROH + 2 Na = 2 RONa + H2
NaHCO3(aq) + Fe(NO3)3(aq) = Na2(NO3)3(aq) + Fe(HCO3)2(s) =>
2 NaHCO3(aq) + Fe(NO3)3(aq) = Na2(NO3)3(aq) + Fe(HCO3)2(s)
C6H9N3O2 + H2O = CO2 + NH3 + CH4 =>
2 C6H9N3O2 + 10 H2O = 7 CO2 + 6 NH3 + 5 CH4
Ca(AlO2)2 + HNO3 = Ca(NO3)2 + Al(NO3)3 + H2O =>
Ca(AlO2)2 + 8 HNO3 = Ca(NO3)2 + 2 Al(NO3)3 + 4 H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
MgCo3 + HNO3 = Mg(NO3)2 + H + Co =>
MgCo3 + 2 HNO3 = Mg(NO3)2 + 2 H + 3 Co
C4H10 + O2 = C4H2O3 + H2O =>
2 C4H10 + 7 O2 = 2 C4H2O3 + 8 H2O
Mg + KOH = Mg(OH)2 + K2 =>
Mg + 2 KOH = Mg(OH)2 + K2
Mg(ClO4)2 + HCl = MgCl2 + H2O + ClO2 =>
5 Mg(ClO4)2 + 16 HCl = 5 MgCl2 + 8 H2O + 16 ClO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
K2Cr2O7 + Na2S + HCl = KCl + Na2SO4 + CrCl3 + H2O =>
4 K2Cr2O7 + 3 Na2S + 32 HCl = 8 KCl + 3 Na2SO4 + 8 CrCl3 + 16 H2O
FeS + HNO3 + HCl = FeCl3 + H2SO4 + NO2 + H2O =>
FeS + 9 HNO3 + 3 HCl = FeCl3 + H2SO4 + 9 NO2 + 5 H2O
H3NSO3 + NaOH = H2O + NaH2NSO3 =>
H3NSO3 + NaOH = H2O + NaH2NSO3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Li + Pt{+4} = Li{+} + Pt =>
4 Li + Pt{+4} = 4 Li{+} + Pt
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CH3CH2(CH3)ONa + H2O = CH3CH2(CH3)OH + NaOH =>
CH3CH2(CH3)ONa + H2O = CH3CH2(CH3)OH + NaOH
Sb2O5 + HCl = H3SbCl6 + Cl2 + H2O =>
Sb2O5 + 16 HCl = 2 H3SbCl6 + 2 Cl2 + 5 H2O
Be(OH)2 + NaOH = BeNa + Na(OH)2 =>
Be(OH)2 + 4 NaOH = BeNa + 3 Na(OH)2
(NH4)2S(aq) + SrCl2(aq) = (NH4)Cl + SrS =>
(NH4)2S(aq) + SrCl2(aq) = 2(NH4)Cl + SrS
Sn(s) + HF(g) = SnF2(s) + H2(g) =>
Sn(s) + 2 HF(g) = SnF2(s) + H2(g)
Zn(s) + Cu3(PO4)2(aq) = Zn3(PO4)2(aq) + Cu(s) =>
3 Zn(s) + Cu3(PO4)2(aq) = Zn3(PO4)2(aq) + 3 Cu(s)
FeCl + NaOH = FeOH + ClNa =>
FeCl + NaOH = FeOH + ClNa
MgP + HCl = PH + MgCl =>
MgP + HCl = PH + MgCl
C20H14O4 + Na = H2 + NaC20H13O4 =>
2 C20H14O4 + 2 Na = H2 + 2 NaC20H13O4
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
K3[Fe(CN)6] + H2O = K2[Fe(H2O)(CN)5] + KCN =>
K3[Fe(CN)6] + H2O = K2[Fe(H2O)(CN)5] + KCN
Cs + Cl = CsCl =>
Cs + Cl = CsCl
Mg + (ClO3)2(s) = MgCl2(s) + O2(g) =>
Mg + (ClO3)2(s) = MgCl2(s) + 3 O2(g)
KNO2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + K2SO4 + KNO3 =>
3 KNO2 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + 4 H2O + K2SO4 + 3 KNO3
CaCO3 + HC2H3O2 = Ca(C2H3O3)2 =>
2 CaCO3 + 3 HC2H3O2 = 2 Ca(C2H3O3)2
ZnCe2 + KOH = Zn(OH)2 + KCe =>
ZnCe2 + 2 KOH = Zn(OH)2 + 2 KCe
KMnO4 + NaI + H2SO4 = I2 + MnSO4 + K2SO4 + Na2SO4 + H2O =>
2 KMnO4 + 10 NaI + 8 H2SO4 = 5 I2 + 2 MnSO4 + K2SO4 + 5 Na2SO4 + 8 H2O
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