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4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
BN + F2 = BF3 + N2 =>
2 BN + 3 F2 = 2 BF3 + N2
HgCUSO4 = HgSO4CU =>
HgCUSO4 = HgSO4CU
C27H38O16N + O2 = CO2 + H2O + NH3 =>
4 C27H38O16N + 111 O2 = 108 CO2 + 70 H2O + 4 NH3
PbO + NaCl + H2O = Pb(OH)Cl + NaOH =>
PbO + NaCl + H2O = Pb(OH)Cl + NaOH
(NH4)2 + S = NH3 + H2S =>
(NH4)2 + S = 2 NH3 + H2S
PbO + Ca(OH)2 = PbCaO2 + H2O =>
PbO + Ca(OH)2 = PbCaO2 + H2O
H2S2O3 + H2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O =>
3 H2S2O3 + 4 H2Cr2O7 + 6 H2SO4 = 4 Cr2(SO4)3 + 13 H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
MgOHAlNO3 = AlOHMgNO3 =>
MgOHAlNO3 = AlOHMgNO3
H2S + Fe(OH)3 = Fe2S3 + H2O =>
3 H2S + 2 Fe(OH)3 = Fe2S3 + 6 H2O
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
K2SO3 + HCl = H2O + KCl + SO2 =>
K2SO3 + 2 HCl = H2O + 2 KCl + SO2
HCl + HNO3 + Fe = H3(FeCl6) + NO + H2O =>
6 HCl + HNO3 + Fe = H3(FeCl6) + NO + 2 H2O
*H2CO3(aq) = H2O(l) + CO2(g) =>
*H2CO3(aq) = H2O(l) + CO2(g)
CrO3 + Ba(OH)2 = BaCr2O7 + H2O =>
2 CrO3 + Ba(OH)2 = BaCr2O7 + H2O
I2 + O2 = IO3 =>
I2 + 3 O2 = 2 IO3
Zn + HNO3 = Zn(NO3)2 + ON2 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + ON2 + 5 H2O
Na3BO3 = Na3 + BO3 =>
Na3BO3 = Na3 + BO3
H3N + NiBr3 = HBr + NiN =>
H3N + NiBr3 = 3 HBr + NiN
CH3COOH + NaOH = CH3NaCOO + H2O =>
CH3COOH + NaOH = CH3NaCOO + H2O
Al{3+}(aq) + Cu(s) = Cu{2+} + Al(s) =>
2 Al{3+}(aq) + 3 Cu(s) = 3 Cu{2+} + 2 Al(s)
K2MnO4 + KOH + NO2 = Mn(OH)2 + KNO3 =>
K2MnO4 + 2 KOH + 4 NO2 = Mn(OH)2 + 4 KNO3
H3PO4 + KOH = K3PO4 + H2O =>
H3PO4 + 3 KOH = K3PO4 + 3 H2O
Pb(NO3)2(aq) + Na2SO4(aq) = PbSO4(s) + NaNO3(an) =>
Pb(NO3)2(aq) + Na2SO4(aq) = PbSO4(s) + 2 NaNO3(an)
CH3{-}CH2{-}CH2{-}CH3 = CH3{-}CH{-}CH3 =>
CH3{-}CH2{-}CH2{-}CH3 = CH3{-}CH{-}CH3
Lead(ii)nitrate = Lead(ii)oxide + Nitrogendioxide + Oxygen =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KI + Br = KBr + I =>
KI + Br = KBr + I
C12H26 + O2 = CO2 + H2O =>
2 C12H26 + 37 O2 = 24 CO2 + 26 H2O
CuI + F2 = FI2 + Cu =>
4 CuI + F2 = 2 FI2 + 4 Cu
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
*Na + Cl = NaCl =>
*Na + Cl = NaCl
HHO = HOH =>
HHO = HOH
C12H18(g) + O2(g) = CO2(g) + H2O(g) =>
2 C12H18(g) + 33 O2(g) = 24 CO2(g) + 18 H2O(g)
C24H48O2 + O2 = CO2 + H2O =>
C24H48O2 + 35 O2 = 24 CO2 + 24 H2O
Al(OH)3 + NaNO3 = Al(NO3)3 + NaOH =>
Al(OH)3 + 3 NaNO3 = Al(NO3)3 + 3 NaOH
Al(OH)3 + H2 = Al(H2O) + H2O =>
2 Al(OH)3 + 3 H2 = 2 Al(H2O) + 4 H2O
Mn + HCOOH = Mn(COOH)2 + H2 =>
Mn + 2 HCOOH = Mn(COOH)2 + H2
NaCl + (UO2)(CH3COO)2 + CH3COOH = Na(UO2)(CH3COO)3 + HCl =>
NaCl + (UO2)(CH3COO)2 + CH3COOH = Na(UO2)(CH3COO)3 + HCl
Al3 + HCl = Al(Cl)3 + H =>
Al3 + 9 HCl = 3 Al(Cl)3 + 9 H
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C3H8O3 + HNO3 = H2O + C3H7O3NO2 =>
C3H8O3 + HNO3 = H2O + C3H7O3NO2
C8H6 + O2 = CO2 + H2O =>
2 C8H6 + 19 O2 = 16 CO2 + 6 H2O
AgO2 + H2 = Ag + H2O =>
AgO2 + 2 H2 = Ag + 2 H2O
NaS + Zn = Na + ZnS =>
NaS + Zn = Na + ZnS
CH4 + Cl2 = CH3Cl + HCl2 =>
2 CH4 + 3 Cl2 = 2 CH3Cl + 2 HCl2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
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