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Sn + O2 = SnO2
K2S2O6(O2) + KClO3 = K2SO4 + O2 + Cl2O =>
2 K2S2O6(O2) + 4 KClO3 = 4 K2SO4 + 5 O2 + 2 Cl2O
C5H12 + O2 = CO + H2O =>
2 C5H12 + 11 O2 = 10 CO + 12 H2O
Na2SO3 + FeCl3 = Fe2(SO3)3 + NaCl =>
3 Na2SO3 + 2 FeCl3 = Fe2(SO3)3 + 6 NaCl
C9H20O5 + O2 = CO2 + H2O =>
2 C9H20O5 + 23 O2 = 18 CO2 + 20 H2O
C2H5OH + KMnO4 + H2SO4 = CH3COH + MnO2 + K2SO4 + H2O =>
3 C2H5OH + 2 KMnO4 + H2SO4 = 3 CH3COH + 2 MnO2 + K2SO4 + 4 H2O
KClO3 + NaI + H2SO4 = Na2SO4 + Cl2 + I2 + H2O + K2SO4 =>
2 KClO3 + 10 NaI + 6 H2SO4 = 5 Na2SO4 + Cl2 + 5 I2 + 6 H2O + K2SO4
C3H7Br + Br2 = C3H6Br2 + HBr =>
C3H7Br + Br2 = C3H6Br2 + HBr
CH3COOC2H5 + KOH = CH3COOK + C2H5OH =>
CH3COOC2H5 + KOH = CH3COOK + C2H5OH
AgI + NH3 = [Ag(NH3)4]I =>
AgI + 4 NH3 = [Ag(NH3)4]I
Pb + CrF3 = Cr + PbF4 =>
3 Pb + 4 CrF3 = 4 Cr + 3 PbF4
H{+} + Cu{+} + CrO4{2-} = Cu{2+} + Cr(OH)3 + H2O =>
5 H{+} + 3 Cu{+} + CrO4{2-} = 3 Cu{2+} + Cr(OH)3 + H2O
H2S(g) + O2(g) = H2O(g) + SO2(S) =>
2 H2S(g) + 2 O2(g) = 2 H2O(g) + SO2(S)
Cu2 + Cl + HCl = H2[CuCl4] =>
Cu2 + 4 Cl + 4 HCl = 2 H2[CuCl4]
SF6 + H2S = HF + S =>
SF6 + 3 H2S = 6 HF + 4 S
Ba3(PO4)2 = BaO + P2O5 =>
Ba3(PO4)2 = 3 BaO + P2O5
Zn2(SO4)2 + NaOH = Zn(OH)2 + Na2SO4 =>
Zn2(SO4)2 + 4 NaOH = 2 Zn(OH)2 + 2 Na2SO4
Na(OH) + H2Se = Na2Se + H2O =>
2 Na(OH) + H2Se = Na2Se + 2 H2O
CH3OH + Ag(NH3)OH = HCOOH + Ag + NH3 + H2O =>
CH3OH + 4 Ag(NH3)OH = HCOOH + 4 Ag + 4 NH3 + 3 H2O
NH3 + HOCl = NH4Cl + N2 + H2O =>
5 NH3 + 3 HOCl = 3 NH4Cl + N2 + 3 H2O
B2O3 + KOH = KBO2 + H2O =>
B2O3 + 2 KOH = 2 KBO2 + H2O
NaAc + H2O = Na + HAc + OH =>
NaAc + H2O = Na + HAc + OH
C4H11NO2 + O2 = CO2 + H2O + NH3 =>
C4H11NO2 + 5 O2 = 4 CO2 + 4 H2O + NH3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
Pb(OH)4 + KOH = K2[Pb(OH)6] =>
Pb(OH)4 + 2 KOH = K2[Pb(OH)6]
C5H6O(l) + O2 = CO2(g) + H2O(g) =>
C5H6O(l) + 6 O2 = 5 CO2(g) + 3 H2O(g)
Mg + HCO = Mg2HCO =>
2 Mg + HCO = Mg2HCO
HCNO + HBrO = BrO3{-} + HCN + H{+} =>
2 HCNO + HBrO = BrO3{-} + 2 HCN + H{+}
KHSO4 + Ca(NO3)2 = K2SO4 + HNO3 + CaSO4 =>
2 KHSO4 + Ca(NO3)2 = K2SO4 + 2 HNO3 + CaSO4
K2Cr2O7 + HCl = KCl + Cr2O3 + Cl2 + H2O =>
K2Cr2O7 + 8 HCl = 2 KCl + Cr2O3 + 3 Cl2 + 4 H2O
Ca(s) + HCl(l) = CaCl2(s) + H2(g) =>
Ca(s) + 2 HCl(l) = CaCl2(s) + H2(g)
ArNO3 + HCl = ArCl + HNO3 =>
ArNO3 + HCl = ArCl + HNO3
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Al + HCl = Al(Cl)3 + H2 =>
2 Al + 6 HCl = 2 Al(Cl)3 + 3 H2
HCl + AgNO3 = AgCl + HNO3 =>
HCl + AgNO3 = AgCl + HNO3
(NH4)2(SO3) + HCl = (NH4)Cl + H2(SO3) =>
(NH4)2(SO3) + 2 HCl = 2(NH4)Cl + H2(SO3)
ZnSO4(aq) + KI(aq) = K2SO4 + ZnI2 =>
ZnSO4(aq) + 2 KI(aq) = K2SO4 + ZnI2
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
ZnCu + HCl = Cu + ZnCl + H2 =>
2 ZnCu + 2 HCl = 2 Cu + 2 ZnCl + H2
Hg2(NO3)2 + K2CO3 = Hg2CO3 + KNO3 =>
Hg2(NO3)2 + K2CO3 = Hg2CO3 + 2 KNO3
K3PO4 + PbCl2 = Pb3(PO4)2 + KCl =>
2 K3PO4 + 3 PbCl2 = Pb3(PO4)2 + 6 KCl
Cr(OH){-} + OH{-} + H2O2 = CrO4{-2} + H2O =>
Cr(OH){-} + OH{-} + 3 H2O2 = CrO4{-2} + 4 H2O
Fe2 + KCl = KFe + Cl2 =>
Fe2 + 2 KCl = 2 KFe + Cl2
Sr3N2 + (NH4)3PO4 = Sr3(PO4)2 + (NH4)3N =>
Sr3N2 + 2(NH4)3PO4 = Sr3(PO4)2 + 2(NH4)3N
Na2O + PbI2 = NaI + PbO =>
Na2O + PbI2 = 2 NaI + PbO
Mn + Cu(SO4) = Mn(SO4)2 + Cu =>
Mn + 2 Cu(SO4) = Mn(SO4)2 + 2 Cu
Cr2(SO3)3 + Br2 + NaOH = Na2CrO4 + NaBr + Na2SO4 + H2O =>
Cr2(SO3)3 + 6 Br2 + 22 NaOH = 2 Na2CrO4 + 12 NaBr + 3 Na2SO4 + 11 H2O
ZnCl + H2 + NaOH = H2O + NaCl + Zn =>
2 ZnCl + H2 + 2 NaOH = 2 H2O + 2 NaCl + 2 Zn
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