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3 CaS + 2 AlPO4 = Ca3(PO4)2 + Al2S3
H2 + Fe2S3 = H2S + Fe =>
3 H2 + Fe2S3 = 3 H2S + 2 Fe
(a)Ag(s) + H2S(g) + O2(g) = Ag2S(s) + H2O(l) =>
4(a)Ag(s) + 2 H2S(g) + O2(g) = 2 Ag2S(s) + 2 H2O(l)
SO3{-}2 + MnO4{-}1 + H2O = SO4{-}2 + MnO2 + OH{-}1 =>
3 SO3{-}2 + 2 MnO4{-}1 + H2O = 3 SO4{-}2 + 2 MnO2 + 2 OH{-}1
(NH2)2CO + Ca(ClO)2 + H2O = NCl3 + Ca(OH)2 + CO2 =>
(NH2)2CO + 3 Ca(ClO)2 + H2O = 2 NCl3 + 3 Ca(OH)2 + CO2
FePO4 + Na2SO4 = Fe2(SO4)2 + Na2PO4 =>
2 FePO4 + 2 Na2SO4 = Fe2(SO4)2 + 2 Na2PO4
NaOH(aq) + HCl = NaCl(aq) + H2O(i) =>
NaOH(aq) + HCl = NaCl(aq) + H2O(i)
Ca(HCO3)2*H2O = Ca(HCO3)2 + H2O =>
Ca(HCO3)2*H2O = Ca(HCO3)2 + H2O
Na2(CO)3 + Ca(OH)2 = Na(OH) + Ca(CO)3 =>
Na2(CO)3 + Ca(OH)2 = 2 Na(OH) + Ca(CO)3
C6H13OH + CuO = C6H11OH + Cu + H2O =>
C6H13OH + CuO = C6H11OH + Cu + H2O
Al(NO3)3 + NH4OH = Al(OH)3 + NH4NO3 =>
Al(NO3)3 + 3 NH4OH = Al(OH)3 + 3 NH4NO3
Na3[Cr(OH)6] + H2O2 = Na2CrO4 + NaOH + H2O =>
2 Na3[Cr(OH)6] + 3 H2O2 = 2 Na2CrO4 + 2 NaOH + 8 H2O
LiOH + PbSO4 = Pb(OH)2 + Li2SO4 =>
2 LiOH + PbSO4 = Pb(OH)2 + Li2SO4
Na2S + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O + Na2SO4 =>
3 Na2S + 4 K2Cr2O7 + 16 H2SO4 = 4 Cr2(SO4)3 + 4 K2SO4 + 16 H2O + 3 Na2SO4
Na2SO3 + CuCl2 = CuSO3 + NaCl =>
Na2SO3 + CuCl2 = CuSO3 + 2 NaCl
(NH4)2SO3 + HCl = NH4Cl + H2SO3 =>
(NH4)2SO3 + 2 HCl = 2 NH4Cl + H2SO3
Fe + U = Fe2U =>
2 Fe + U = Fe2U
HCN + NaOH = CN + Na + H2O =>
HCN + NaOH = CN + Na + H2O
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + H2O + Cr2(SO4)3 + K2SO4 =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + 7 H2O + Cr2(SO4)3 + K2SO4
OH{-} + CN{-} = CNO{-} + H{+} + {-} =>
OH{-} + CN{-} = CNO{-} + H{+} + 2e
C7H12O4 + C6H10O = C8H12O2 + H2O =>
2 C7H12O4 + 3 C6H10O = 4 C8H12O2 + 3 H2O
Mn(s) + CoCl2(aq) = MnCl2(aq) + Co(s) =>
Mn(s) + CoCl2(aq) = MnCl2(aq) + Co(s)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Ag2O + H2 = OH2 + Ag =>
Ag2O + H2 = OH2 + 2 Ag
Ag + K3N = K + Ag3N =>
3 Ag + K3N = 3 K + Ag3N
C6H10O + Br2 = C6H9OBr + HBr =>
C6H10O + Br2 = C6H9OBr + HBr
CuO + AgNO3 = Cu(NO3)2 + Ag2O =>
CuO + 2 AgNO3 = Cu(NO3)2 + Ag2O
HNO3 + HY = HYO3 + H2O + NO2 =>
6 HNO3 + HY = HYO3 + 3 H2O + 6 NO2
Rb2CO3 = CO2 + Rb + O2 =>
2 Rb2CO3 = 2 CO2 + 4 Rb + O2
H2SO4 + I2 = HIO2 + SO2 + H2O =>
3 H2SO4 + I2 = 2 HIO2 + 3 SO2 + 2 H2O
HCOOC2H5 + O2 = CO2 + H2O =>
2 HCOOC2H5 + 7 O2 = 6 CO2 + 6 H2O
CdS + H{+} + Cl{-} = [CdCl4]{-2} + H2S =>
CdS + 2 H{+} + 4 Cl{-} = [CdCl4]{-2} + H2S
PH3 + (OH)3 = P2O5 + H2O =>
6 PH3 + 16(OH)3 = 3 P2O5 + 33 H2O
Al(OH)3 + NH3 = [Al(NH3)6](OH)3 =>
Al(OH)3 + 6 NH3 = [Al(NH3)6](OH)3
NH4OH + CuSO4 = Cu(OH)2 + (NH4)2SO4 =>
2 NH4OH + CuSO4 = Cu(OH)2 + (NH4)2SO4
Pb(CH3CO2)2 + (NH4)2SO4 = PbSO4 + NH4CH3CO2 =>
Pb(CH3CO2)2 + (NH4)2SO4 = PbSO4 + 2 NH4CH3CO2
Ti(NO3)2 + H2O = Ti + O2 + HNO3 =>
2 Ti(NO3)2 + 2 H2O = 2 Ti + O2 + 4 HNO3
Ag(NO3) + NH4NO3 + NaOH = Ag(NH3)2OH + NaNO3 + H2O =>
Ag(NO3) + 2 NH4NO3 + 3 NaOH = Ag(NH3)2OH + 3 NaNO3 + 2 H2O
CH3CH2OCH3 + HI = CH3CH2OH + CH3I =>
CH3CH2OCH3 + HI = CH3CH2OH + CH3I
K + H2SO4 = K2SO4H2 =>
2 K + H2SO4 = K2SO4H2
CaH2 + H2O = H2 + CaOH2 =>
CaH2 + H2O = H2 + CaOH2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Li2O + H2O = LiOH = =>
Li2O + H2O = 2 LiOH
H3O{+} + Fe{2+} + CrO7{2-} = Fe{3+} + Cr{3+} + H2O =>
14 H3O{+} + 9 Fe{2+} + CrO7{2-} = 9 Fe{3+} + Cr{3+} + 21 H2O
Cr(OH)3 = CrOOH + H2O =>
Cr(OH)3 = CrOOH + H2O
KMnO4 + K2S + H2O = MnO2 + KOH + S =>
2 KMnO4 + 3 K2S + 4 H2O = 2 MnO2 + 8 KOH + 3 S
SO3 + NaOH = Na2SO4 + H2O =>
SO3 + 2 NaOH = Na2SO4 + H2O
CH3COOH + Na2SiO3 = CH3COONa + H2SiO3 =>
2 CH3COOH + Na2SiO3 = 2 CH3COONa + H2SiO3
H3AsO3 + KBrO3 + HCl = KCl + HBr + H3AsO4 =>
3 H3AsO3 + KBrO3 + HCl = KCl + HBr + 3 H3AsO4
C8H18O4 + O2 = CO + H2O =>
2 C8H18O4 + 13 O2 = 16 CO + 18 H2O
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