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4 PH3 + 3 CrO4 = 3 Cr(OH)4 + 4 P
NaIO3 + Pb = Pb(IO3)2 + Na =>
2 NaIO3 + Pb = Pb(IO3)2 + 2 Na
H2O + Na = NaOH + H2 =>
2 H2O + 2 Na = 2 NaOH + H2
SnS + (NH4)2S = (NH4)2SnS2 =>
SnS + (NH4)2S = (NH4)2SnS2
Fe2O3 + Ca(OH)2 = Fe(OH)3 + CaO =>
Fe2O3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaO
NaOH(aq) + CaCl2(aq) = NaCl(aq) + Ca(OH)2 =>
2 NaOH(aq) + CaCl2(aq) = 2 NaCl(aq) + Ca(OH)2
KHCO3 + CaCl2 + H2O = KCl + Ca(OH)2 + H2CO3 =>
2 KHCO3 + CaCl2 + 2 H2O = 2 KCl + Ca(OH)2 + 2 H2CO3
C4H8O(l) + O2(g) = CO2(g) + H2O(g) =>
2 C4H8O(l) + 11 O2(g) = 8 CO2(g) + 8 H2O(g)
Na + PbI2 = NaI + Pb =>
2 Na + PbI2 = 2 NaI + Pb
Fe3O4 + Cl2 + H2SO4 = Fe2(SO4)3 + FeCl3 + H2O =>
6 Fe3O4 + 3 Cl2 + 24 H2SO4 = 8 Fe2(SO4)3 + 2 FeCl3 + 24 H2O
CH3OH + CUO = HCOH + CU + H2O =>
CH3OH + CUO = HCOH + CU + H2O
(NH4)2S(aq) + ZnCl2(aq) = NH4Cl + ZnS =>
(NH4)2S(aq) + ZnCl2(aq) = 2 NH4Cl + ZnS
NH4 + CH3CO2 = C2H7NO2 =>
NH4 + CH3CO2 = C2H7NO2
Pb(NO3)2 + Na2CO3 = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
Fe2O3 + Ca = CaO + Fe =>
Fe2O3 + 3 Ca = 3 CaO + 2 Fe
NaAlO2 + HCl + H2O = Al(OH)3 + NaCl =>
NaAlO2 + HCl + H2O = Al(OH)3 + NaCl
KMnO4 + NaNO2 + H2SO4 = MnSO4 + NaNO3 + K2SO4 + H2O =>
2 KMnO4 + 5 NaNO2 + 3 H2SO4 = 2 MnSO4 + 5 NaNO3 + K2SO4 + 3 H2O
HBr + HCl = BrCl + H2 =>
HBr + HCl = BrCl + H2
H2O + SiO2 = SiO2*H2O =>
H2O + SiO2 = SiO2*H2O
Cu + Br2 = CuBr2 =>
Cu + Br2 = CuBr2
CrO3 + CO2 = Cr(CO3)3 =>
CrO3 + 3 CO2 = Cr(CO3)3
NaHTeO3 + H2SO4 = TeO2 + Na2SO4 + H2O =>
2 NaHTeO3 + H2SO4 = 2 TeO2 + Na2SO4 + 2 H2O
Zn(OH)2 + H3PO4 = H2O + Zn3(PO4)2 =>
3 Zn(OH)2 + 2 H3PO4 = 6 H2O + Zn3(PO4)2
AlBr3 + K2SO4 = KBr + Al2(*SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(*SO4)3
S + O2 = SO =>
2 S + O2 = 2 SO
C2H6 + H2SO4 = C2H5SO3H + H2O =>
C2H6 + H2SO4 = C2H5SO3H + H2O
HCOOH + Pb(OH)2 = Pb(HCOO)2 + H2O =>
2 HCOOH + Pb(OH)2 = Pb(HCOO)2 + 2 H2O
Mn + AgCl = Ag + MnCl2 =>
Mn + 2 AgCl = 2 Ag + MnCl2
SC2O3(S) + SO3(l) = SC2(SO4)3(S) =>
SC2O3(S) + 3 SO3(l) = SC2(SO4)3(S)
Fe(NO3)3*9H2O + C6H8O7*H2O + Co(NO3)2*6H2O + Bi(NO3)3*5H2O = Co10Bi3Fe17O40 + NO2 + CO2 + H2O =>
153 Fe(NO3)3*9H2O + 40 C6H8O7*H2O + 90 Co(NO3)2*6H2O + 27 Bi(NO3)3*5H2O = 9 Co10Bi3Fe17O40 + 720 NO2 + 240 CO2 + 2252 H2O
CuS + C = Cu + CS2 =>
2 CuS + C = 2 Cu + CS2
NH3 + H2CO3 = (NH4)2CO3 =>
2 NH3 + H2CO3 = (NH4)2CO3
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
C3H6O + NaOH + I2 = NaI + H2O + CHI3 =>
C3H6O + NaOH + 5 I2 = NaI + 2 H2O + 3 CHI3
Li2O + CO2 = Li2CO3 =>
Li2O + CO2 = Li2CO3
Cl2O + NaOH = NaClO + H2O =>
Cl2O + 2 NaOH = 2 NaClO + H2O
C6H12O6 + C2H6O = C19H22O6 + H2O =>
14 C6H12O6 + 15 C2H6O = 6 C19H22O6 + 63 H2O
Cd + Sn2(SO3)4 = Sn + CdSO3 =>
4 Cd + Sn2(SO3)4 = 2 Sn + 4 CdSO3
(NH4)2CO3 + Zn(NO3)2 = NH4NO3 + ZnCO3 =>
(NH4)2CO3 + Zn(NO3)2 = 2 NH4NO3 + ZnCO3
Li + Mn(NO3)2 = LiNO3 + Mn =>
2 Li + Mn(NO3)2 = 2 LiNO3 + Mn
Ag(ClO3) + KCl = AgCl + K(ClO3) =>
Ag(ClO3) + KCl = AgCl + K(ClO3)
ClH4N + AgNO3 = NO3Cl + AgH4N =>
ClH4N + AgNO3 = NO3Cl + AgH4N
S + O2 = SO2 =>
S + O2 = SO2
NaH2(CO3) + O2 = Na2(CO3) + H2O + CO2 =>
4 NaH2(CO3) + O2 = 2 Na2(CO3) + 4 H2O + 2 CO2
copper + hydrochloricacid = copper(ii)chloride + hydrogen =>
Cu + 2 HCl = CuCl2 + H2
C9H20(l) + O2(g) = CO2 + H2O =>
C9H20(l) + 14 O2(g) = 9 CO2 + 10 H2O
CuOH + HNO = CuNO + H2O =>
CuOH + HNO = CuNO + H2O
C5H12(aq) + O2(g) = CO2(g) + H2O(g) =>
C5H12(aq) + 8 O2(g) = 5 CO2(g) + 6 H2O(g)
CH2O + Ag2O = Ag + CO2 + H2O =>
CH2O + 2 Ag2O = 4 Ag + CO2 + H2O
Mn(OH)2 + H2O2 + KOH = K2MnO4 + H2O =>
Mn(OH)2 + 2 H2O2 + 2 KOH = K2MnO4 + 4 H2O
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