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2 HClO4 + Ca = Ca(ClO4)2 + H2
HgO + I{-} + H2O = HgI4{-2} + OH{-} =>
HgO + 4 I{-} + H2O = HgI4{-2} + 2 OH{-}
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
KBr + Pb(No3)2 = PbBr2 + KNo3 =>
2 KBr + Pb(No3)2 = PbBr2 + 2 KNo3
Ca(OH)2 + BaCl2 = CaCl2 + Ba(OH)2 =>
Ca(OH)2 + BaCl2 = CaCl2 + Ba(OH)2
Al + KNO2 + KOH + H2O = HN2 + KAl(OH)4 =>
7 Al + 6 KNO2 + KOH + 15 H2O = 3 HN2 + 7 KAl(OH)4
C6H10OH + K2Cr2O7 + H2SO4 = C6H10O + K2SO4 + Cr2(SO4)3 + H2O =>
6 C6H10OH + K2Cr2O7 + 4 H2SO4 = 6 C6H10O + K2SO4 + Cr2(SO4)3 + 7 H2O
CH3CSNH2 + H2O + Cu = CH3CONH2 + H + CuS =>
CH3CSNH2 + H2O + Cu = CH3CONH2 + 2 H + CuS
C6H14 + OH = CO2 + H2O =>
C6H14 + 38 OH = 6 CO2 + 26 H2O
ZnCl2(s) + KOH = Zn(OH)2 + KCl =>
ZnCl2(s) + 2 KOH = Zn(OH)2 + 2 KCl
Au(NO3)3 + Na2CO3 = NaNO3 + Au2(CO3)3 =>
2 Au(NO3)3 + 3 Na2CO3 = 6 NaNO3 + Au2(CO3)3
Cu(OH)2 + HClO4 = Cu(ClO4) + H(OH)2 =>
Cu(OH)2 + HClO4 = Cu(ClO4) + H(OH)2
NH4Cl + C2H5OH = NH3OH3 + C2H4Cl =>
NH4Cl + C2H5OH = NH3OH3 + C2H4Cl
MgO3C + HCl = MgCl2 + H2O + CO2 =>
MgO3C + 2 HCl = MgCl2 + H2O + CO2
FeSO4 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + K2SO4 + Fe =>
6 FeSO4 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 6 K2SO4 + 2 Fe
KNO3(s) + S(g) = KNO2(s) + SO2(g) =>
2 KNO3(s) + S(g) = 2 KNO2(s) + SO2(g)
KI(aq) + H2O2(aq) = I2(aq) + KOH =>
2 KI(aq) + H2O2(aq) = I2(aq) + 2 KOH
Pb(NO3)2(aq) + Mg(s) = MgNO3 + Pb2 =>
2 Pb(NO3)2(aq) + 4 Mg(s) = 4 MgNO3 + Pb2
Cu{2+} + NH3 = Cu[NH3]4{2+} =>
Cu{2+} + 4 NH3 = Cu[NH3]4{2+}
Co3(PO4)2 + CaCl2 = CoCl2 + Ca3(PO4)2 =>
Co3(PO4)2 + 3 CaCl2 = 3 CoCl2 + Ca3(PO4)2
Zn(NO3)2 + H2SO4 = ZnSO4 + HNO3 =>
Zn(NO3)2 + H2SO4 = ZnSO4 + 2 HNO3
Y2O3 + NH4HF2 = (NH4)3Y2F9 + NH3 + H2O =>
2 Y2O3 + 9 NH4HF2 = 2(NH4)3Y2F9 + 3 NH3 + 6 H2O
Na2S2O8 + C6H12O6 = Na2SO4 + H2O + CO2 + SO2 =>
6 Na2S2O8 + C6H12O6 = 6 Na2SO4 + 6 H2O + 6 CO2 + 6 SO2
Zn(OH) + O2 + H3PO4 = Zn3(PO4)2 + H2O =>
12 Zn(OH) + 3 O2 + 8 H3PO4 = 4 Zn3(PO4)2 + 18 H2O
CH2OHCH2CH2CH3 + HBr = CH3CH2CH2Br + H2O =>
3 CH2OHCH2CH2CH3 + 4 HBr = 4 CH3CH2CH2Br + 3 H2O
GaBr3 + Na2(SO3) = Ga2(SO3)3 + NaBr =>
2 GaBr3 + 3 Na2(SO3) = Ga2(SO3)3 + 6 NaBr
K[Cr(H2O)2(C2O4)2]2*H2O + KOH = Cr(OH)3 + H2O + K + CO2 =>
K[Cr(H2O)2(C2O4)2]2*H2O + 6 KOH = 2 Cr(OH)3 + 5 H2O + 7 K + 8 CO2
C2H5OH + O1 = CO2 + H2O =>
C2H5OH + 6 O1 = 2 CO2 + 3 H2O
PbNO2 + H2SO4 = PbSO4 + N(OH)2 =>
PbNO2 + H2SO4 = PbSO4 + N(OH)2
H3O{+} + {6-} + Cr2O7{2-} = Cr{3+} + H2O =>
14 H3O{+} + {6-} + Cr2O7{2-} = 2 Cr{3+} + 21 H2O
Ca + S4 = Ca2S2 =>
4 Ca + S4 = 2 Ca2S2
Mg(OH)2 + LiPO4 = Mg(PO4)2 + LiOH =>
Mg(OH)2 + 2 LiPO4 = Mg(PO4)2 + 2 LiOH
SnOK2CO3 = K2SnO2CO2 =>
SnOK2CO3 = K2SnO2CO2
C7H14 + Br2 = C7H12Br2 + H2 =>
C7H14 + Br2 = C7H12Br2 + H2
NH4NO3KOH = H2OKNO3NH3 =>
NH4NO3KOH = H2OKNO3NH3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
KCN + S = KSCN =>
KCN + S = KSCN
Zn + HI = ZnHI =>
Zn + HI = ZnHI
H2O + Ca(HCO3)2 = H2CO3 + CaO =>
H2O + Ca(HCO3)2 = 2 H2CO3 + CaO
NiS + H2SO4 = NiSO4 + H2S =>
NiS + H2SO4 = NiSO4 + H2S
(CH3COO)2Cu + Li2SO4 = CH3COOLi + CuSO4 =>
(CH3COO)2Cu + Li2SO4 = 2 CH3COOLi + CuSO4
Al(s) + HClO4(aq) = Al(ClO4)3(aq) + H2(g) =>
2 Al(s) + 6 HClO4(aq) = 2 Al(ClO4)3(aq) + 3 H2(g)
C + PbO = CO2 + Pb =>
C + 2 PbO = CO2 + 2 Pb
Ni + AlSO3 = Al + NiSO3 =>
Ni + AlSO3 = Al + NiSO3
Al + H2SO4 = Al2O3 + H2SO3 =>
2 Al + 3 H2SO4 = Al2O3 + 3 H2SO3
K + O2 = K2O =>
4 K + O2 = 2 K2O
CaCO3*MgCO3 = CO2 + MgO2 + Ca =>
CaCO3*MgCO3 = 2 CO2 + MgO2 + Ca
H2SO4 + MgCO3 = MgSO4H2CO3 =>
H2SO4 + MgCO3 = MgSO4H2CO3
Na2SO3H2O = Na2SO3*H2O =>
Na2SO3H2O = Na2SO3*H2O
HCl + Na2S2O3 = S2O3 + NaCl + H =>
2 HCl + Na2S2O3 = S2O3 + 2 NaCl + 2 H
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