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2 Zn + 3 Ca(OH)2 = 2 Zn(OH)3 + 3 Ca
C3H8O + H2SO4 = CO2 + SO2 + H2O =>
C3H8O + 9 H2SO4 = 3 CO2 + 9 SO2 + 13 H2O
NaAsO2 + KMnO4 + H2SO4 = NaAsO3 + MnSO4 + KHSO4 + H2O =>
5 NaAsO2 + 2 KMnO4 + 4 H2SO4 = 5 NaAsO3 + 2 MnSO4 + 2 KHSO4 + 3 H2O
AgCl + NaOH = Ag2O + NaCl + H2O =>
2 AgCl + 2 NaOH = Ag2O + 2 NaCl + H2O
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
KNO3 + C = K2O + N2 + CO2 =>
4 KNO3 + 5 C = 2 K2O + 2 N2 + 5 CO2
Br2 + H2S = HBr + S8 =>
8 Br2 + 8 H2S = 16 HBr + S8
Na + O{2} = Na{2} + O =>
Na + O{2} = Na{2} + O
Mg + HCe = MgCe + H =>
Mg + HCe = MgCe + H
Na3VO4 + H2O2 = Na3[V(O2)4] + H2O =>
Na3VO4 + 4 H2O2 = Na3[V(O2)4] + 4 H2O
Zn + K2CO3 = Zn(CO3)2 + K =>
Zn + 2 K2CO3 = Zn(CO3)2 + 4 K
KCIO3 + S = KCI + SO2 =>
2 KCIO3 + 3 S = 2 KCI + 3 SO2
KMnO4 + CH3CH2OH + NaOH = Na2MnO4 + CH3COOH + H2O + KOH =>
4 KMnO4 + CH3CH2OH + 8 NaOH = 4 Na2MnO4 + CH3COOH + 3 H2O + 4 KOH
K2HPO4 + Ba(OH)2 = KOH + BaHPO4 =>
K2HPO4 + Ba(OH)2 = 2 KOH + BaHPO4
Ba + AlCl3 = BaCl2 + Al =>
3 Ba + 2 AlCl3 = 3 BaCl2 + 2 Al
C9H10O + CH5N = C10H15N + O =>
C9H10O + CH5N = C10H15N + O
Sn + HBr = SnBr4 + H2 =>
Sn + 4 HBr = SnBr4 + 2 H2
NaCl + BaCl2 = Na2Ba + Cl =>
2 NaCl + BaCl2 = Na2Ba + 4 Cl
C3Hg + O2 = CO2 + Hg =>
C3Hg + 3 O2 = 3 CO2 + Hg
Cr2O3 + HNo3 = Cr(No3)3 + H2O =>
Cr2O3 + 6 HNo3 = 2 Cr(No3)3 + 3 H2O
S2Cl2 + NH3 = N4S4 + NH4Cl + S8 =>
6 S2Cl2 + 16 NH3 = N4S4 + 12 NH4Cl + S8
(NH4)2SO3 + HCl = NH4 + Cl + SO2 + H2O =>
(NH4)2SO3 + 2 HCl = 2 NH4 + 2 Cl + SO2 + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Cr2O3 + KOH + H2O = K3(Cr(OH)6) =>
Cr2O3 + 6 KOH + 3 H2O = 2 K3(Cr(OH)6)
MgSO4 + Cu(NO3) = CuSO4 + MgNO3 =>
MgSO4 + Cu(NO3) = CuSO4 + MgNO3
Ba(s) + O2 = BaO(s) =>
2 Ba(s) + O2 = 2 BaO(s)
Br2 + RbI = RbBr + I2 =>
Br2 + 2 RbI = 2 RbBr + I2
BaCl2 + CH3COOH = Ba(OH)2 + C2(HCl)2 =>
BaCl2 + CH3COOH = Ba(OH)2 + C2(HCl)2
Na2O2 + H2SO4 = Na2SO4 + H2O2 =>
Na2O2 + H2SO4 = Na2SO4 + H2O2
Ag + FePO4 = Ag3PO4 + Fe =>
3 Ag + FePO4 = Ag3PO4 + Fe
C6H12O6 + O4 = C6H12O9 =>
4 C6H12O6 + 3 O4 = 4 C6H12O9
NH4Br(aq) + Pb(C2H3O2)2(aq) = (NH4)2Pb(aq) + Br(C2H3O2)(s) =>
2 NH4Br(aq) + Pb(C2H3O2)2(aq) = (NH4)2Pb(aq) + 2 Br(C2H3O2)(s)
KAlSi3O8 + H2O = HAlSi3O8 + KOH =>
KAlSi3O8 + H2O = HAlSi3O8 + KOH
NH4Br = NH4 + Br =>
NH4Br = NH4 + Br
FeBr3 + Zn = ZnBr2 + Fe =>
2 FeBr3 + 3 Zn = 3 ZnBr2 + 2 Fe
KBr + KBrO3 + H2SO4 = Br2 + K2SO4 + H2O =>
5 KBr + KBrO3 + 3 H2SO4 = 3 Br2 + 3 K2SO4 + 3 H2O
Fe + NaNO3 + NaOH = Na2FeO4 + N2 + H2O =>
5 Fe + 6 NaNO3 + 4 NaOH = 5 Na2FeO4 + 3 N2 + 2 H2O
S8 + OH{-} = S2O32{2-} + S2{2-} + H2O =>
8 S8 + 64 OH{-} = S2O32{2-} + 31 S2{2-} + 32 H2O
PbO + CH4 = Pb + CO2 + H2O =>
4 PbO + CH4 = 4 Pb + CO2 + 2 H2O
H2CO3 + Co(OH)3 = Co(HCO3)3 + H2O =>
3 H2CO3 + Co(OH)3 = Co(HCO3)3 + 3 H2O
KMnO4 + HCe = KCe + MnCe2 + Ce2 + H2O =>
2 KMnO4 + 16 HCe = 2 KCe + 2 MnCe2 + 5 Ce2 + 8 H2O
Al + ZnO = Al2O3 + Zn =>
2 Al + 3 ZnO = Al2O3 + 3 Zn
C6H6O2 + FeCl3 = Fe(C6H5O2)3 + HCl =>
3 C6H6O2 + FeCl3 = Fe(C6H5O2)3 + 3 HCl
K + ClO = KCl + O =>
K + ClO = KCl + O
(NH4)2SO4 + CuCl2 = NH4Cl + Cu2(SO4)2 =>
2(NH4)2SO4 + 2 CuCl2 = 4 NH4Cl + Cu2(SO4)2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Na3PO4 + Ag(NO3) = Na3(NO3) + Ag(PO4) =>
Na3PO4 + Ag(NO3) = Na3(NO3) + Ag(PO4)
AgNO3 + Ca(OH)2 = Ag(OH) + Ca(NO3)2 =>
2 AgNO3 + Ca(OH)2 = 2 Ag(OH) + Ca(NO3)2
K3PO4 + Sr(NO3)2 = Sr3(PO4)2 + KNO3 =>
2 K3PO4 + 3 Sr(NO3)2 = Sr3(PO4)2 + 6 KNO3
MnS + O2 + H2O = MnO(OH) + H2S =>
4 MnS + O2 + 6 H2O = 4 MnO(OH) + 4 H2S
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