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2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
K2S2O3 + Cl2 + H2O = KHSO4 + HCl =>
K2S2O3 + 4 Cl2 + 5 H2O = 2 KHSO4 + 8 HCl
Cr(CO3)2 + Sb = Cr + SbCO3 =>
Cr(CO3)2 + 2 Sb = Cr + 2 SbCO3
Cu(NO3)2 + KI = CuI + I2 + KNO3 =>
2 Cu(NO3)2 + 4 KI = 2 CuI + I2 + 4 KNO3
HPO32{-} + H2O = H2PO2{-} + OH =>
HPO32{-} + 31 H2O = H2PO2{-} + 61 OH
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
MgCO3 + HBr(aq) = H2O + CO2 + MgBr2 =>
MgCO3 + 2 HBr(aq) = H2O + CO2 + MgBr2
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
FeCl3(aq) + KSCN(aq) = Fe(SCN)3(aq) + KCl(aq) =>
FeCl3(aq) + 3 KSCN(aq) = Fe(SCN)3(aq) + 3 KCl(aq)
CUSO4 + KSCN = CU(SCN)2 + K2SO4 =>
CUSO4 + 2 KSCN = CU(SCN)2 + K2SO4
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
NiO + H2SO4 = NiSO4 + H2O =>
NiO + H2SO4 = NiSO4 + H2O
C6H7N + O2 + OH{-} = CO3{2-} + H2O + N2 =>
4 C6H7N + 31 O2 + 48 OH{-} = 24 CO3{2-} + 38 H2O + 2 N2
Fe(OH)3 + Cl + H = FeCl2 + H2O =>
Fe(OH)3 + 2 Cl + 3 H = FeCl2 + 3 H2O
K2SO4 + Cr2(SO4)3 + J2 + Na2SO4 + H2O = K2Cr2O7 + NaJ + H2SO4 =>
K2SO4 + Cr2(SO4)3 + 3 J2 + 3 Na2SO4 + 7 H2O = K2Cr2O7 + 6 NaJ + 7 H2SO4
Ga + H2(SO4) = Ga(SO4)3 + H2 =>
Ga + 3 H2(SO4) = Ga(SO4)3 + 3 H2
NH4 + MgSO4 = (NH4)2SO4 + Mg =>
2 NH4 + MgSO4 = (NH4)2SO4 + Mg
Sc + I = ScI3 =>
Sc + 3 I = ScI3
F2 + S = SF6 =>
3 F2 + S = SF6
P + Na = Na3P =>
P + 3 Na = Na3P
[Al(OH)3] = [Al] + [OH] =>
[Al(OH)3] = [Al] + 3[OH]
KMnO4 + NaHSO3 = H2O + K2SO4 + MnO2 + Na2SO4 + NaHSO4 =>
2 KMnO4 + 3 NaHSO3 = H2O + K2SO4 + 2 MnO2 + Na2SO4 + NaHSO4
Na2S2O3 + Au + H2O = Na3[Au(S2O3)2] + H2 + NaOH =>
4 Na2S2O3 + 2 Au + 2 H2O = 2 Na3[Au(S2O3)2] + H2 + 2 NaOH
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Cr(s) + HCl(aq) = CrCl2(aq) + H2(g) =>
Cr(s) + 2 HCl(aq) = CrCl2(aq) + H2(g)
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
H2S = H2 + S =>
H2S = H2 + S
F2 + Al2O3 = AlF3 + O2 =>
6 F2 + 2 Al2O3 = 4 AlF3 + 3 O2
Cd(OH)2 + KI = CdI2 + KOH =>
Cd(OH)2 + 2 KI = CdI2 + 2 KOH
ClO2 + H2O = HClO3 + HCl =>
6 ClO2 + 3 H2O = 5 HClO3 + HCl
NH3 + NaClO = NaCl + H2O + N2 =>
2 NH3 + 3 NaClO = 3 NaCl + 3 H2O + N2
K2CO3 + H2SO4 = K2SO4 + H2O + CO2 =>
K2CO3 + H2SO4 = K2SO4 + H2O + CO2
KH(IO3)2 + KI + H2SO4 = I2 + K2SO4 + H2O =>
2 KH(IO3)2 + 20 KI + 11 H2SO4 = 12 I2 + 11 K2SO4 + 12 H2O
CH4 + *O2 = CO2 + H2O =>
CH4 + 2*O2 = CO2 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Li2SO4 + AgC2H3O2 = LiC2H3O2 + Ag2SO4 =>
Li2SO4 + 2 AgC2H3O2 = 2 LiC2H3O2 + Ag2SO4
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CuSO4(H2O)5 + NaOH = Cu(OH)2 + Na2SO4 + H2O =>
CuSO4(H2O)5 + 2 NaOH = Cu(OH)2 + Na2SO4 + 5 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
C9H13O4 + O2 = CO2 + H2O =>
4 C9H13O4 + 41 O2 = 36 CO2 + 26 H2O
Cl + CH4 = CCl4 + HCl =>
8 Cl + CH4 = CCl4 + 4 HCl
I{2-} = I2 + e =>
2 I{2-} = I2 + 4e
Li(s) + HCl(aq) = H2 + LiCl =>
2 Li(s) + 2 HCl(aq) = H2 + 2 LiCl
BaO2 + SO2 = BaSO4 =>
BaO2 + SO2 = BaSO4
Al(OH)3 + NH4NO3 = Al(NO3)3 + NH3 + H2O =>
Al(OH)3 + 3 NH4NO3 = Al(NO3)3 + 3 NH3 + 3 H2O
C2O2 = CO =>
C2O2 = 2 CO
Ni + NaClO + H2O = NiOH + NaCl =>
2 Ni + NaClO + H2O = 2 NiOH + NaCl
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