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2 Co = Co2
HCl + HMgO4 = MgCl2 + H2O + Cl2 =>
14 HCl + 2 HMgO4 = 2 MgCl2 + 8 H2O + 5 Cl2
Zn + HI = Zn2I + H2 =>
4 Zn + 2 HI = 2 Zn2I + H2
Mg + ZnS = MgS + Zn =>
Mg + ZnS = MgS + Zn
NaHSO3 + Ca(OH)2 = Na2SO3 + CaSO3 + H2O =>
2 NaHSO3 + Ca(OH)2 = Na2SO3 + CaSO3 + 2 H2O
NH4Cl + Pb(CH3COO)2 = NH4(CH3COO) + PbCl2 =>
2 NH4Cl + Pb(CH3COO)2 = 2 NH4(CH3COO) + PbCl2
K3[Al(OH)6] = KOH + Al(OH)3 =>
K3[Al(OH)6] = 3 KOH + Al(OH)3
BaCl + SO4 = BaSO4 + Cl =>
BaCl + SO4 = BaSO4 + Cl
Ba(No3)2 + H2SO4 = BaSO4 + H(No3) =>
Ba(No3)2 + H2SO4 = BaSO4 + 2 H(No3)
Na2Co3 + FeCl2 = NaCl + Fe2(Co3)2 =>
2 Na2Co3 + 2 FeCl2 = 4 NaCl + Fe2(Co3)2
C3H6O3 + NaOH = H2O + C3H5O3Na =>
C3H6O3 + NaOH = H2O + C3H5O3Na
C4H8 + HBr = C4BrH9 =>
C4H8 + HBr = C4BrH9
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
Ni(CH3COO)2 + NaOH = Ni(OH)2 + NaCH3COO =>
Ni(CH3COO)2 + 2 NaOH = Ni(OH)2 + 2 NaCH3COO
C6H10 + H2O + MnO4{-} + {+} = C6H12O2 + Mn{2+} =>
4 C6H10 + 4 H2O + MnO4{-} + 3{+} = 4 C6H12O2 + Mn{2+}
N2O3 + Ca(OH)2 = Ca3(NO3)2 + H2O =>
N2O3 + 3 Ca(OH)2 = Ca3(NO3)2 + 3 H2O
K + Na2SO4(aq) = K2SO4 + Na =>
2 K + Na2SO4(aq) = K2SO4 + 2 Na
NaMnO4 + CuCl + HCl = MnCl2 + CuCl2 + NaCl + H2O =>
NaMnO4 + 5 CuCl + 8 HCl = MnCl2 + 5 CuCl2 + NaCl + 4 H2O
Na2CO3 + Ba = BaNa2 + CO3 =>
Na2CO3 + Ba = BaNa2 + CO3
H2P + NaO = NaP + H2O =>
H2P + NaO = NaP + H2O
AgBr + KCN = K[Ag(CN)2] + KBr =>
AgBr + 2 KCN = K[Ag(CN)2] + KBr
Cu2S + H2SO4 = CuSO4 + H2O + SO =>
2 Cu2S + 7 H2SO4 = 4 CuSO4 + 7 H2O + 5 SO
Cu + KOH + H2O = K[Cu(OH)4] + H2 =>
2 Cu + 2 KOH + 6 H2O = 2 K[Cu(OH)4] + 3 H2
Hg(NO3)2 = HgO + NO2 + O =>
Hg(NO3)2 = HgO + 2 NO2 + O
C2H6S + O2 = CO2 + H2O + SO2 =>
2 C2H6S + 9 O2 = 4 CO2 + 6 H2O + 2 SO2
KMnO4(ac) + KI(ac) + H2O(l) = KOH(ac) + MnO2(s) + I2(ac) =>
2 KMnO4(ac) + 6 KI(ac) + 4 H2O(l) = 8 KOH(ac) + 2 MnO2(s) + 3 I2(ac)
