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2 KMnO4 + 6 KBr + 4 H2O = 3 Br2 + 2 MnO2 + 8 KOH
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
Co(NO3)2 + H2S = CoS + HNO3 =>
Co(NO3)2 + H2S = CoS + 2 HNO3
O3 = O2 =>
2 O3 = 3 O2
C3H4 + O2 = CO2 + H2O =>
C3H4 + 4 O2 = 3 CO2 + 2 H2O
C6H10 + Na2Cr2O7 + H2SO4 = C6H10O4 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 C6H10 + 4 Na2Cr2O7 + 16 H2SO4 = 3 C6H10O4 + 4 Cr2(SO4)3 + 4 Na2SO4 + 16 H2O
Fe(s) + Cd(NO3)2(aq) = Fe(NO3)3(aq) + Cd(s) =>
2 Fe(s) + 3 Cd(NO3)2(aq) = 2 Fe(NO3)3(aq) + 3 Cd(s)
Fe2O3 + Al = Fe + Al2O3 =>
Fe2O3 + 2 Al = 2 Fe + Al2O3
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
Na2S + HNO3 = Na2SO4 + NO2 + H2O =>
Na2S + 8 HNO3 = Na2SO4 + 8 NO2 + 4 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
N2(g) + O2(g) + H2O = HNO3(aq) =>
2 N2(g) + 5 O2(g) + 2 H2O = 4 HNO3(aq)
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
KOH + HCl = KCl + H2O =>
KOH + HCl = KCl + H2O
MgSO4 + NaOH = Mg(OH)2 + Na2SO4 =>
MgSO4 + 2 NaOH = Mg(OH)2 + Na2SO4
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CS2 + NaOH = Na2CS3 + Na2CO3 + H2O =>
3 CS2 + 6 NaOH = 2 Na2CS3 + Na2CO3 + 3 H2O
MgO + H2SO4 = MgSO4 + H2O =>
MgO + H2SO4 = MgSO4 + H2O
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
C2H6 + O2 = CO3 + H2O =>
2 C2H6 + 9 O2 = 4 CO3 + 6 H2O
S8(g) + O2(g) = SO3(g) =>
S8(g) + 12 O2(g) = 8 SO3(g)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
Fe + S = FeS =>
Fe + S = FeS
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
Na2O + HCl = NaCl + H2O =>
Na2O + 2 HCl = 2 NaCl + H2O
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
N2(g) + H2(g) = NH3(g) =>
N2(g) + 3 H2(g) = 2 NH3(g)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
Na + S8 = (Na2)S =>
16 Na + S8 = 8(Na2)S
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
N2(g) + O2(g) = N2O3 =>
2 N2(g) + 3 O2(g) = 2 N2O3
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
Mg(NO3)2 + K3PO4 = Mg3(PO4)2 + KNO3 =>
3 Mg(NO3)2 + 2 K3PO4 = Mg3(PO4)2 + 6 KNO3
N2(g) + O2(g) + H2O = HNO3(aq) =>
2 N2(g) + 5 O2(g) + 2 H2O = 4 HNO3(aq)
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