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2 NaOH + K2S = 2 KOH + Na2S
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Pb(NO3)2 + Al2(SO4)3 = PbSO4 + Al(NO3)3 =>
3 Pb(NO3)2 + Al2(SO4)3 = 3 PbSO4 + 2 Al(NO3)3
Na2S + H3PO4 = Na3PO4 + H2S =>
3 Na2S + 2 H3PO4 = 2 Na3PO4 + 3 H2S
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KCl + Ca(OH)2 = CaCl2 + KOH =>
2 KCl + Ca(OH)2 = CaCl2 + 2 KOH
Fe(s) + Ni(NO3)2(aq) = Fe(NO3)3(aq) + Ni(s) =>
2 Fe(s) + 3 Ni(NO3)2(aq) = 2 Fe(NO3)3(aq) + 3 Ni(s)
Si2H3 + O2 = SiO2 + H2O3 =>
4 Si2H3 + 17 O2 = 8 SiO2 + 6 H2O3
Bi(OH)3(s) + Sn(OH)3{-}(aq) + OH{-} = Sn(OH)6{2-}(aq) + Bi(s) =>
2 Bi(OH)3(s) + 3 Sn(OH)3{-}(aq) + 3 OH{-} = 3 Sn(OH)6{2-}(aq) + 2 Bi(s)
HCl(aq) + Cu(s) = CuCl(aq) + H(s) =>
HCl(aq) + Cu(s) = CuCl(aq) + H(s)
CH3CH2CH2Br + NH3 = CH3CH2CH2NH2 + HBr =>
CH3CH2CH2Br + NH3 = CH3CH2CH2NH2 + HBr
Fe{3+} + Ba = Ba{2+} + Fe =>
2 Fe{3+} + 3 Ba = 3 Ba{2+} + 2 Fe
Ca3(PO4)2 + SiO2 = P4O10 + CaSiO3 =>
2 Ca3(PO4)2 + 6 SiO2 = P4O10 + 6 CaSiO3
C3F8 + O2 = CO2 + F2 =>
C3F8 + 3 O2 = 3 CO2 + 4 F2
(CH3)2C(OH)CH2CH3 + HCl = (CH3)2C(Cl)CH2CH3 + H2O =>
(CH3)2C(OH)CH2CH3 + HCl = (CH3)2C(Cl)CH2CH3 + H2O
SO2 + Ni2O3 = Ni2(SO3)3 =>
3 SO2 + Ni2O3 = Ni2(SO3)3
RhF3 = Rh + F2 =>
2 RhF3 = 2 Rh + 3 F2
FeO + AuCl3 = FeCl2 + Au2O3 =>
3 FeO + 2 AuCl3 = 3 FeCl2 + Au2O3
Mg(C2H3O2)2 + Ag2O = AgC2H3O2 + Mg + O2 =>
2 Mg(C2H3O2)2 + 2 Ag2O = 4 AgC2H3O2 + 2 Mg + O2
BaCl2(aq) + KNO3(aq) = Ba(NO3)2 + KCl =>
BaCl2(aq) + 2 KNO3(aq) = Ba(NO3)2 + 2 KCl
C2H4 + O3 = H2O + CO2 =>
C2H4 + 2 O3 = 2 H2O + 2 CO2
H2SO4 + Fe(OH)2 = FeSO4 + H4O2 =>
H2SO4 + Fe(OH)2 = FeSO4 + H4O2
NH4I(aq) + AgNO3(aq) = AgI(s) + NH4NO3(aq) =>
NH4I(aq) + AgNO3(aq) = AgI(s) + NH4NO3(aq)
KI(aq) + Cl2(g) = KCl + I =>
2 KI(aq) + Cl2(g) = 2 KCl + 2 I
ClO3{-} + S{-2} + H2O = Cl{-} + S + OH{-} =>
ClO3{-} + 3 S{-2} + 3 H2O = Cl{-} + 3 S + 6 OH{-}
K2CO3(aq) + HClO4(aq) = KClO4 + CO2 + H2O =>
K2CO3(aq) + 2 HClO4(aq) = 2 KClO4 + CO2 + H2O
K2O(s) + H2O(l) = K(OH)(aq) =>
K2O(s) + H2O(l) = 2 K(OH)(aq)
H2O + CO2 = C6H12O6 + O =>
6 H2O + 6 CO2 = C6H12O6 + 12 O
Tl + O3 = Tl2O3 =>
2 Tl + O3 = Tl2O3
CH{4+} + O{2-} + SrCl{2-} = CO{2-} + H{2+}O + SrO + Cl{2-}O =>
CH{4+} + 2 O{2-} + SrCl{2-} = CO{2-} + H{2+}O + SrO + Cl{2-}O
Na2S + KMnO4 + HCl = NaCl + KCl + MnCl2 + S + H2O =>
5 Na2S + 2 KMnO4 + 16 HCl = 10 NaCl + 2 KCl + 2 MnCl2 + 5 S + 8 H2O
NaH2PO2 + CuSO4 + H2O = H2PO4 + H2SO4 + HNaSO4 + Cu2H2 =>
6 NaH2PO2 + 10 CuSO4 + 12 H2O = 6 H2PO4 + 4 H2SO4 + 6 HNaSO4 + 5 Cu2H2
SiCl4 + NaOH = Si + NaClO + H2 =>
SiCl4 + 4 NaOH = Si + 4 NaClO + 2 H2
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
HOCH2CH(NH2)COOH + NaOH = NaOCH2CH(NH2)COONa + H2O =>
HOCH2CH(NH2)COOH + 2 NaOH = NaOCH2CH(NH2)COONa + 2 H2O
NaClO + HClO2 = NaClO2 + HClO =>
NaClO + HClO2 = NaClO2 + HClO
Fe2S3 + NaHClO = Fe2(SO4)3 + NaCl + H2O =>
Fe2S3 + 24 NaHClO = Fe2(SO4)3 + 24 NaCl + 12 H2O
Ga(OH)3 + Ba(OH)2 = Ba3[Ga(OH)6]2 =>
2 Ga(OH)3 + 3 Ba(OH)2 = Ba3[Ga(OH)6]2
BaCl2 + K2CrO4 = BaCl2K2CrO4 =>
BaCl2 + K2CrO4 = BaCl2K2CrO4
P2O3 + KOH = H2O + K2P2O4 =>
P2O3 + 2 KOH = H2O + K2P2O4
Mg(OH)2 + NaH2PO4 = Mg(H2PO4)2 + NaOH =>
Mg(OH)2 + 2 NaH2PO4 = Mg(H2PO4)2 + 2 NaOH
Al2(SO4)3 + Ca(CH3COO)2 = Al(CH3COO)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(CH3COO)2 = 2 Al(CH3COO)3 + 3 CaSO4
Z3X8 + Q2 = ZQ2 + X2Q =>
Z3X8 + 5 Q2 = 3 ZQ2 + 4 X2Q
Rb + Fe3O2 = RbO + Fe =>
2 Rb + Fe3O2 = 2 RbO + 3 Fe
Fe2(SO4)3 + MgO = MgSO4 + Fe2O3 =>
Fe2(SO4)3 + 3 MgO = 3 MgSO4 + Fe2O3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Mg(OH)2 + AgNO3 = Mg(OH)2(NO3) + Ag =>
Mg(OH)2 + AgNO3 = Mg(OH)2(NO3) + Ag
Mo(OH)3 + HCl = MoOH(Cl)2 + H2O =>
Mo(OH)3 + 2 HCl = MoOH(Cl)2 + 2 H2O
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