(NH4)2SO4(aq) + SrCl2(aq) = (NH4)2Cl2(aq) + SrSO4(s) =>
(NH4)2SO4(aq) + SrCl2(aq) = (NH4)2Cl2(aq) + SrSO4(s)
NH4OH(aq) = NH3(g) + H2O =>
NH4OH(aq) = NH3(g) + H2O
NaClO4 + H2O = Na2O + HClO4 =>
2 NaClO4 + H2O = Na2O + 2 HClO4
CaCl2 + (NH4)3PO4 = Ca3(PO4)2 + NH4Cl =>
3 CaCl2 + 2(NH4)3PO4 = Ca3(PO4)2 + 6 NH4Cl
Be + H2O = BeO + H2 =>
Be + H2O = BeO + H2
Ba + Na2CO3 = BaCO3 + Na2 =>
Ba + Na2CO3 = BaCO3 + Na2
CuNO3 + Na2O = Cu2O + NaNO3 =>
2 CuNO3 + Na2O = Cu2O + 2 NaNO3
CH3COOH + Zn = H2 + ZnCH3COO =>
2 CH3COOH + 2 Zn = H2 + 2 ZnCH3COO
(C2H5O)2P(O)H + CH3MgBr = (CH3)2P(O)MgBr + MgBr(OC2H5) + CH4 =>
(C2H5O)2P(O)H + 3 CH3MgBr = (CH3)2P(O)MgBr + 2 MgBr(OC2H5) + CH4
KCNS + PbO2 + HCl = KCl + PbCl2 + CO2 + NO + SO2 + H2O =>
2 KCNS + 11 PbO2 + 24 HCl = 2 KCl + 11 PbCl2 + 2 CO2 + 2 NO + 2 SO2 + 12 H2O
AgNO3(s) + HCl(s) = AgCl(s) + HNO3(s) =>
AgNO3(s) + HCl(s) = AgCl(s) + HNO3(s)
Ba + Na2CO3 = BaCO3 + Na2 =>
Ba + Na2CO3 = BaCO3 + Na2
MnSO4 + Br2 + KOH = KMnO4 + KBr + K2SO4 + H2O =>
2 MnSO4 + 5 Br2 + 16 KOH = 2 KMnO4 + 10 KBr + 2 K2SO4 + 8 H2O
H3PO4 + NaOH = H2O + Na3O4P =>
H3PO4 + 3 NaOH = 3 H2O + Na3O4P
(NH4)2CO3 + LiOH = Li2CO3 + NH3 + H2O =>
(NH4)2CO3 + 2 LiOH = Li2CO3 + 2 NH3 + 2 H2O
SO2 + Br2 = SO2Br2 =>
SO2 + Br2 = SO2Br2
NaF + H2O = HF + Na + OH =>
NaF + H2O = HF + Na + OH
FeSO4 + HCl + H2O2 = FeCl2 + H2O + SO4 =>
FeSO4 + 2 HCl + H2O2 = FeCl2 + 2 H2O + SO4
Al + HF = AlF3 + H2 =>
2 Al + 6 HF = 2 AlF3 + 3 H2
FeCl3 + I2 = FeI2 + Cl2 =>
2 FeCl3 + 2 I2 = 2 FeI2 + 3 Cl2
Ba + Na2CO3 = BaCO3 + Na2 =>
Ba + Na2CO3 = BaCO3 + Na2
KMnO4 + Na2SO3 + H2SO4 = KSO4 + Na2SO4 + MnSO4 + H2O =>
KMnO4 + 2 Na2SO3 + 2 H2SO4 = KSO4 + 2 Na2SO4 + MnSO4 + 2 H2O
FeS{-2} + O{-2} = Fe{-2}O{-3} + SO{-2} =>
FeS{-2} + O{-2} = Fe{-2}O{-3} + SO{-2}
C4H10 + O2 = CO + H2O =>
2 C4H10 + 9 O2 = 8 CO + 10 H2O
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