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2 ZnHg + 2 H2SO4 = 2 H2 + 2 ZnSO4 + Hg2
Fe(OH)2 + Na2O2 + H2O = Fe(OH)3 + Na2O =>
2 Fe(OH)2 + Na2O2 + H2O = 2 Fe(OH)3 + Na2O
Al + CuCl = AlCl3 + Cu =>
Al + 3 CuCl = AlCl3 + 3 Cu
CaO + NaCl = CaCl2 + Na2O =>
CaO + 2 NaCl = CaCl2 + Na2O
C2H5OH + NH3 = C2H7N + H2O =>
C2H5OH + NH3 = C2H7N + H2O
O + Ni = O3Ni2 =>
3 O + 2 Ni = O3Ni2
BaS + HCl = BaCl2 + H2S =>
BaS + 2 HCl = BaCl2 + H2S
NaBrO + Zn + NaOH = Na2ZnO2 + NaBr + H2O =>
NaBrO + Zn + 2 NaOH = Na2ZnO2 + NaBr + H2O
AgSO4 + Al(NO3) = Ag(NO3) + Al(SO4) =>
AgSO4 + Al(NO3) = Ag(NO3) + Al(SO4)
PB(NO3)2 + K2S = PBS + KNO3 =>
PB(NO3)2 + K2S = PBS + 2 KNO3
Ca(OH)2 + (NH4)2SO4 = CaSO4 + NH3 + H2O =>
Ca(OH)2 + (NH4)2SO4 = CaSO4 + 2 NH3 + 2 H2O
CH3CN + H2 = CH3CH2NH2 =>
CH3CN + 2 H2 = CH3CH2NH2
NaCl + FeBr3 = NaBr + FeCl3 =>
3 NaCl + FeBr3 = 3 NaBr + FeCl3
KMnO4 + SO2 + KOH = MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 SO2 + 4 KOH = 2 MnSO4 + 3 K2SO4 + 2 H2O
Zn(OH)2 + H2CO3 = ZnCO3 + H2O =>
Zn(OH)2 + H2CO3 = ZnCO3 + 2 H2O
Ca(NO3)2 + NaOH = Ca(OH)2 + Na(NO3) =>
Ca(NO3)2 + 2 NaOH = Ca(OH)2 + 2 Na(NO3)
KMnO4 + Na2C2O4 + H2SO4 = Na2SO4 + K2SO4 + CO2 + MnO2 + H2O =>
2 KMnO4 + 3 Na2C2O4 + 4 H2SO4 = 3 Na2SO4 + K2SO4 + 6 CO2 + 2 MnO2 + 4 H2O
CrO + NO2 = Cr2O3 + N2 =>
8 CrO + 2 NO2 = 4 Cr2O3 + N2
SiO2(s) + C = SiC + CO =>
SiO2(s) + 3 C = SiC + 2 CO
Cr2(CO3)3 + H2SO4 = CO2 + Cr2(SO4)3 + H2O =>
Cr2(CO3)3 + 3 H2SO4 = 3 CO2 + Cr2(SO4)3 + 3 H2O
Pb(s) + AgNO3(aq) = Pb(NO3)2(aq) + Ag(s) =>
Pb(s) + 2 AgNO3(aq) = Pb(NO3)2(aq) + 2 Ag(s)
Pb3O4 + H2 = Pb + H2O =>
Pb3O4 + 4 H2 = 3 Pb + 4 H2O
Mg(s) + C(s) + O2(s) = MgCO3(s) =>
2 Mg(s) + 2 C(s) + 3 O2(s) = 2 MgCO3(s)
C5H10O + H2 = C4H9CH2OH =>
C5H10O + H2 = C4H9CH2OH
Be(OH)2 + Ca(OH)2 = CaBeO2 + H2O =>
Be(OH)2 + Ca(OH)2 = CaBeO2 + 2 H2O
(NH4)2SO3 + KOH = K2SO3 + NH3 + H2O =>
(NH4)2SO3 + 2 KOH = K2SO3 + 2 NH3 + 2 H2O
Zn + Pb3(PO4)2 = Pb + Zn3(PO4)2 =>
3 Zn + Pb3(PO4)2 = 3 Pb + Zn3(PO4)2
H2S + H2Cr2O7 = H2O + S + Cr =>
6 H2S + H2Cr2O7 = 7 H2O + 6 S + 2 Cr
Na2S2O3 + H2O2 + NaOH = Na2SO3 + H2O =>
Na2S2O3 + 2 H2O2 + 2 NaOH = 2 Na2SO3 + 3 H2O
Pb + HCl = PbCl4 + H =>
Pb + 4 HCl = PbCl4 + 4 H
Hg2(NO3)2 + NH4(OH) = NH2Hg2NO3 + NH4NO3 + H2O =>
Hg2(NO3)2 + 2 NH4(OH) = NH2Hg2NO3 + NH4NO3 + 2 H2O
K + CuO2 = KO2 + Cu =>
K + CuO2 = KO2 + Cu
Mg(OH)2 + CoCl2 = MgCl2 + Co(OH)2 =>
Mg(OH)2 + CoCl2 = MgCl2 + Co(OH)2
I2O3 + Ba(OH)2 = BaI2O4 + H2O =>
I2O3 + Ba(OH)2 = BaI2O4 + H2O
C2H2(g) + O2(g) = CO2 + H2 =>
C2H2(g) + 2 O2(g) = 2 CO2 + H2
PbCl2(s) + Cl2(g) = PbCl4(l) =>
PbCl2(s) + Cl2(g) = PbCl4(l)
C2H5NH3 + KMnO4 + H2SO4 = C2H5NO2 + MnSO4 + K2SO4 + H2O =>
10 C2H5NH3 + 14 KMnO4 + 21 H2SO4 = 10 C2H5NO2 + 14 MnSO4 + 7 K2SO4 + 36 H2O
Ca + NaOH = Na + Ca(OH)2 =>
Ca + 2 NaOH = 2 Na + Ca(OH)2
Ru(NO3)4 + H2SO4 = Ru(SO4)2 + HNO3 =>
Ru(NO3)4 + 2 H2SO4 = Ru(SO4)2 + 4 HNO3
PbCl2 + O2 = Cl2 + PbO =>
2 PbCl2 + O2 = 2 Cl2 + 2 PbO
PCl5 + I2 = PI3 + Cl2 =>
2 PCl5 + 3 I2 = 2 PI3 + 5 Cl2
Li2C2O4 + SrCl2 = LiCl + SrC2O4 =>
Li2C2O4 + SrCl2 = 2 LiCl + SrC2O4
H2(g) + N2(g) + O2(g) = HNO3 =>
H2(g) + N2(g) + 3 O2(g) = 2 HNO3
MgBr2 + Pb(C2H3O2)2 = Mg(C2H3O2)2 + PbBr2 =>
MgBr2 + Pb(C2H3O2)2 = Mg(C2H3O2)2 + PbBr2
C + K = K4C =>
C + 4 K = K4C
C4H10 + CH4 = C3H8 =>
2 C4H10 + CH4 = 3 C3H8
Ag2CrO4 + CH3COOH = Ag{+} + CH3COO{-} + Cr2O7{2-} + H2O =>
2 Ag2CrO4 + 2 CH3COOH = 4 Ag{+} + 2 CH3COO{-} + Cr2O7{2-} + H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaOH + CS2 = Na2CS3 + Na2CO3 + H2O =>
6 NaOH + 3 CS2 = 2 Na2CS3 + Na2CO3 + 3 H2O
ZnS + O2 = SO2 + ZnO =>
2 ZnS + 3 O2 = 2 SO2 + 2 ZnO
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