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2 Fe2O3 + 3 C = 4 Fe + 3 CO2
FeI2 + Mg = MgI2 + Fe =>
FeI2 + Mg = MgI2 + Fe
FeSO4 + H2O = FeSO4*10H2O =>
FeSO4 + 10 H2O = FeSO4*10H2O
KBrO3 + As + KOH = K3AsO4 + KBr + H2O =>
5 KBrO3 + 6 As + 18 KOH = 6 K3AsO4 + 5 KBr + 9 H2O
Cu(NO3)2 + Na2SiO3 = CuSiO3 + NaNO3 =>
Cu(NO3)2 + Na2SiO3 = CuSiO3 + 2 NaNO3
CaSO4 + Ba(NO3)2 = BaSO4 + Ca(NO3)2 =>
CaSO4 + Ba(NO3)2 = BaSO4 + Ca(NO3)2
Pb(NO3)3 + KBr = KNO3 + PbBr3 =>
Pb(NO3)3 + 3 KBr = 3 KNO3 + PbBr3
BaF2 + HCl = HF + BaCl2 =>
BaF2 + 2 HCl = 2 HF + BaCl2
K4Fe(CN)6 + K2CrO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + Cr2(SO4)3 + HNO3 + CO2 + H2O =>
6 K4Fe(CN)6 + 122 K2CrO4 + 460 H2SO4 = 268 KHSO4 + 3 Fe2(SO4)3 + 61 Cr2(SO4)3 + 36 HNO3 + 36 CO2 + 308 H2O
Na2S + HClO2 = Na(ClO2) + H2S =>
Na2S + 2 HClO2 = 2 Na(ClO2) + H2S
C2H2 + K2CrO4 + H2SO4 = C2H4O2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C2H2 + 2 K2CrO4 + 5 H2SO4 = 3 C2H4O2 + 2 K2SO4 + Cr2(SO4)3 + 2 H2O
Na2SO3 + SO2 + H2O = NaHSO3 =>
Na2SO3 + SO2 + H2O = 2 NaHSO3
NaNi + HCl = NaCl + NiH =>
NaNi + HCl = NaCl + NiH
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cd(OH)2 + OH{-} = HCdO2{-]+H2O =>
Cd(OH)2 + OH{-} = HCdO2{-]+H2O
C3H8 + O2 = CO2 + H10 =>
5 C3H8 + 15 O2 = 15 CO2 + 4 H10
Bi2O3(s) + H2(g) = Bi(s) + H2O =>
Bi2O3(s) + 3 H2(g) = 2 Bi(s) + 3 H2O
Pb + Kl = Pb(Kl) =>
Pb + Kl = Pb(Kl)
H2O + N2O5 = HNO3 =>
H2O + N2O5 = 2 HNO3
KMnO4 + NaNO2 + H2O = KOH + MnO2 + NaNO3 =>
2 KMnO4 + 3 NaNO2 + H2O = 2 KOH + 2 MnO2 + 3 NaNO3
Li2CO3 + BaBr2 = Ba2(CO3)2 + LiBr =>
2 Li2CO3 + 2 BaBr2 = Ba2(CO3)2 + 4 LiBr
Sn + O2 = SnO =>
2 Sn + O2 = 2 SnO
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Na2O + H2O = NaOH = O2 =>
Na2O + H2O = 2 NaOH
BaCo3 + O2 = BaO + Co2 =>
2 BaCo3 + O2 = 2 BaO + 3 Co2
Mg(OH)2 + NH3 = H2O + Mg3N2 = Mg + O =>
3 Mg(OH)2 + 2 NH3 = 6 H2O + Mg3N2
Fe(OH)2(s) + O2(g) = Fe2O3 + H2O(s) =>
4 Fe(OH)2(s) + O2(g) = 2 Fe2O3 + 4 H2O(s)
CO2 + H2 = CH2 + H2O =>
CO2 + 3 H2 = CH2 + 2 H2O
H2O + SO3 = H2SO4 =>
H2O + SO3 = H2SO4
CuS + NO3{-} + H2O = Cu4SO4(OH)6 + SO4{2-} + OH{-} + N2 =>
20 CuS + 32 NO3{-} + 16 H2O = 5 Cu4SO4(OH)6 + 15 SO4{2-} + 2 OH{-} + 16 N2
CO + Na2O = Na + Na2CO3 =>
CO + 2 Na2O = 2 Na + Na2CO3
Ca3(PO4)2 + Si(O2)2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 Si(O2)2 + 11 C = 3 CaSiO3 + 11 CO + 2 P
Sr(NO3)2 + Al2(SO4)3 = SrSO4 + Al(NO3)3 =>
3 Sr(NO3)2 + Al2(SO4)3 = 3 SrSO4 + 2 Al(NO3)3
CH3CH2CH(OH)OH + KMnO4 + H2SO4 = CH3CH2COOH + H2O + MnSO4 + K2SO4 =>
5 CH3CH2CH(OH)OH + 2 KMnO4 + 3 H2SO4 = 5 CH3CH2COOH + 8 H2O + 2 MnSO4 + K2SO4
F + NaCl = NaF + Cl =>
F + NaCl = NaF + Cl
P2O5 + HNO3 = HPO3 + N2O5 =>
P2O5 + 2 HNO3 = 2 HPO3 + N2O5
NH4OH + Cl2 = NH4Cl + N2 + H2O =>
8 NH4OH + 3 Cl2 = 6 NH4Cl + N2 + 8 H2O
CuO + LiSO = CuSO + LiO =>
CuO + LiSO = CuSO + LiO
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
C3H8 + Br2 = C3H7Br + HBr =>
C3H8 + Br2 = C3H7Br + HBr
AL(OH)3(aq) + NAOH(aq) = NAALO2(aq) + H2O(l) =>
AL(OH)3(aq) + NAOH(aq) = NAALO2(aq) + 2 H2O(l)
Si + N2 = Si4N =>
8 Si + N2 = 2 Si4N
Ca(OH)2(aq) + H2SO4(aq) = H2O + CaSO4 =>
Ca(OH)2(aq) + H2SO4(aq) = 2 H2O + CaSO4
Cr2O4 + Ca2 = CaCr2O4 =>
2 Cr2O4 + Ca2 = 2 CaCr2O4
K[ICl4] + KI = I2 + KCl =>
K[ICl4] + 3 KI = 2 I2 + 4 KCl
Li3P + SO4 = Li2SO4 + P =>
2 Li3P + 3 SO4 = 3 Li2SO4 + 2 P
Hg(No3)2 + Na2S2O3 = Hg + Na2S4O6 + NaNo3 =>
Hg(No3)2 + 2 Na2S2O3 = Hg + Na2S4O6 + 2 NaNo3
Al2(SO4)3*12H2O + Ca(HCO3)2 = Al(OH)3 + CaSO4 + H2O + CO2 =>
Al2(SO4)3*12H2O + 3 Ca(HCO3)2 = 2 Al(OH)3 + 3 CaSO4 + 12 H2O + 6 CO2
KI(s) + Cl2(g) = K2Cl(s) + I2(s) =>
4 KI(s) + Cl2(g) = 2 K2Cl(s) + 2 I2(s)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
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