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4 Al + 3 O2 = 2 Al2O3
K2MnO4 + H3PO3 + H2SO4 = MnSO4 + H3PO4 + K2SO4 + H2O =>
K2MnO4 + 2 H3PO3 + 2 H2SO4 = MnSO4 + 2 H3PO4 + K2SO4 + 2 H2O
Na3Po4(aq) + FeCl3(aq) = NaCl(aq) + FePo4(s) =>
Na3Po4(aq) + FeCl3(aq) = 3 NaCl(aq) + FePo4(s)
Mg(NO3)2 + Fr2CO3 = MgCO3 + FrNO3 =>
Mg(NO3)2 + Fr2CO3 = MgCO3 + 2 FrNO3
N2 + P4 = N2P5 =>
4 N2 + 5 P4 = 4 N2P5
C4H6 + H2O = C4H10O2 =>
C4H6 + 2 H2O = C4H10O2
Mg + HP = MgP + H2 =>
2 Mg + 2 HP = 2 MgP + H2
MgO + MoO3 = MgMoO4 =>
MgO + MoO3 = MgMoO4
Cu(NO3)2 + H2O = HNO3 + Cu(OH)2 =>
Cu(NO3)2 + 2 H2O = 2 HNO3 + Cu(OH)2
Ca3(PO4)2 + SiO + C = P + CaSiO3 + CO2 =>
Ca3(PO4)2 + 3 SiO + C = 2 P + 3 CaSiO3 + CO2
UO2{2+} + Pb = UO2{+} + Pb{2+} =>
2 UO2{2+} + Pb = 2 UO2{+} + Pb{2+}
(H2CO3) = CO2 + H2O =>
(H2CO3) = CO2 + H2O
NaCl(aq) + AgNo3(aq) = AgCl(s) + NaNo3(aq) =>
NaCl(aq) + AgNo3(aq) = AgCl(s) + NaNo3(aq)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
MgC2O4 + KMnO4 + H2SO4 = MgSO4 + MnSO4 + K2SO4 + CO2 + H2O =>
5 MgC2O4 + 2 KMnO4 + 8 H2SO4 = 5 MgSO4 + 2 MnSO4 + K2SO4 + 10 CO2 + 8 H2O
Ca(ClO)2 + Na2S2O3 + H2O = NaOH + Na2S4O6 + CaCl2 =>
Ca(ClO)2 + 4 Na2S2O3 + 2 H2O = 4 NaOH + 2 Na2S4O6 + CaCl2
C6H5N + HCl = C6H5NHCl =>
C6H5N + HCl = C6H5NHCl
Sn{+2} + OH{-} = Sn(OH)2 =>
Sn{+2} + 2 OH{-} = Sn(OH)2
Na2CO3 + KOH + H2O = NaOH + KHCO3 =>
Na2CO3 + KOH + H2O = 2 NaOH + KHCO3
I3{-} + C6H8O6 + H2O = C6H6O6 + I{-} + H3O{+} =>
I3{-} + C6H8O6 + 2 H2O = C6H6O6 + 3 I{-} + 2 H3O{+}
(NH4)3PO4 + HNO2 = NH4NO2 + H3PO4 =>
(NH4)3PO4 + 3 HNO2 = 3 NH4NO2 + H3PO4
HCOH + NaOH = HCOONa + CH3OH =>
2 HCOH + NaOH = HCOONa + CH3OH
K2O + Fe2(SO4)3 = K2SO4 + Fe2O3 =>
3 K2O + Fe2(SO4)3 = 3 K2SO4 + Fe2O3
CaO + NaCl = CaCl2 + Na2O =>
CaO + 2 NaCl = CaCl2 + Na2O
NaCN + HCN = NaH + CN =>
NaCN + HCN = NaH + 2 CN
Cu2O + NH4OH = Cu(NH3)2(OH) + H2O =>
Cu2O + 4 NH4OH = 2 Cu(NH3)2(OH) + 3 H2O
