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Pb(CH3COO)2 + Na2SO4*10H2O = PbSO4 + 10 H2O + 2 NaCH3COO
K2CrO4(Ag) + Pb(NO3)2(Ag) = KNO3(Ag) + PbCrO4 =>
K2CrO4(Ag) + Pb(NO3)2(Ag) = 2 KNO3(Ag) + PbCrO4
Mg(s) + H2O(l) = Mg(OH)2(aq) + H2(g) =>
Mg(s) + 2 H2O(l) = Mg(OH)2(aq) + H2(g)
Cr + F2 = Cr4F =>
8 Cr + F2 = 2 Cr4F
As2S3 + HClO4 + H2O = H2AsO4 + HCl + H2SO4 =>
4 As2S3 + 15 HClO4 + 20 H2O = 8 H2AsO4 + 15 HCl + 12 H2SO4
KCrO2 + Br2 + KOH = K2CrO7 + KBr + H2O =>
2 KCrO2 + 9 Br2 + 20 KOH = 2 K2CrO7 + 18 KBr + 10 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
KMnO4(ac) + KOH(ac) + KAsO2(ac) = MnO2(s) + K3AsO4(ac) + H2O =>
2 KMnO4(ac) + 4 KOH(ac) + 3 KAsO2(ac) = 2 MnO2(s) + 3 K3AsO4(ac) + 2 H2O
K2(CO3) + MgI2 = KI + Mg(CO3) =>
K2(CO3) + MgI2 = 2 KI + Mg(CO3)
Ca + (NH4)2CO3 = CaCO3 + NH4 =>
Ca + (NH4)2CO3 = CaCO3 + 2 NH4
K + AlO2 = Al + K2O =>
4 K + AlO2 = Al + 2 K2O
NH4Fe(SO4)2 + KCNS = Fe(CNS)3 + NH4 + K + SO4 =>
NH4Fe(SO4)2 + 3 KCNS = Fe(CNS)3 + NH4 + 3 K + 2 SO4
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
CrCl3 + NH4 + H2O = Cr(OH)3 + NH4Cl + H2 =>
2 CrCl3 + 6 NH4 + 6 H2O = 2 Cr(OH)3 + 6 NH4Cl + 3 H2
(NH4)2SO4 + Ca(OH)2 = CaSO4 + NH4OH = CaSO4 + H2O + NH3 =>
(NH4)2SO4 + Ca(OH)2 = CaSO4 + 2 NH4OH
Na2SO4 + HCl = H2SO4 + NaCl =>
Na2SO4 + 2 HCl = H2SO4 + 2 NaCl
SO2 + KO = K2SO3 + O =>
SO2 + 2 KO = K2SO3 + O
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
KOH + FeCl3 + C2O4 = Fe(C2O4)3 + KOHCl =>
3 KOH + FeCl3 + 3 C2O4 = Fe(C2O4)3 + 3 KOHCl
NaNO3 + Pb + NaOH + H2O = NO + NaPb(OH)3 =>
2 NaNO3 + 3 Pb + NaOH + 4 H2O = 2 NO + 3 NaPb(OH)3
Pb(C4H8O6)2 + KI = K(C4H8O6) + PbI2 =>
Pb(C4H8O6)2 + 2 KI = 2 K(C4H8O6) + PbI2
K + water = KOH + H =>
K + H2O = KOH + H
K2CO3 + H2SO4 = H2CO3 + K2SO4 =>
K2CO3 + H2SO4 = H2CO3 + K2SO4
CH3CCH + O2 = CO2 + H2O =>
CH3CCH + 4 O2 = 3 CO2 + 2 H2O
C2H5Br + NaOH = C2H4O + H2 + NaBr =>
C2H5Br + NaOH = C2H4O + H2 + NaBr
Cl2 + Al + Ba(OH)2 = Ba3[Al(OH)6]2 + BaCl2 =>
3 Cl2 + 2 Al + 6 Ba(OH)2 = Ba3[Al(OH)6]2 + 3 BaCl2
KMnO4 + C2O2(OH)2 + H2SO4 = CO2 + H2O + K2SO4 + MnSO4 =>
2 KMnO4 + 5 C2O2(OH)2 + 3 H2SO4 = 10 CO2 + 8 H2O + K2SO4 + 2 MnSO4
CO2 + H5O = C6H2O6 + O2 =>
30 CO2 + 2 H5O = 5 C6H2O6 + 16 O2
NaCl + H2O = NaOH + H2 + Cl =>
2 NaCl + 2 H2O = 2 NaOH + H2 + 2 Cl
As4O6 + OH{-} = AsO2{-} + H2O =>
As4O6 + 4 OH{-} = 4 AsO2{-} + 2 H2O
KCl + HNo3 = HCl + KNo3 =>
KCl + HNo3 = HCl + KNo3
Cr + C = Cr2C =>
2 Cr + C = Cr2C
H2SO4 + CaO = CaSO4 + H2O =>
H2SO4 + CaO = CaSO4 + H2O
FeCl3 + K2SO4 = Fe2(SO4)3 + KCl =>
2 FeCl3 + 3 K2SO4 = Fe2(SO4)3 + 6 KCl
Na2SO4 + HCl = H2SO4 + NaCl =>
Na2SO4 + 2 HCl = H2SO4 + 2 NaCl
Ag + NaOH = Ag2O + Na2O + H2 =>
2 Ag + 2 NaOH = Ag2O + Na2O + H2
FeCl3 + KCNS + H2O = Fe(CNS)3 + HCl + KOH =>
FeCl3 + 3 KCNS + 3 H2O = Fe(CNS)3 + 3 HCl + 3 KOH
Pb(NO3)2 + Na2SO4 = PbSO4 + NaNO3 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + 2 NaNO3
Al(OH)3(ac) + H2SO4(ac) + NH3(ac) + H2O = NH4Al(SO4)2*12H2O(ac) =>
Al(OH)3(ac) + 2 H2SO4(ac) + NH3(ac) + 9 H2O = NH4Al(SO4)2*12H2O(ac)
H3C6H5O7 + NaHCO3 = H2O + CO2 + NaC6H5O7 =>
8 H3C6H5O7 + 9 NaHCO3 = 14 H2O + 3 CO2 + 9 NaC6H5O7
Ca(NO3)2 + NaOH = Ca(NO3)2NaOH =>
Ca(NO3)2 + NaOH = Ca(NO3)2NaOH
Bi2O3 + KCl = BiCl3 + K2O =>
Bi2O3 + 6 KCl = 2 BiCl3 + 3 K2O
Cu(SO)4 + HCl = CuCl2 + H2(SO)4 =>
Cu(SO)4 + 2 HCl = CuCl2 + H2(SO)4
Cu + LiNO3 = CuNO3 + Li =>
Cu + LiNO3 = CuNO3 + Li
Ca + AgNO2 = CaNO2 + Ag =>
Ca + AgNO2 = CaNO2 + Ag
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Cd + HBr = CdBr + H =>
Cd + HBr = CdBr + H
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
B2H6(g) + H2O(l) = H3BO3(s) + H2(g) =>
B2H6(g) + 6 H2O(l) = 2 H3BO3(s) + 6 H2(g)
(NH4)2PtCl4 = Pt + NH4Cl + N2 + HCl =>
3(NH4)2PtCl4 = 3 Pt + 4 NH4Cl + N2 + 8 HCl
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