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2 Na2HPO4 + 3 CaCO3 = Ca3(PO4)2 + 2 Na2CO3 + CO2 + H2O
(NH4)3PO4(aq) + FeCl3(aq) = FePO4(s) + NH4Cl(at) =>
(NH4)3PO4(aq) + FeCl3(aq) = FePO4(s) + 3 NH4Cl(at)
H3O + O2 = H2O =>
4 H3O + O2 = 6 H2O
NaHS + O2 = NaHSO2 =>
NaHS + O2 = NaHSO2
C2 + S2 = C4S4 =>
2 C2 + 2 S2 = C4S4
CH3CH2COOH + O2 = CO2 + H2 =>
CH3CH2COOH + 2 O2 = 3 CO2 + 3 H2
H2S(s) + H2SO3(s) = H2O(s) + S(s) =>
2 H2S(s) + H2SO3(s) = 3 H2O(s) + 3 S(s)
ZnSO4 + NH3 + H2O = Zn(NH3)4(OH)2 + (NH4)2SO4 =>
ZnSO4 + 6 NH3 + 2 H2O = Zn(NH3)4(OH)2 + (NH4)2SO4
Bi2O3 + NaOH = NaBiO2 + H2O =>
Bi2O3 + 2 NaOH = 2 NaBiO2 + H2O
NaI + NaMnO4 + H2SO4 = MnSO4 + Na2SO4 + H2O + I2 =>
10 NaI + 2 NaMnO4 + 8 H2SO4 = 2 MnSO4 + 6 Na2SO4 + 8 H2O + 5 I2
NiOHNO3 + NaOH = Ni(OH)2 + NaNO3 =>
NiOHNO3 + NaOH = Ni(OH)2 + NaNO3
Cl({-}) + Cr2O7({-}2) + H{+} = Cl2 + Cr({-}3) + H2O =>
30 Cl({-}) + 2 Cr2O7({-}2) + 28 H{+} = 15 Cl2 + 4 Cr({-}3) + 14 H2O
NaNO2 + H2SO4 = Na2SO4 + NO + NaNO3 + H2 =>
4 NaNO2 + H2SO4 = Na2SO4 + 2 NO + 2 NaNO3 + H2
HClO4 + SO3 = SO4 + Cl + H =>
HClO4 + 4 SO3 = 4 SO4 + Cl + H
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
NaOH + SO2 = NaHSO3 =>
NaOH + SO2 = NaHSO3
HClO4 + SO3 = SO4 + Cl + H =>
HClO4 + 4 SO3 = 4 SO4 + Cl + H
P2O5 + LiOH = LiPO3 + H2O =>
P2O5 + 2 LiOH = 2 LiPO3 + H2O
NH3*H2O + H2SO4 = NH4HSO4 + H2O =>
NH3*H2O + H2SO4 = NH4HSO4 + H2O
CuSO4 + H2O = CuO + H2SO4 =>
CuSO4 + H2O = CuO + H2SO4
HClO4 + SO3 = SO4 + Cl + H =>
HClO4 + 4 SO3 = 4 SO4 + Cl + H
Cr2(SO4)5 + Al(NO3)3 = Cr(NO3)5 + Al2(SO4)3 =>
3 Cr2(SO4)5 + 10 Al(NO3)3 = 6 Cr(NO3)5 + 5 Al2(SO4)3
CaO + NH3 = Ca + N2 + H2O =>
3 CaO + 2 NH3 = 3 Ca + N2 + 3 H2O
C5H12O2 + O2 = H2O + CO2 =>
C5H12O2 + 7 O2 = 6 H2O + 5 CO2
Fe + OH = Fe(OH)2 =>
Fe + 2 OH = Fe(OH)2
Cr + S2 = Cr2S3 =>
4 Cr + 3 S2 = 2 Cr2S3
HNO3 + Ca = Ca(NO3) + NH4(NO3) + H2O =>
10 HNO3 + 8 Ca = 8 Ca(NO3) + NH4(NO3) + 3 H2O
C3H8 + O2 = CO2 + H2O = Energia =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
K4Fe(CN)6 + BaCl2 = KCl + Ba4(Fe(CN)6)2 =>
2 K4Fe(CN)6 + 4 BaCl2 = 8 KCl + Ba4(Fe(CN)6)2
C3H7COOH + C4H9OH = CH3COOC4H9 + H2O =>
2 C3H7COOH + C4H9OH = 2 CH3COOC4H9 + H2O
MgOOCO + HCl = ClMgClHOHOCO =>
MgOOCO + 2 HCl = ClMgClHOHOCO
K[Al(OH)4] + CO2 = K2CO3 + Al(OH)3 + H2O =>
2 K[Al(OH)4] + CO2 = K2CO3 + 2 Al(OH)3 + H2O
S8(g) + KBr(aq) = K2S(aq) + Br2(l) =>
S8(g) + 16 KBr(aq) = 8 K2S(aq) + 8 Br2(l)
Fe2O3 + Cl2 = FeCl3 + O2 =>
2 Fe2O3 + 6 Cl2 = 4 FeCl3 + 3 O2
Cu(HO)2 + H2N2O6 = H2O + CuN2O6 =>
Cu(HO)2 + H2N2O6 = 2 H2O + CuN2O6
NO + O2 + (NH4)2CO3 = H2NOH + CO2 =>
4 NO + 3 O2 + 6(NH4)2CO3 = 16 H2NOH + 6 CO2
Na2CrO4 = Na + CrO4 =>
Na2CrO4 = 2 Na + CrO4
NH4F + Ca(OH)2 = NH3 + H2O + CaF2 =>
2 NH4F + Ca(OH)2 = 2 NH3 + 2 H2O + CaF2
CO + O2 = O4C =>
2 CO + 3 O2 = 2 O4C
H + PbO = Pb + H2O =>
2 H + PbO = Pb + H2O
C4(OH)2 + HNO3 = C4(NO3)2 + H2O =>
C4(OH)2 + 2 HNO3 = C4(NO3)2 + 2 H2O
Cr2O7{-2} + H{+} + SO3{-2} = SO4{-2} + H2O + Cr{+3} =>
Cr2O7{-2} + 8 H{+} + 3 SO3{-2} = 3 SO4{-2} + 4 H2O + 2 Cr{+3}
Ca(NO3)2 + KCl = CaCl2 + KNO3 =>
Ca(NO3)2 + 2 KCl = CaCl2 + 2 KNO3
CH3CO2H + NaHCO3 = H2CO3 + NaC2H3O2 =>
CH3CO2H + NaHCO3 = H2CO3 + NaC2H3O2
AgNO3 + Pb(NO3)2 = Ag(NO3)2 + NO3Pb =>
AgNO3 + Pb(NO3)2 = Ag(NO3)2 + NO3Pb
Pb(NO3)2 + KClO3 = KNO3 + Pb(ClO3)2 =>
Pb(NO3)2 + 2 KClO3 = 2 KNO3 + Pb(ClO3)2
HBr + HBrO3 = Br + H2O =>
5 HBr + HBrO3 = 6 Br + 3 H2O
Ca(PO4)2(s) + SiO2(s) + C(s) = P4(g) + CaSiO3(l) + CO(g) =>
2 Ca(PO4)2(s) + 2 SiO2(s) + 14 C(s) = P4(g) + 2 CaSiO3(l) + 14 CO(g)
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
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