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4 Na(g) + O2(g) = 2 Na2O(s)
MnO2 + Fe = Fe2O3 + Mn =>
3 MnO2 + 4 Fe = 2 Fe2O3 + 3 Mn
Fe(OH)3(s) = Fe2O3(s) + H2O(s) =>
2 Fe(OH)3(s) = Fe2O3(s) + 3 H2O(s)
Na(g) + O2(g) = Na2O(s) =>
4 Na(g) + O2(g) = 2 Na2O(s)
Fe2(SO4)3(aq) + NaOH(aq) = Fe(OH)3(aq) + Na2SO4(aq) =>
Fe2(SO4)3(aq) + 6 NaOH(aq) = 2 Fe(OH)3(aq) + 3 Na2SO4(aq)
Ag + Ba(OH)2 = AgOH + Ba =>
2 Ag + Ba(OH)2 = 2 AgOH + Ba
Al(OH)3 + K2C2O4 + H2C2O4 = K3[Al(C2O4)3]*3H2O =>
2 Al(OH)3 + 3 K2C2O4 + 3 H2C2O4 = 2 K3[Al(C2O4)3]*3H2O
Mg + NHO3 = Mg(NO3)2 + N2O + H2O =>
4 Mg + 10 NHO3 = 4 Mg(NO3)2 + N2O + 5 H2O
CO + I2 = COI2 =>
CO + I2 = COI2
Zn + HCl2 = Cl2Zn + H2 =>
2 Zn + 2 HCl2 = 2 Cl2Zn + H2
MgI2 = Mg2 + I =>
2 MgI2 = Mg2 + 4 I
Al + Fe = AlFe =>
Al + Fe = AlFe
H2CO3 + MnO2 = Mn(CO3)2 + H2O =>
2 H2CO3 + MnO2 = Mn(CO3)2 + 2 H2O
Pb(CH3COO)2 + K2Cr2O7 = PbCr2O7 + CH3COOK =>
Pb(CH3COO)2 + K2Cr2O7 = PbCr2O7 + 2 CH3COOK
PCl5 + NH4Cl = (NPCl2)3 + HCl =>
3 PCl5 + 3 NH4Cl = (NPCl2)3 + 12 HCl
Ba(NO3)2 + NaF = BaF2 + NaNO3 =>
Ba(NO3)2 + 2 NaF = BaF2 + 2 NaNO3
CoBr2 + Na2S = CoS + NaBr =>
CoBr2 + Na2S = CoS + 2 NaBr
C6H5NH2 + NaOH = C6H5NNa + H3O =>
C6H5NH2 + NaOH = C6H5NNa + H3O
CuSO4Zn = ZnSO4 + Cu =>
CuSO4Zn = ZnSO4 + Cu
PH3(g) + N2O(g) = P4O10(s) + H2O(g) + N2(g) =>
4 PH3(g) + 16 N2O(g) = P4O10(s) + 6 H2O(g) + 16 N2(g)
Ca3N2 + HI = CaI2 + NH4I =>
Ca3N2 + 8 HI = 3 CaI2 + 2 NH4I
Ba(C2H3O2) + K(SO4) = K(C2H3O2) + Ba(SO4) =>
Ba(C2H3O2) + K(SO4) = K(C2H3O2) + Ba(SO4)
Au + H2SO3 = AuSO3 + H2 =>
Au + H2SO3 = AuSO3 + H2
Hg(NO3)2 + CsCl = HgCl2 + CsNO3 =>
Hg(NO3)2 + 2 CsCl = HgCl2 + 2 CsNO3
Sn(OH)4 + NaOH = Na2[Sn(OH)6] =>
Sn(OH)4 + 2 NaOH = Na2[Sn(OH)6]
MnO4{-} + I{-} + OH{-} = MnO4{-2} + IO4{-} + H2O =>
8 MnO4{-} + I{-} + 8 OH{-} = 8 MnO4{-2} + IO4{-} + 4 H2O
FeS + HC1 = FeC1 + HS =>
FeS + HC1 = FeC1 + HS
ZrO2 + C + Br2 = ZrBr2 + CO =>
ZrO2 + 2 C + Br2 = ZrBr2 + 2 CO
Ga + HClO4 = Ga(ClO4)3 + H2O + Cl2O5 =>
4 Ga + 18 HClO4 = 4 Ga(ClO4)3 + 9 H2O + 3 Cl2O5
Rb + CH3COOH = CH3COORb + H2 =>
2 Rb + 2 CH3COOH = 2 CH3COORb + H2
Mn2O3 + H2O = Mn(OH)2 + OH =>
Mn2O3 + 3 H2O = 2 Mn(OH)2 + 2 OH
CaO + H2SO4 = CaSO4 + H2O =>
CaO + H2SO4 = CaSO4 + H2O
K + H2S = H2 + K2S =>
2 K + H2S = H2 + K2S
NaOH + C16H8N2Na2O8S2 = Na3N2O8S2 + C16H8OH =>
NaOH + C16H8N2Na2O8S2 = Na3N2O8S2 + C16H8OH
SnO2 + Pb(NO3)2 = Sn(NO3)2 + PbO2 =>
SnO2 + Pb(NO3)2 = Sn(NO3)2 + PbO2
NaF + KCl = NaCl + F + K =>
NaF + KCl = NaCl + F + K
As + Cl2 + H2O = H3AsO4 + HCl =>
2 As + 5 Cl2 + 8 H2O = 2 H3AsO4 + 10 HCl
K2SO4 + Ca(OH) = K2(OH) + CaSO4 =>
K2SO4 + Ca(OH) = K2(OH) + CaSO4
S8 + Br2 = SBr6 =>
S8 + 24 Br2 = 8 SBr6
Cr2O7{2-} + H2C2O4 + H{+} = Cr3{+} + CO2 + H2O =>
3 Cr2O7{2-} + 17 H2C2O4 + 8 H{+} = 2 Cr3{+} + 34 CO2 + 21 H2O
FeCl3 + CsOH = CsCl + Fe(OH)3 =>
FeCl3 + 3 CsOH = 3 CsCl + Fe(OH)3
BaH2 = Ba + H2 =>
BaH2 = Ba + H2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CaO + H2No3 = CaNo3 + H2O =>
CaO + H2No3 = CaNo3 + H2O
C7H6O3(S) + C4H6O3(l) = C9H8O4(S) + C2H4O2(S) =>
13 C7H6O3(S) + 3 C4H6O3(l) = 11 C9H8O4(S) + 2 C2H4O2(S)
C4H9OH + HNO2 = C4H9ONO + H2O =>
C4H9OH + HNO2 = C4H9ONO + H2O
KCl + Hg = HgCl + K =>
KCl + Hg = HgCl + K
(NH4)2CrO4 + BaCl2 = BaCrO4 + (NH4)Cl =>
(NH4)2CrO4 + BaCl2 = BaCrO4 + 2(NH4)Cl
C6H6 + HCl = C6H9Cl3 =>
C6H6 + 3 HCl = C6H9Cl3
CaCl2 + HgNO3 = Ca(NO3)2 + HgCl =>
CaCl2 + 2 HgNO3 = Ca(NO3)2 + 2 HgCl
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