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Cu2As2O7 + 10 Zn + 10 H2SO4 = 2 Cu + 2 AsH3 + 10 ZnSO4 + 7 H2O
Cr(OH)3 + H3AsO4 = Cr(H2AsO4)3 + H2O =>
Cr(OH)3 + 3 H3AsO4 = Cr(H2AsO4)3 + 3 H2O
Ba(NO3)2 + Na2(CrO4) = Ba2(CrO4)2 + Na(NO3) =>
2 Ba(NO3)2 + 2 Na2(CrO4) = Ba2(CrO4)2 + 4 Na(NO3)
FeCl3(aq) + NH3(aq) + H2O(l) = Fe(OH)3(s) + NH4Cl(aq) =>
FeCl3(aq) + 3 NH3(aq) + 3 H2O(l) = Fe(OH)3(s) + 3 NH4Cl(aq)
CdO + KOH = K2CdO2 + H2O =>
CdO + 2 KOH = K2CdO2 + H2O
Fe + HN3 = Fe(N3)3 + NH3 =>
8 Fe + 27 HN3 = 8 Fe(N3)3 + 9 NH3
Mg + Mn = MgMn =>
Mg + Mn = MgMn
NaOH + KPH = H2O + KPNa =>
NaOH + KPH = H2O + KPNa
NaOH + Pb(No3)2(ac) = NaNo3(ac) + Pb(OH)2(s) =>
2 NaOH + Pb(No3)2(ac) = 2 NaNo3(ac) + Pb(OH)2(s)
NaNO3(s) + H2SO4(l) = Na2SO4(s) + HNO3 =>
2 NaNO3(s) + H2SO4(l) = Na2SO4(s) + 2 HNO3
C2H3O2Na + O2 = CO2 + H2O + Na2CO3 =>
2 C2H3O2Na + 4 O2 = 3 CO2 + 3 H2O + Na2CO3
CUSO4*5H2O + Zn = ZnSO4 + H2O + CU =>
CUSO4*5H2O + Zn = ZnSO4 + 5 H2O + CU
Cu + NH3 + O2 + H2O = Cu(NH3)4(OH)2 =>
2 Cu + 8 NH3 + O2 + 2 H2O = 2 Cu(NH3)4(OH)2
HBr + Cl2 = Br2 + HCl =>
2 HBr + Cl2 = Br2 + 2 HCl
Pb + HOH = Pb(OH)2 + H2 =>
Pb + 2 HOH = Pb(OH)2 + H2
acetylene + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
AgNO3 + Cu(SO4) = Ag(SO4) + Cu(NO3) =>
AgNO3 + Cu(SO4) = Ag(SO4) + Cu(NO3)
O2 + Ge2H4 = GeO2 + H2O =>
3 O2 + Ge2H4 = 2 GeO2 + 2 H2O
Al(OH)3(s) + HNO3(aq) = Al(NO3)3 + H2O =>
Al(OH)3(s) + 3 HNO3(aq) = Al(NO3)3 + 3 H2O
Cr(NO3)3 + PbO2 + NaOH = Na2CrO4 + Na2[Pb(OH)4] + NaNO3 + H2O =>
2 Cr(NO3)3 + 3 PbO2 + 16 NaOH = 2 Na2CrO4 + 3 Na2[Pb(OH)4] + 6 NaNO3 + 2 H2O
Fr(s) + O2(g) = FrO2(s) =>
Fr(s) + O2(g) = FrO2(s)
Ga4C3 + O2 = Ga2O3 + C =>
Ga4C3 + 3 O2 = 2 Ga2O3 + 3 C
Cl2 + HOH = HCl + HClO3 =>
3 Cl2 + 3 HOH = 5 HCl + HClO3
C7H5O2Na + HCl = C7H5O2H + NaCl =>
C7H5O2Na + HCl = C7H5O2H + NaCl
Cu + K4[Fe(CN)6] = Cu[Fe(CN)6]2 + K =>
Cu + 2 K4[Fe(CN)6] = Cu[Fe(CN)6]2 + 8 K
