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(NH4)2SO4 + 2 KOH = 2 NH4OH + K2SO4
HBr(aq) + NiS(s) = H2S(g) + NiBr2(s) =>
2 HBr(aq) + NiS(s) = H2S(g) + NiBr2(s)
Ni2O3 + H2O = H2Ni2O4 =>
Ni2O3 + H2O = H2Ni2O4
NaClO3 + SrCl2 = NaCl + Sr(ClO3)2 =>
2 NaClO3 + SrCl2 = 2 NaCl + Sr(ClO3)2
CH3CH(OH)CH3 + CrO3 = CH3COCH3 + Cr + H2O =>
3 CH3CH(OH)CH3 + CrO3 = 3 CH3COCH3 + Cr + 3 H2O
BaS + HCl = BaCl2 + H2S =>
BaS + 2 HCl = BaCl2 + H2S
C12H22O11 + KCIO3(s) = KCI(s) + H2O(g) + CO2(g) =>
C12H22O11 + 8 KCIO3(s) = 8 KCI(s) + 11 H2O(g) + 12 CO2(g)
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
RaCl2 + (NH4)2CO3 = RaCO3 + NH4Cl =>
RaCl2 + (NH4)2CO3 = RaCO3 + 2 NH4Cl
NaOH + K(NO3) = Na(NO3) + KOH =>
NaOH + K(NO3) = Na(NO3) + KOH
HI + Pb(C2H3O2)2 = PbI2 + C2H4O2 =>
2 HI + Pb(C2H3O2)2 = PbI2 + 2 C2H4O2
H2O + MnO4{-} + C2Cl4 = H{+} + MnO2 + CO2 + Cl{-} =>
4 H2O + 4 MnO4{-} + 3 C2Cl4 = 8 H{+} + 4 MnO2 + 6 CO2 + 12 Cl{-}
IO3{-} + HSO3{-} + H2O = I2 + SO4{2-} + H3O{+} =>
2 IO3{-} + 5 HSO3{-} + 2 H2O = I2 + 5 SO4{2-} + 3 H3O{+}
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Na2Te + H2SO4 = TeO2 + SO2 + Na2SO4 + H2O =>
Na2Te + 4 H2SO4 = TeO2 + 3 SO2 + Na2SO4 + 4 H2O
BaSO3 + H = Ba + H2O + SO2 =>
BaSO3 + 2 H = Ba + H2O + SO2
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
IO3{-} + HSO3{-} + H2O = I2 + SO4{2-} + H3O{+} =>
2 IO3{-} + 5 HSO3{-} + 2 H2O = I2 + 5 SO4{2-} + 3 H3O{+}
Ra + Cl = RaCl2 =>
Ra + 2 Cl = RaCl2
Cr2O3 + KNO3 + KOH = K2CrO4 + KNO2 + H2O =>
Cr2O3 + 3 KNO3 + 4 KOH = 2 K2CrO4 + 3 KNO2 + 2 H2O
[SO3]2{-} + [Cr2O7]2{-} + H{+} = [SO4]2{-} + Cr3{+} + H2O =>
77[SO3]2{-} + 12[Cr2O7]2{-} + 28 H{+} = 77[SO4]2{-} + 16 Cr3{+} + 14 H2O
C2H4 + H2O + [O] = C2H4(OH)2 =>
C2H4 + H2O + [O] = C2H4(OH)2
C5H11Cl + NaHCO3 = C5H11OH + NaCl + CO2 =>
C5H11Cl + NaHCO3 = C5H11OH + NaCl + CO2
CuNO3 + NH4OH = CuOH + NH4NO3 =>
CuNO3 + NH4OH = CuOH + NH4NO3
Al2(SO4)3 + KOH = Al2O3 + H2O + K2SO4 =>
Al2(SO4)3 + 6 KOH = Al2O3 + 3 H2O + 3 K2SO4
KMnO4 + Na2S + H2SO4 = K2SO4 + MnSO4 + Na(SO4)3 + H2O =>
18 KMnO4 + 5 Na2S + 52 H2SO4 = 9 K2SO4 + 18 MnSO4 + 10 Na(SO4)3 + 52 H2O
C7H6O + KOH + HCl = C7H6O2 + KCl + C7H8O =>
2 C7H6O + KOH + HCl = C7H6O2 + KCl + C7H8O
CH3COOH + CO(NH2)2 = C2H5NO + CO2 + H2O =>
2 CH3COOH + CO(NH2)2 = 2 C2H5NO + CO2 + H2O
SrCrO4 + AgNO3 = Ag2CrO4 + Sr(NO3)2 =>
SrCrO4 + 2 AgNO3 = Ag2CrO4 + Sr(NO3)2
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
CoBr = Co2 + Br =>
2 CoBr = Co2 + 2 Br
Al + O2 = Al2O3 = =>
4 Al + 3 O2 = 2 Al2O3
Pb(CH3COO)2 + Na2S = PbS + CH3COONa =>
Pb(CH3COO)2 + Na2S = PbS + 2 CH3COONa
H3PO4(aq) + Ca(OH)2(aq) = Ca3(PO4)2(aq) + H2O(l) =>
2 H3PO4(aq) + 3 Ca(OH)2(aq) = Ca3(PO4)2(aq) + 6 H2O(l)
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
MnO2(s) + Ca(s) = CaO(s) + Mn(s) =>
MnO2(s) + 2 Ca(s) = 2 CaO(s) + Mn(s)
C4H8Br2 = C4H6 + HBr =>
C4H8Br2 = C4H6 + 2 HBr
NaH = Na(s) + H2(g) =>
2 NaH = 2 Na(s) + H2(g)
NaCH3COO = C3H6O + Na2CO3 =>
2 NaCH3COO = C3H6O + Na2CO3
ZnS + HC2H3O2 = ZnC2H3O2 + SH =>
ZnS + HC2H3O2 = ZnC2H3O2 + SH
Pb(CH3COO)2 + Na2S = PbS + Na2(CH3COO)2 =>
Pb(CH3COO)2 + Na2S = PbS + Na2(CH3COO)2
CH3COOH + C2H5NH2 = CH3CONHC2H5 + H2O =>
CH3COOH + C2H5NH2 = CH3CONHC2H5 + H2O
Sr + N + O = Sr(NO3)2 =>
Sr + 2 N + 6 O = Sr(NO3)2
Zn{2+} + K4[Fe(CN)6] = K2Zn3[Fe(CN)6]2 + K{+} =>
3 Zn{2+} + 2 K4[Fe(CN)6] = K2Zn3[Fe(CN)6]2 + 6 K{+}
Cu(s) + NaOH(aq) + H2O(l) = Na2(Cu(OH)4)(aq) + H2(g) =>
Cu(s) + 2 NaOH(aq) + 2 H2O(l) = Na2(Cu(OH)4)(aq) + H2(g)
Ni + Ca(OH)2 = Ni(OH)3 + Ca =>
2 Ni + 3 Ca(OH)2 = 2 Ni(OH)3 + 3 Ca
Pb(CH3COO)2 + Na2S = PbS + Na(CH3COO) =>
Pb(CH3COO)2 + Na2S = PbS + 2 Na(CH3COO)
Pt2 + H = PtH2 =>
Pt2 + 4 H = 2 PtH2
CuO + CO2 = CuCO3 = =>
CuO + CO2 = CuCO3
KOH + FeCl2 = Fe(OH)2 + KCl =>
2 KOH + FeCl2 = Fe(OH)2 + 2 KCl
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