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9 PbS + 2 Na2SO9 = 9 Pb + 2 Na2S + 9 SO2
K3[Cr(OH)6] + KOH + Cl2 = K3CrO4 + KCl + H2O =>
K3[Cr(OH)6] + 2 KOH + Cl2 = K3CrO4 + 2 KCl + 4 H2O
Rb + S8 = Rb2S =>
16 Rb + S8 = 8 Rb2S
CO2 + NH4 = NH4CO2 =>
CO2 + NH4 = NH4CO2
Cl + CH3Br = CH3Cl + Br =>
Cl + CH3Br = CH3Cl + Br
LaH3 + H2O = La(OH)3 + H2 =>
LaH3 + 3 H2O = La(OH)3 + 3 H2
HBr + Fe(OH)3 = FeBr3 + H2O =>
3 HBr + Fe(OH)3 = FeBr3 + 3 H2O
CH3Br + NaOH = CH3OH + BrNa =>
CH3Br + NaOH = CH3OH + BrNa
Ag(NH3)2 + KBr = AgBr + K(NH3)2 =>
Ag(NH3)2 + KBr = AgBr + K(NH3)2
Ca(OH)2 + Na3(PO4) + H2O = Ca9(PO4)5(HPO4)(OH) + NaOH =>
9 Ca(OH)2 + 6 Na3(PO4) + H2O = Ca9(PO4)5(HPO4)(OH) + 18 NaOH
Al(OH)3 + SiO2 = Al2(SiO3)3 + H2O =>
2 Al(OH)3 + 3 SiO2 = Al2(SiO3)3 + 3 H2O
Na + H2 = NaH =>
2 Na + H2 = 2 NaH
CoCl2*6H2O + HCl = CoCl2*HCl + H2O =>
CoCl2*6H2O + HCl = CoCl2*HCl + 6 H2O
MnO2 + K2SO3 + H2SO4 = K2SO4 + MnSO4 + H2O =>
MnO2 + K2SO3 + H2SO4 = K2SO4 + MnSO4 + H2O
AlPO4 + Mg(NO3)2 = Al(NO3)3 + Mg3(PO4)2 =>
2 AlPO4 + 3 Mg(NO3)2 = 2 Al(NO3)3 + Mg3(PO4)2
HClO2 + MgCO3 = Mg(ClO2)2 + H2O + CO2 =>
2 HClO2 + MgCO3 = Mg(ClO2)2 + H2O + CO2
AgF + CaBr2 = AgBr2 + CaF =>
AgF + CaBr2 = AgBr2 + CaF
FeI2 + Ag = AgI + Fe =>
FeI2 + 2 Ag = 2 AgI + Fe
Ca + H3O = H2 + CaO =>
2 Ca + 2 H3O = 3 H2 + 2 CaO
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
BaCl2 + NaPo4 = Ba(Po4)2 + NaCl =>
BaCl2 + 2 NaPo4 = Ba(Po4)2 + 2 NaCl
P4O10 + C = P4 + CO =>
P4O10 + 10 C = P4 + 10 CO
NaSO4 + BeCl2 = NaCl + Be(SO4)2 =>
2 NaSO4 + BeCl2 = 2 NaCl + Be(SO4)2
CaOHCO2 = CaHCO3 =>
CaOHCO2 = CaHCO3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NiC2O4*2H2O(s) + O2(g) = Ni2O(s) + H2O(g) + CO2(g) =>
4 NiC2O4*2H2O(s) + O2(g) = 2 Ni2O(s) + 8 H2O(g) + 8 CO2(g)
Ca2CO3 + C = Ca + CO =>
Ca2CO3 + 2 C = 2 Ca + 3 CO
BeO + Ca(OH)2 = CaBeO2 + H2O =>
BeO + Ca(OH)2 = CaBeO2 + H2O
H2O + SOCl2 = HCl + SO2 =>
H2O + SOCl2 = 2 HCl + SO2
S2O3{-}2 + Br2 = Br{-} + S4O6{-}2 =>
4 S2O3{-}2 + Br2 = 2 Br{-} + 2 S4O6{-}2
Fe(OH)2 = Fe3O4 + H2O + H2 =>
3 Fe(OH)2 = Fe3O4 + 2 H2O + H2
CaCl2 + NaF = CaF2 + NaCl =>
CaCl2 + 2 NaF = CaF2 + 2 NaCl
KMnO4 + C2H5OH + H2SO4 = K2SO4 + MnSO4 + CH3COOH + H2O =>
4 KMnO4 + 5 C2H5OH + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 5 CH3COOH + 11 H2O
(CH3COO)2Ba + NaHSO4 = BaSO4 + CH3COONa + CH3COOH =>
(CH3COO)2Ba + NaHSO4 = BaSO4 + CH3COONa + CH3COOH
C2H2Cl2 + O2 = CO2 + H2O + Cl2 =>
2 C2H2Cl2 + 5 O2 = 4 CO2 + 2 H2O + 2 Cl2
Co3S4 + O2 = Co2O3 + SO2 =>
4 Co3S4 + 25 O2 = 6 Co2O3 + 16 SO2
C3H7COH + O2 = C3H7COOH =>
2 C3H7COH + O2 = 2 C3H7COOH
CuONaOH = CuOHNaO =>
CuONaOH = CuOHNaO
MnO2(c) + HCl(aq) = MnCl2(aq) + Cl(g) + H2O(l) =>
MnO2(c) + 4 HCl(aq) = MnCl2(aq) + 2 Cl(g) + 2 H2O(l)
SiO2 + HBr = SiBr4 + H2O =>
SiO2 + 4 HBr = SiBr4 + 2 H2O
CO2(g) + H2O(g) = C6H12O6(s) + O2(g) =>
6 CO2(g) + 6 H2O(g) = C6H12O6(s) + 6 O2(g)
Cr2O7{-2} + H3O{+} + CH3CH2OH = CH3CHO + Cr{3+} + H2O =>
Cr2O7{-2} + 8 H3O{+} + 3 CH3CH2OH = 3 CH3CHO + 2 Cr{3+} + 15 H2O
ZnBr2 + LiOH = Zn(OH)2 + LiBr =>
ZnBr2 + 2 LiOH = Zn(OH)2 + 2 LiBr
K2Cr1O7 + H2C2O4 + H2SO4 = Cr2(SO4)3 + H2O + CO2 + K2SO4 =>
2 K2Cr1O7 + 9 H2C2O4 + 5 H2SO4 = Cr2(SO4)3 + 14 H2O + 18 CO2 + 2 K2SO4
Na2C2O4 + KI = NaI + K2C2O4 =>
Na2C2O4 + 2 KI = 2 NaI + K2C2O4
NO2 + H20(water) = HNO3 + NO =>
40 NO2 + H20(water) = 20 HNO3 + 20 NO
KI(aq) + FeCl3(aq) = FeI3() + KCl() =>
3 KI(aq) + FeCl3(aq) = FeI3() + 3 KCl()
Cl2H2O = HCl + HClO =>
Cl2H2O = HCl + HClO
NiCl2(aq) + AgNO3(aq) = AgCl(s) + Ni(NO3)2(aq) =>
NiCl2(aq) + 2 AgNO3(aq) = 2 AgCl(s) + Ni(NO3)2(aq)
Ba(MnO4)2 = BaMnO4 + MnO2 + O2 =>
Ba(MnO4)2 = BaMnO4 + MnO2 + O2
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