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MnO2 + 2 NaOH = Na2MnO3 + H2O
(NH4)2S + LiOH = Li2S + NH3 + H2O* =>
(NH4)2S + 2 LiOH = Li2S + 2 NH3 + 2 H2O*
KCl + Cu = KCu + Cl =>
KCl + Cu = KCu + Cl
Cu + H2SO2 = CuS + H2O + SO2 =>
Cu + 2 H2SO2 = CuS + 2 H2O + SO2
ZnS + ZnO = Zn + ZnSO4 =>
ZnS + 4 ZnO = 4 Zn + ZnSO4
C15H32O + O2 = CO2 + H2O =>
2 C15H32O + 45 O2 = 30 CO2 + 32 H2O
Se + H2O = Se3O4 + H2 =>
3 Se + 4 H2O = Se3O4 + 4 H2
BaS + O = S + BaO =>
BaS + O = S + BaO
KMnO4 + Br2 + H2SO4 = MnSO4 + KBrO3 + H2O =>
2 KMnO4 + Br2 + 2 H2SO4 = 2 MnSO4 + 2 KBrO3 + 2 H2O
H2SO4 + C2H5OH + KMgO4 = CO2 + MgO + H2O + K2SO4 =>
6 H2SO4 + 5 C2H5OH + 12 KMgO4 = 10 CO2 + 12 MgO + 21 H2O + 6 K2SO4
NaOH + PO4 = Na3PO4 + OH =>
3 NaOH + PO4 = Na3PO4 + 3 OH
KOH + Cl2 = KCl + HCl + O2 =>
2 KOH + 2 Cl2 = 2 KCl + 2 HCl + O2
C9H19COOH + O2 = CO2 + H2O =>
C9H19COOH + 14 O2 = 10 CO2 + 10 H2O
Zn(NO3)2 + NH4(OH) = Zn(OH)2 + NH4NO3 =>
Zn(NO3)2 + 2 NH4(OH) = Zn(OH)2 + 2 NH4NO3
Fe(II)Cl + KS = Fe(II)S + KCl =>
Fe(II)Cl + KS = Fe(II)S + KCl
Al + CoSO4 = Al2(SO4)3 + Co =>
2 Al + 3 CoSO4 = Al2(SO4)3 + 3 Co
CuCl2(aq) + Na2CO3 = CuCO3 + Na2Cl2 =>
CuCl2(aq) + Na2CO3 = CuCO3 + Na2Cl2
NH3 + P = PH3 + N2H4 =>
6 NH3 + 2 P = 2 PH3 + 3 N2H4
Z + I2 = ZI3 =>
2 Z + 3 I2 = 2 ZI3
CS2 = CS + S2 =>
2 CS2 = 2 CS + S2
(NH4)2S + LiOH = Li2S + NH3 + H2O* =>
(NH4)2S + 2 LiOH = Li2S + 2 NH3 + 2 H2O*
CaS + H2O = Ca(OH)2 + H2S =>
CaS + 2 H2O = Ca(OH)2 + H2S
P4S10 + O2 = P4O10 + SO2 =>
P4S10 + 15 O2 = P4O10 + 10 SO2
Fe(s) + Cu2SO4(aq) = Fe2(SO4)3(aq) + Cu(s) =>
2 Fe(s) + 3 Cu2SO4(aq) = Fe2(SO4)3(aq) + 6 Cu(s)
Na + H2SO4 = Na2SO4 + H2S + H2O =>
8 Na + 5 H2SO4 = 4 Na2SO4 + H2S + 4 H2O
(NH4)2S + LiOH = Li2S + NH3 + H2O* =>
(NH4)2S + 2 LiOH = Li2S + 2 NH3 + 2 H2O*
ZnS + O2 + H2O = ZnO + H2SO4 =>
ZnS + 2 O2 + H2O = ZnO + H2SO4
Al2O3 + C2 = Al + CO =>
2 Al2O3 + 3 C2 = 4 Al + 6 CO
K2Cr2O7 + H2SO4 + KCl = Cl2 + Cr2[SO4]3 + K2SO4 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 KCl = 3 Cl2 + Cr2[SO4]3 + 4 K2SO4 + 7 H2O
(NH4)2S + LiOH = Li2S + NH3 + H2O* =>
(NH4)2S + 2 LiOH = Li2S + 2 NH3 + 2 H2O*
BaS(s) + CaCl2 = BaCl2 + CaS =>
BaS(s) + CaCl2 = BaCl2 + CaS
H2O = []H2O =>
H2O = []H2O
Fe(H2O)6 + Cl = FeCl3 + H2O =>
Fe(H2O)6 + 3 Cl = FeCl3 + 6 H2O
HAlO2 + HCl = AlCl3 + H2O =>
HAlO2 + 3 HCl = AlCl3 + 2 H2O
(NH4)2S + LiOH = Li2S + NH3 + H2O* =>
(NH4)2S + 2 LiOH = Li2S + 2 NH3 + 2 H2O*
Pb(NO3)2(aq) + HI(aq) = PbI(s) + H(NO3)2(aq) =>
Pb(NO3)2(aq) + HI(aq) = PbI(s) + H(NO3)2(aq)
C3H7Cl + NaOH = CH3CH2CH2OH + NaCl =>
C3H7Cl + NaOH = CH3CH2CH2OH + NaCl
As2O3 + HNO3 + H2O = H3AsO4 + N2O2 =>
3 As2O3 + 4 HNO3 + 7 H2O = 6 H3AsO4 + 2 N2O2
Zn + Ag2SO4 = ZnSO4 + Ag2 =>
Zn + Ag2SO4 = ZnSO4 + Ag2
PCH3 + KMgO4 + H2SO4 = PCOOH + K2SO4 + MgSO4 + H2O =>
5 PCH3 + 6 KMgO4 + 9 H2SO4 = 5 PCOOH + 3 K2SO4 + 6 MgSO4 + 14 H2O
CuO = Cu2O2 =>
2 CuO = Cu2O2
AgNO3 + Na2CO3 = NaNO3 + Ag + CO3 =>
2 AgNO3 + Na2CO3 = 2 NaNO3 + 2 Ag + CO3
H2SO4 + HNO3 + FeSO4 = Fe2(SO4)3 + NO + H2O =>
3 H2SO4 + 2 HNO3 + 6 FeSO4 = 3 Fe2(SO4)3 + 2 NO + 4 H2O
NH4 + H2O2 = NO2 + H2O =>
NH4 + 4 H2O2 = NO2 + 6 H2O
CuCl2(aq) + NH3(aq) + H2O(l) = [Cu(NH3)4(H2O)2]{2+} + NH4Cl + OH{-} =>
CuCl2(aq) + 6 NH3(aq) + 4 H2O(l) = [Cu(NH3)4(H2O)2]{2+} + 2 NH4Cl + 2 OH{-}
KMnO4 + NaHSO3 = K + MnO2 + NaHSO4 =>
KMnO4 + 2 NaHSO3 = K + MnO2 + 2 NaHSO4
Mg(s) + Cl(g) = MgCl3(s) =>
Mg(s) + 3 Cl(g) = MgCl3(s)
CH3COOH + NaOH = CH3COONa + H2O =>
CH3COOH + NaOH = CH3COONa + H2O
SiCl4 + Li[AlH4] = SiH4 + LiCl + AlCl3 =>
SiCl4 + Li[AlH4] = SiH4 + LiCl + AlCl3
NaCN(aq) + H2O(l) = HCN(aq) + NaOH(aq) =>
NaCN(aq) + H2O(l) = HCN(aq) + NaOH(aq)
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