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4 Fe3O4(s) + O2(g) = 6 Fe2O3(s)
C4H7N3O + O2 = CO2 + H2O + N =>
4 C4H7N3O + 21 O2 = 16 CO2 + 14 H2O + 12 N
Ca + Na3PO4 = Ca3(PO4)2 + Na =>
3 Ca + 2 Na3PO4 = Ca3(PO4)2 + 6 Na
Ca + Na3PO4 = CaPO4 + Na =>
Ca + Na3PO4 = CaPO4 + 3 Na
Cr(s) + HCl(aq) = CrCl2(aq) + H2(g) =>
Cr(s) + 2 HCl(aq) = CrCl2(aq) + H2(g)
C5H117OH + O2 = CO2 + H2O =>
C5H117OH + 34 O2 = 5 CO2 + 59 H2O
Pb{2+} + NH3 + H2O = Pb(OH)2 + NH4{+} =>
Pb{2+} + 2 NH3 + 2 H2O = Pb(OH)2 + 2 NH4{+}
CuCl2(aq) + K2SO4(aq) = CuSO4(aq) + KCl(aq) =>
CuCl2(aq) + K2SO4(aq) = CuSO4(aq) + 2 KCl(aq)
C2H5OH + KMnO4 + H2SO4 = C2H4O + K2SO4 + MnSO4 + H2O =>
5 C2H5OH + 2 KMnO4 + 3 H2SO4 = 5 C2H4O + K2SO4 + 2 MnSO4 + 8 H2O
K2Cr2O7 + H2C2O4*3H2O = K[Cr(H2O)2(C2O4)2] + H2O + CO2 =>
K2Cr2O7 + 7 H2C2O4*3H2O = 2 K[Cr(H2O)2(C2O4)2] + 24 H2O + 6 CO2
Ca(CH3COO)2 + K2CrO4 = CaCrO4 + KCH3COO =>
Ca(CH3COO)2 + K2CrO4 = CaCrO4 + 2 KCH3COO
C30H48 + H2O = C2H6 + CO2 =>
C30H48 + 12 H2O = 12 C2H6 + 6 CO2
NH4OH + CH2O = (CH2)6N4 + H2O =>
4 NH4OH + 6 CH2O = (CH2)6N4 + 10 H2O
NH4HCO3 + Al(HS)3 = Al2(CO3)3 + NH3 + H2S =>
3 NH4HCO3 + 2 Al(HS)3 = Al2(CO3)3 + 3 NH3 + 6 H2S
CN + Au = Au(CN)3 =>
3 CN + Au = Au(CN)3
H2S + CO2 = C6H12O6 + S + H2O =>
12 H2S + 6 CO2 = C6H12O6 + 12 S + 6 H2O
KI(aq) + NaOH(aq) = KOH(aq) + NaI =>
KI(aq) + NaOH(aq) = KOH(aq) + NaI
C2H2O2 + HNO3 = C2H2O3 + NO2 + H2O =>
C2H2O2 + 2 HNO3 = C2H2O3 + 2 NO2 + H2O
C2H2C2H2 + O2 = CO2 + H2O =>
C2H2C2H2 + 5 O2 = 4 CO2 + 2 H2O
C4H10O + H2CrO4 + H2SO4 = C4H8O + Cr2(SO4)3 + H2O =>
3 C4H10O + 2 H2CrO4 + 3 H2SO4 = 3 C4H8O + Cr2(SO4)3 + 8 H2O
Na2CO3 + H2SO4 = Na2SO4 + H2CO3 =>
Na2CO3 + H2SO4 = Na2SO4 + H2CO3
NaOH + C = Na + CO + H2O =>
2 NaOH + C = 2 Na + CO + H2O
H2SO4(aq) + KOH = K2SO4 + H2O =>
H2SO4(aq) + 2 KOH = K2SO4 + 2 H2O
Cl2O7 + H2 = Cl2O5 + H2O =>
Cl2O7 + 2 H2 = Cl2O5 + 2 H2O
C6 + H2 = C2H6 =>
C6 + 9 H2 = 3 C2H6
MnCl2*4H2O + CH3COONa*3H2O + C5H8O2 + H2 = H21C15O6Mn + NaCl + H2O =>
