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H3PO4 + CaOH = H4PO5Ca
Fe + H2SO3 = Fe(SO3)2 + H =>
Fe + 2 H2SO3 = Fe(SO3)2 + 4 H
C2H5OH + K2Cr2O7 + H2SO4 = CH3COH + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H5OH + K2Cr2O7 + 4 H2SO4 = 3 CH3COH + Cr2(SO4)3 + K2SO4 + 7 H2O
K2SO4(ac) + NaOH(ac) = Na2SO4(s) + KOH(ac) =>
K2SO4(ac) + 2 NaOH(ac) = Na2SO4(s) + 2 KOH(ac)
Zn(s) + HCl = ZnCl2(i) + H2(g) =>
Zn(s) + 2 HCl = ZnCl2(i) + H2(g)
MnSO4 + KBiO3 + HNO3 = HMnO4 + Bi(NO3)3 + K2SO4 + NH2 + H2O =>
7 MnSO4 + 14 KBiO3 + 43 HNO3 = 7 HMnO4 + 14 Bi(NO3)3 + 7 K2SO4 + NH2 + 17 H2O
KClO3 + FeCl + HCl = KCl + FeCl3 + H2O =>
KClO3 + 3 FeCl + 6 HCl = KCl + 3 FeCl3 + 3 H2O
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
NH4Cl + Ba(OH)2 = NH3 + BaCl2 + H2O =>
2 NH4Cl + Ba(OH)2 = 2 NH3 + BaCl2 + 2 H2O
H2SO4 + H2S = H2O + SO2 =>
3 H2SO4 + H2S = 4 H2O + 4 SO2
C6H7N + (CH3CO)2O = C6H5NH(COCH3) + CH3COOH =>
C6H7N + (CH3CO)2O = C6H5NH(COCH3) + CH3COOH
FePO4 + MgO = Fe2O3 + Mg3(PO4)2 =>
2 FePO4 + 3 MgO = Fe2O3 + Mg3(PO4)2
RCOCH3 + I2 + NaOH = CHI3 + RCOONa + Na + H2O =>
2 RCOCH3 + 3 I2 + 8 NaOH = 2 CHI3 + 2 RCOONa + 6 Na + 6 H2O
(C6H5O7)2Ca3 + H3PO4 = C6H8O7 + Ca3(PO4)2 =>
(C6H5O7)2Ca3 + 2 H3PO4 = 2 C6H8O7 + Ca3(PO4)2
C2H5OH + MnO4{-} = MnO2 + CH3COO{-} + OH{-} + H2O =>
3 C2H5OH + 4 MnO4{-} = 4 MnO2 + 3 CH3COO{-} + OH{-} + 4 H2O
Mg3(PO4)2 + H2 = Mg + H3PO4 =>
Mg3(PO4)2 + 3 H2 = 3 Mg + 2 H3PO4
CuSO4 = Cu2 + SO4 =>
2 CuSO4 = Cu2 + 2 SO4
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
H2Cr2O7 + SnCl2 + HCl = SnCl4 + Cr(OH)3 + H2O =>
H2Cr2O7 + 3 SnCl2 + 6 HCl = 3 SnCl4 + 2 Cr(OH)3 + H2O
Sr + O2 = SrO =>
2 Sr + O2 = 2 SrO
Al2(SO4)3(ac) + NaOH(ac) = Na2SO4(ac) + Al(OH)3(s) =>
Al2(SO4)3(ac) + 6 NaOH(ac) = 3 Na2SO4(ac) + 2 Al(OH)3(s)
AlCl3 + Fe2O3 = FeCl3 + Al2O3 =>
2 AlCl3 + Fe2O3 = 2 FeCl3 + Al2O3
AlN2 = Al + N2 =>
AlN2 = Al + N2
Na2O* + H2O = NaOH =>
Na2O* + H2O = 2 NaOH
C2HOC2H5 + O2 = CO2 + H2O =>
C2HOC2H5 + 5 O2 = 4 CO2 + 3 H2O
CuO + FeO = Fe2O3 + Cu2O =>
2 CuO + 2 FeO = Fe2O3 + Cu2O
C2HOC2H5 + O2 = CO2 + H2O =>
C2HOC2H5 + 5 O2 = 4 CO2 + 3 H2O
Al2O3 + H2SO3 = Al(HSO3)3 + H2O =>
Al2O3 + 6 H2SO3 = 2 Al(HSO3)3 + 3 H2O
FeO = Fe + O2 =>
2 FeO = 2 Fe + O2
C4H6 + KMnO4 + KOH = C4O4H10 + K2MnO4 =>
C4H6 + 4 KMnO4 + 4 KOH = C4O4H10 + 4 K2MnO4
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
I2(s) + C2H5OH(ac) = HI + H2O + C2H2 =>
I2(s) + C2H5OH(ac) = 2 HI + H2O + C2H2
Fe2(CO3)2 + H2SO4 = FeSO4 + H2O + CO2 =>
Fe2(CO3)2 + 2 H2SO4 = 2 FeSO4 + 2 H2O + 2 CO2
H2O + FeCl3 + Fe = HCl + FeO =>
3 H2O + 2 FeCl3 + Fe = 6 HCl + 3 FeO
AgCl + CaCl2 = AgCl2 + CaCl =>
AgCl + CaCl2 = AgCl2 + CaCl
FeN2O6 + Cu(NO3)2 + H2O = CuFe2O4 + HNO3 + NO2 =>
2 FeN2O6 + Cu(NO3)2 + 2 H2O = CuFe2O4 + 4 HNO3 + 2 NO2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
AgNO3 + Br2 = AgBr + NO3 =>
2 AgNO3 + Br2 = 2 AgBr + 2 NO3
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
C6H6O3S + NaOH = C6H5O3SNa + H2O =>
C6H6O3S + NaOH = C6H5O3SNa + H2O
FeSO4 + KOH = Fe(OH)2 + K2SO4 =>
FeSO4 + 2 KOH = Fe(OH)2 + K2SO4
AgNO3 + HPO3 + H2O = Ag3PO4 + HNO3 =>
3 AgNO3 + HPO3 + H2O = Ag3PO4 + 3 HNO3
CaCl2 + NaNO3 = Ca(NO3)2 + NaCl =>
CaCl2 + 2 NaNO3 = Ca(NO3)2 + 2 NaCl
Ca3P2 + O2 = Ca2O3 + P =>
4 Ca3P2 + 9 O2 = 6 Ca2O3 + 8 P
KHCO3 + H2SO4 = KSO4 + CO2 + H3O =>
KHCO3 + H2SO4 = KSO4 + CO2 + H3O
Zn + Al2O3 = ZnO + Al =>
3 Zn + Al2O3 = 3 ZnO + 2 Al
KSCN + Fe(NO3)3 + NaH2PO4 = KNO3 + NaSCN + Fe{3+} + H2PO4{-} =>
3 KSCN + Fe(NO3)3 + 3 NaH2PO4 = 3 KNO3 + 3 NaSCN + Fe{3+} + 3 H2PO4{-}
HO2CCH(NH2)CH2SH + NaOH = HO2CCH(NH2)CH2OH + Na2S + H2O =>
HO2CCH(NH2)CH2SH + 2 NaOH = HO2CCH(NH2)CH2OH + Na2S + H2O
Mg{+2} + Li = Mg + Li{+1) =>
Mg{+2} + 2 Li = Mg + 2 Li{+1)
Ca3N2 + H2O = Ca(OH)2 + CaHN =>
Ca3N2 + 2 H2O = Ca(OH)2 + 2 CaHN
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