Ag(NO3) + KOH = KNO3 + Ag(OH) =>
Ag(NO3) + KOH = KNO3 + Ag(OH)
Pb(OH)2 + HI = PbI2 + H2O =>
Pb(OH)2 + 2 HI = PbI2 + 2 H2O
K2SHClO3 = K2HSClO3 =>
K2SHClO3 = K2HSClO3
SO2 + H2SO4 = SOSO4 + H2O =>
SO2 + H2SO4 = SOSO4 + H2O
Ca(H2PO4)2 + ZnO = CaO + H2O + Zn3(PO4)2 =>
Ca(H2PO4)2 + 3 ZnO = CaO + 2 H2O + Zn3(PO4)2
CaCl2 + AgNO3 = AgCl + Ca + (NO3)2 =>
CaCl2 + 2 AgNO3 = 2 AgCl + Ca + (NO3)2
Cl2O7 + Ca(OH)2 = Ca(ClO4)2H2O =>
Cl2O7 + Ca(OH)2 = Ca(ClO4)2H2O
CaO + H2Co3 = Ca(HCo3)2 + H2O =>
CaO + 2 H2Co3 = Ca(HCo3)2 + H2O
Cr(OH)2 + CrCl2 = CrOHCl =>
Cr(OH)2 + CrCl2 = 2 CrOHCl
NH4 + ClO3 = NH4ClO3 =>
NH4 + ClO3 = NH4ClO3
Fe(ii) + HCl = H + Fe(ii)Cl =>
Fe(ii) + HCl = H + Fe(ii)Cl
C3H6O + LiAlH4 = C3H8O + LiAlH2 =>
C3H6O + LiAlH4 = C3H8O + LiAlH2
P2S3 + HIO + H2O = H3PO4 + S + HI =>
P2S3 + 5 HIO + 3 H2O = 2 H3PO4 + 3 S + 5 HI
KCIO(s) = KCI(s) + KCIO3(s) =>
3 KCIO(s) = 2 KCI(s) + KCIO3(s)
C2H4 + H2O = C2H3OH + H2 =>
C2H4 + H2O = C2H3OH + H2
Cl2(g) + NaOH(aq) = NaClO3(aq) + NaCl(aq) + H2O(l) =>
3 Cl2(g) + 6 NaOH(aq) = NaClO3(aq) + 5 NaCl(aq) + 3 H2O(l)
O2(g) + NH3(g) = N2(g) + H2O(g) =>
3 O2(g) + 4 NH3(g) = 2 N2(g) + 6 H2O(g)
Na2SiO3 + CuCl2 = CuSiO3 + NaCl =>
Na2SiO3 + CuCl2 = CuSiO3 + 2 NaCl
Ca12(OH)12(PO4)4 + HNO3 = Ca(H2PO4)2 + Ca(NO3)2 + H2O =>
Ca12(OH)12(PO4)4 + 20 HNO3 = 2 Ca(H2PO4)2 + 10 Ca(NO3)2 + 12 H2O
CH3COOH + (CH3)2CH2NH2 = CH3CH2COCH3 + NH3 + H2O =>
5 CH3COOH + 6(CH3)2CH2NH2 = 7 CH3CH2COCH3 + 6 NH3 + 3 H2O
HNO3(aq) + Cu(OH)2(s) = Cu(NO3)2 + H2O =>
2 HNO3(aq) + Cu(OH)2(s) = Cu(NO3)2 + 2 H2O
MgCl2 + NaOH = Mg(OH)2 + NaCl =>
MgCl2 + 2 NaOH = Mg(OH)2 + 2 NaCl
[Cu(SCN)4]2{-} + SO2 + H2O = CuSCN + SCN{-} + HSO4{-} + H{+} =>
2[Cu(SCN)4]2{-} + 5 SO2 + 10 H2O = 4 CuSCN + 12 SCN{-} + 5 HSO4{-} + 15 H{+}
As2S3 + NO3 + H2O = AsO{-} + SO4{2-} + NO + H{+} =>
As2S3 + 5 NO3 + 4 H2O = 2 AsO{-} + 3 SO4{2-} + 5 NO + 8 H{+}
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