10 MnCl2*4H2O + 20 CH3COONa*3H2O + 22 C5H8O2 + 11 H2 = 10 H21C15O6Mn + 20 NaCl + 124 H2O
CuH2OO2 = CuOH2OO =>
CuH2OO2 = CuOH2OO
CH2COOH + Cu(OH)2 = Cu2O + CO2 + H2O =>
2 CH2COOH + 14 Cu(OH)2 = 7 Cu2O + 4 CO2 + 17 H2O
CH2OHCH2OH + CH3COOH = H2O + (CH3COO)2CH2CH2 =>
CH2OHCH2OH + 2 CH3COOH = 2 H2O + (CH3COO)2CH2CH2
Al(s) + FeCl2(aq) = Fe(s) + AlCl3(aq) =>
2 Al(s) + 3 FeCl2(aq) = 3 Fe(s) + 2 AlCl3(aq)
CaO + H2SiO3 = CaSiO3 + H2O =>
CaO + H2SiO3 = CaSiO3 + H2O
Ca + NiPO4 = Ni + CaPO4 =>
Ca + NiPO4 = Ni + CaPO4
Na2SO4 + H2O = NaOH + H2SO4 =>
Na2SO4 + 2 H2O = 2 NaOH + H2SO4
Fe2 + HCl = FeCl2 + H2 =>
Fe2 + 4 HCl = 2 FeCl2 + 2 H2
Lu2O3(s) + HCl(l) = LuCl3(s) + H2O(l) =>
Lu2O3(s) + 6 HCl(l) = 2 LuCl3(s) + 3 H2O(l)
CaC2 + Na3PO4 = Ca3(PO4)2 + NaC1 =>
3 CaC2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaC1
B2S3(s) + H2O(aq) = H3BO3(aq) + H2S(aq) =>
B2S3(s) + 6 H2O(aq) = 2 H3BO3(aq) + 3 H2S(aq)
(AsO4)3{-} + SO32{-} + H{+} = As3{+} + SO42{-} + H2O =>
10(AsO4)3{-} + 11 SO32{-} + 20 H{+} = 10 As3{+} + 11 SO42{-} + 10 H2O
Zn + Fe2O3 = ZnO + Fe2 =>
3 Zn + Fe2O3 = 3 ZnO + Fe2
CH3COOH + Na2CO3 = CH3COONa + CO2H2O =>
2 CH3COOH + Na2CO3 = 2 CH3COONa + CO2H2O
H2S + H2O4 = SO2 + H2O =>
H2S + H2O4 = SO2 + 2 H2O
KMnO4 + C6H5CHO + H2SO4 = Mn2SO4 + K2SO4 + C6H5COOH + H2O =>
2 KMnO4 + 6 C6H5CHO + 2 H2SO4 = Mn2SO4 + K2SO4 + 6 C6H5COOH + 2 H2O
C5H12O + C4H8O2 = C9H18O2 + H2O =>
C5H12O + C4H8O2 = C9H18O2 + H2O
NH4NO3(aq) + Ba(OH)2(aq) = NH4OH(aq) + Ba(NO3)2(aq) =>
2 NH4NO3(aq) + Ba(OH)2(aq) = 2 NH4OH(aq) + Ba(NO3)2(aq)
H2SO4 + NaNO3 = Na2SO4 + HNO3 =>
H2SO4 + 2 NaNO3 = Na2SO4 + 2 HNO3
Na2Cr2O7 + NAl + HNO3 = Cr(NO3)3 + Al + H2O + NaNO3 =>
5 Na2Cr2O7 + 6 NAl + 34 HNO3 = 10 Cr(NO3)3 + 6 Al + 17 H2O + 10 NaNO3
C4H8Cl2 + Mg = C4H8Mg2Cl2 =>
C4H8Cl2 + 2 Mg = C4H8Mg2Cl2
SO2H2O = H2SO3 =>
SO2H2O = H2SO3
NaClO + Na2S2O3 + H2O = NaCl + Na2SO4 + H2SO4 =>
4 NaClO + Na2S2O3 + H2O = 4 NaCl + Na2SO4 + H2SO4
Mg(s) + N2(g) = Mg3N2(s) =>
3 Mg(s) + N2(g) = Mg3N2(s)
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