H2CO3 + Be(OH)2 = H2O + Be(CO3) =>
H2CO3 + Be(OH)2 = 2 H2O + Be(CO3)
KHC2O4 + NaOH = H2O + Na2C2O4 + KOH =>
KHC2O4 + 2 NaOH = H2O + Na2C2O4 + KOH
Fe(NO3)2 + Na2(CO3) = Fe(CO3) + Na2(NO3)2 =>
Fe(NO3)2 + Na2(CO3) = Fe(CO3) + Na2(NO3)2
Cs2O + CO2 = Cs2CO3 =>
Cs2O + CO2 = Cs2CO3
H2SO3 + KHCO3 = H2CO3 + K2SO3 =>
H2SO3 + 2 KHCO3 = 2 H2CO3 + K2SO3
MgCl2 + H2CO3 = MgCO3 + HCl =>
MgCl2 + H2CO3 = MgCO3 + 2 HCl
Br2 + NH4Cl = NH4Br + Cl2 =>
Br2 + 2 NH4Cl = 2 NH4Br + Cl2
H2SiO3 + NH4OH = (NH4)2SiO3 + H2O =>
H2SiO3 + 2 NH4OH = (NH4)2SiO3 + 2 H2O
C2H5NH2 + H2O = C2H5NH3{+} + OH{-} =>
C2H5NH2 + H2O = C2H5NH3{+} + OH{-}
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
V + Cl2 = VCl =>
2 V + Cl2 = 2 VCl
Ba(OH)2 + H2SiO3 = Ba(HSiO3)2 + H2O =>
Ba(OH)2 + 2 H2SiO3 = Ba(HSiO3)2 + 2 H2O
C6H8O6 + I2 + H2O = C6H6O6 + I{-} + H3O{+} =>
C6H8O6 + I2 + 2 H2O = C6H6O6 + 2 I{-} + 2 H3O{+}
MnO2 + Pb2O4 + HNO3 = HMnO4 + Pb(NO3)2 + H2O =>
4 MnO2 + 3 Pb2O4 + 12 HNO3 = 4 HMnO4 + 6 Pb(NO3)2 + 4 H2O
Na2CO3 + NaHSO3 = Na2SO3 + H2CO3 =>
Na2CO3 + 2 NaHSO3 = 2 Na2SO3 + H2CO3
NaBO3 + FeS + NaOH + H2O = Fe(OH)3 + NaBO2 + Na2SO4 =>
9 NaBO3 + 2 FeS + 4 NaOH + H2O = 2 Fe(OH)3 + 9 NaBO2 + 2 Na2SO4
NaOH(s) + H2O(l) = Na(OH)2(aq) + H2(g) =>
2 NaOH(s) + 2 H2O(l) = 2 Na(OH)2(aq) + H2(g)
Ca(H2PO4)2 + NaHCO3 = CO2 + H2O + CaHPO4 + Na2HPO4 =>
Ca(H2PO4)2 + 2 NaHCO3 = 2 CO2 + 2 H2O + CaHPO4 + Na2HPO4
KBr + KI = BrI + K =>
KBr + KI = BrI + 2 K
H2O2(g) = H2O(l) + O2(g) =>
2 H2O2(g) = 2 H2O(l) + O2(g)
C8H7O2COOH + NaOH = C8H7O2COONa + H2O =>
C8H7O2COOH + NaOH = C8H7O2COONa + H2O
Hg(NO3)2(aq) + HCl(aq) = HgCl2(s) + H(NO3)(aq) =>
Hg(NO3)2(aq) + 2 HCl(aq) = HgCl2(s) + 2 H(NO3)(aq)
Cs2CO3 + H3PO4 = Cs3PO4 + H2CO3 =>
3 Cs2CO3 + 2 H3PO4 = 2 Cs3PO4 + 3 H2CO3
I2 + OCl = IO + Cl =>
I2 + 2 OCl = 2 IO + 2 Cl
Ni2O3 + Fe = Ni + FeO =>
Ni2O3 + 3 Fe = 2 Ni + 3 FeO
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