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2 CuCl2 + 2 Na2S2O3 + 2 H2O = Cu2S + S + 4 HCl + 2 Na2SO4
H2O2(heat) = H2 + O2 =>
H2O2(heat) = H2 + O2
Sn + HNO3 = SnN2O6 + NH4NO3 + H2O =>
4 Sn + 10 HNO3 = 4 SnN2O6 + NH4NO3 + 3 H2O
CuSO4 + NH3 = CuNH3 + SO4 =>
CuSO4 + NH3 = CuNH3 + SO4
Br + S = Br2S =>
2 Br + S = Br2S
ClO2 + NaOH = NaClO2 + NaClO3 + H2O =>
2 ClO2 + 2 NaOH = NaClO2 + NaClO3 + H2O
Zn + FeCO3 = ZnCO3 + Fe =>
Zn + FeCO3 = ZnCO3 + Fe
C2H5Cl + O2 = CO + H2O + Cl2 =>
4 C2H5Cl + 9 O2 = 8 CO + 10 H2O + 2 Cl2
Cl2H2O = HCl + HClO =>
Cl2H2O = HCl + HClO
NH3(aq) + H2SO4(aq) = H2(g) + NSO4(aq) =>
2 NH3(aq) + 2 H2SO4(aq) = 5 H2(g) + 2 NSO4(aq)
C6H12O + H3PO4 = C6H12 + H2O + H2PO4 =>
C6H12O + 2 H3PO4 = C6H12 + H2O + 2 H2PO4
SiO2{-} + C = Si{-}C{+2} + CO =>
SiO2{-} + 2 C = Si{-}C{+2} + 2 CO
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
FeSO4 + Na2HPO4 = FeHPO4 + Na2SO4 =>
FeSO4 + Na2HPO4 = FeHPO4 + Na2SO4
Al(OH)3 + P2O5 = Al4(P2O7)3 + H2O =>
4 Al(OH)3 + 3 P2O5 = Al4(P2O7)3 + 6 H2O
N4NO2 + H2 = N2 + H2O =>
2 N4NO2 + 4 H2 = 5 N2 + 4 H2O
Cl2O = Cl2(g) + ClO2(g) =>
4 Cl2O = 3 Cl2(g) + 2 ClO2(g)
KIO3 + KI = K2O + I2 =>
KIO3 + 5 KI = 3 K2O + 3 I2
Cl2 + Na = NaCl = l2 =>
Cl2 + 2 Na = 2 NaCl
FeS + NO3{-} + H{+} = Fe{3+} + NO + H2SO4 + H2O =>
FeS + 3 NO3{-} + 6 H{+} = Fe{3+} + 3 NO + H2SO4 + 2 H2O
Bi + H2SO4 = Bi2(SO4)3 + SO + H2O =>
4 Bi + 9 H2SO4 = 2 Bi2(SO4)3 + 3 SO + 9 H2O
Cu(H2O)6{2+} + NaOH = Cu(OH)2 + Na{+} + H2O =>
Cu(H2O)6{2+} + 2 NaOH = Cu(OH)2 + 2 Na{+} + 6 H2O
Br02 + NaOH = NaBr + NaBrO3 + H2O =>
3 Br02 + 6 NaOH = 5 NaBr + NaBrO3 + 3 H2O
CuO + H2O = Cu(OH)2 =>
CuO + H2O = Cu(OH)2
MgO + N2O3 = Mg + NO3 =>
3 MgO + N2O3 = 3 Mg + 2 NO3
Al + CuCrO4 = Al2(CrO4)3 + Cu =>
2 Al + 3 CuCrO4 = Al2(CrO4)3 + 3 Cu
Cr(OH)3 + H3O{+} = H2O + Cr{+3} =>
Cr(OH)3 + 3 H3O{+} = 6 H2O + Cr{+3}
Zn + O2 = Zn2{+} + O{2-} =>
8 Zn + O2 = 4 Zn2{+} + 2 O{2-}
Re + S = ReS2 =>
Re + 2 S = ReS2
K2CO3 + HI = KI + H2O + CO2 =>
K2CO3 + 2 HI = 2 KI + H2O + CO2
NaBO2*H2O + H2SO4 = H3BO3 + Na2SO4 =>
2 NaBO2*H2O + H2SO4 = 2 H3BO3 + Na2SO4
Ga + I2 = GaI3 =>
2 Ga + 3 I2 = 2 GaI3
(MgOH)2SO4 + HCl = H2SO4 + MgCl2 + H2O =>
(MgOH)2SO4 + 4 HCl = H2SO4 + 2 MgCl2 + 2 H2O
K + O3 = KO2 =>
3 K + 2 O3 = 3 KO2
Ca(s) + O2(g) = Ca2O =>
4 Ca(s) + O2(g) = 2 Ca2O
Na2S2O3 + J2 = Na2S4O6 + NaJ =>
2 Na2S2O3 + J2 = Na2S4O6 + 2 NaJ
NaHS + O2 = Na2O + H2O + SO2 =>
2 NaHS + 3 O2 = Na2O + H2O + 2 SO2
C5H10O5 = C2H6O + CO2 =>
3 C5H10O5 = 5 C2H6O + 5 CO2
Ca(OH)2 + HCl(l) = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl(l) = CaCl2 + 2 H2O
Li2 + Br2 = Li2Br2 =>
Li2 + Br2 = Li2Br2
Ni + H3PO4 = Ni3(PO4)2 + H2 =>
3 Ni + 2 H3PO4 = Ni3(PO4)2 + 3 H2
MgI2 + Br = MgBr2 + I2 =>
MgI2 + 2 Br = MgBr2 + I2
Cr(s) + Fe{2+}(aq) = Cr{3+}(aq) + Fe(s) =>
2 Cr(s) + 3 Fe{2+}(aq) = 2 Cr{3+}(aq) + 3 Fe(s)
Sr + NH4OH = Sr(OH)2 + NH4 =>
Sr + 2 NH4OH = Sr(OH)2 + 2 NH4
NH4 + H2O2 = NO3 + H2O =>
NH4 + 5 H2O2 = NO3 + 7 H2O
Na3PO4 + Pb(CH3CO2)2 = NaCH3CO2 + Pb3(PO4)2 =>
2 Na3PO4 + 3 Pb(CH3CO2)2 = 6 NaCH3CO2 + Pb3(PO4)2
C3H7NO2S + O2 = CO2 + H2O + NH3 + H2S =>
2 C3H7NO2S + 5 O2 = 6 CO2 + 2 H2O + 2 NH3 + 2 H2S
Pb(NO3)2 + IK = PbI2 + K(NO3) =>
Pb(NO3)2 + 2 IK = PbI2 + 2 K(NO3)
CaCl2 + K2CO3 = KCl + Ca(CO3) =>
CaCl2 + K2CO3 = 2 KCl + Ca(CO3)
K3[Al(OH)6] + Al(OH)3 = K3[Al(OH)3] + Al(OH)6 =>
K3[Al(OH)6] + Al(OH)3 = K3[Al(OH)3] + Al(OH)6
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