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H2S(s) + 2 NaOH(g) = Na2S + 2 H2O
NH4Br + I2 = BrI2 + NH4 =>
NH4Br + I2 = BrI2 + NH4
H2SO4 + Ca(OH)2 = Ca(SO3)(OH)2 + H2O =>
H2SO4 + Ca(OH)2 = Ca(SO3)(OH)2 + H2O
NO2 + HNO3 = NO3 + HNO2 =>
NO2 + HNO3 = NO3 + HNO2
CO2 + H2O + e = HCHO + OH{-} =>
CO2 + 3 H2O + 4e = HCHO + 4 OH{-}
(NH4)2 + Pb(NO3)2 = Pb(NH4)2 + (NO3)2 =>
(NH4)2 + Pb(NO3)2 = Pb(NH4)2 + (NO3)2
Fe + CuO2 = FeO2 + Cu =>
Fe + CuO2 = FeO2 + Cu
H2(g) + I2(l) = H2I(aq) =>
2 H2(g) + I2(l) = 2 H2I(aq)
FeSO3 + HCl = FeCl2 + H2S + O =>
FeSO3 + 2 HCl = FeCl2 + H2S + 3 O
I2O + NaOH = NaIO + H2O =>
I2O + 2 NaOH = 2 NaIO + H2O
NH4OH + CuSO4 = [Cu(NH4OH)]4 + SO4 =>
4 NH4OH + 4 CuSO4 = [Cu(NH4OH)]4 + 4 SO4
ClNa + H2SO4 + MnO2 = NaHSO4 + MnSO4 + H2O + Cl2 =>
2 ClNa + 3 H2SO4 + MnO2 = 2 NaHSO4 + MnSO4 + 2 H2O + Cl2
ZnSO4 + NaOH = Zn(OH)2 + Na2SO4 =>
ZnSO4 + 2 NaOH = Zn(OH)2 + Na2SO4
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
Mg(OH)2Ca(H2PO4)2 = Ca(OH)2Mg(H2PO4)2 =>
Mg(OH)2Ca(H2PO4)2 = Ca(OH)2Mg(H2PO4)2
(NH4)2SO4 + Ba(NO3)2 = (NH4)2(NO3)2 + SO4Ba =>
(NH4)2SO4 + Ba(NO3)2 = (NH4)2(NO3)2 + SO4Ba
H2SO4(ac) + Cu(s) = CuSO4(ac) + SO2(g) + H2O =>
2 H2SO4(ac) + Cu(s) = CuSO4(ac) + SO2(g) + 2 H2O
Zn + KMnO4 + H2SO4 = MnSO4 + K2SO4 + ZnSO4 + H2O =>
5 Zn + 2 KMnO4 + 8 H2SO4 = 2 MnSO4 + K2SO4 + 5 ZnSO4 + 8 H2O
H2S + Ca(OH)2 + CaOCl2 = CaCl2 + CaSO4 + H2O =>
H2S + Ca(OH)2 + 4 CaOCl2 = 4 CaCl2 + CaSO4 + 2 H2O
K2MnF6 + SBF5 = KSBF6 + MnF3 + F2 =>
2 K2MnF6 + 4 SBF5 = 4 KSBF6 + 2 MnF3 + F2
Ba(OH)2 + Na2(CO3) = BaCO3 + NaOH =>
Ba(OH)2 + Na2(CO3) = BaCO3 + 2 NaOH
C2H4O2CH4O = C3H6O2H2O =>
C2H4O2CH4O = C3H6O2H2O
Ba(OH)2 + H2ClO4 = BaClO4 + H2O =>
Ba(OH)2 + H2ClO4 = BaClO4 + 2 H2O
Be + Cl2 = Be(Cl2)2 =>
Be + 2 Cl2 = Be(Cl2)2
H2(g) + I2(l) = H2I(aq) =>
2 H2(g) + I2(l) = 2 H2I(aq)
KCl = K + Cl3 =>
3 KCl = 3 K + Cl3
ZnSO4 + KCl = K2SO4 + ZnCl2 =>
ZnSO4 + 2 KCl = K2SO4 + ZnCl2
CuS + HNO3 = Cu[NO3]2 + NO2 + S2 + H2O =>
2 CuS + 8 HNO3 = 2 Cu[NO3]2 + 4 NO2 + S2 + 4 H2O
Cu(NO3)2 + Na2SO4 = CuSO4 + Na(NO3) =>
Cu(NO3)2 + Na2SO4 = CuSO4 + 2 Na(NO3)
BaS + H2SO4 = BaSO4 + SH2 =>
BaS + H2SO4 = BaSO4 + SH2
AlCl3 + KOH = KCl + Al(OH)3 =>
AlCl3 + 3 KOH = 3 KCl + Al(OH)3
Na2CO3 + BaCl2 = Na2CO3BaCl2 =>
Na2CO3 + BaCl2 = Na2CO3BaCl2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
V + HNO3 = HVO3 + NO + H2O =>
3 V + 5 HNO3 = 3 HVO3 + 5 NO + H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
HCOOH + CH3CH(OH)CH2CH3 = CHCOOCH3CH2CH3 + H2O =>
20 HCOOH + 15 CH3CH(OH)CH2CH3 = 16 CHCOOCH3CH2CH3 + 23 H2O
H(l) + F(l) = HF(g) =>
H(l) + F(l) = HF(g)
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
H2 + Ba = H2Ba =>
H2 + Ba = H2Ba
Al(OH)3 + H2SO4 = AlHSO5 + H2O =>
Al(OH)3 + H2SO4 = AlHSO5 + 2 H2O
AgNO3 + CaJ = CaNO3 + AgJ =>
AgNO3 + CaJ = CaNO3 + AgJ
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Pb(NO3)2 + Ca(OH)2 = Ca(NO3)2 + Pb(OH)2 =>
Pb(NO3)2 + Ca(OH)2 = Ca(NO3)2 + Pb(OH)2
AlCl3 + H2O = (AlOH)Cl2 + HCl =>
AlCl3 + H2O = (AlOH)Cl2 + HCl
Hg(NO3)2 + H2O = HNO3 + Hg(OH)2 =>
Hg(NO3)2 + 2 H2O = 2 HNO3 + Hg(OH)2
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
D = D2 =>
2 D = D2
C2H2 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
C2H2 + 2 KMnO4 + 3 H2SO4 = 2 CO2 + 2 MnSO4 + K2SO4 + 4 H2O
Cr(OH)3 + NaOCl + Na2CO3 = Na2CrO4 + NaCl + CO2 + H2O =>
2 Cr(OH)3 + 3 NaOCl + 2 Na2CO3 = 2 Na2CrO4 + 3 NaCl + 2 CO2 + 3 H2O
Fe(OH)2 + H2SO4 = FeSO4 + H2O =>
Fe(OH)2 + H2SO4 = FeSO4 + 2 H2O
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