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2 Fe(s) + 3 CuO(s) = Fe2O3(s) + 3 Cu(s)
B + C2 = B2C3 =>
4 B + 3 C2 = 2 B2C3
Pt + H2SO4 = PtSO4 + H2 =>
Pt + H2SO4 = PtSO4 + H2
Mn + Br2 = MnBr =>
2 Mn + Br2 = 2 MnBr
S2O3{2-} + I2 = S4O6{2-} + I{-} =>
2 S2O3{2-} + I2 = S4O6{2-} + 2 I{-}
C + F2 + Cl2 = CF2Cl2 =>
C + F2 + Cl2 = CF2Cl2
HCl + Zn = H2 + ZnCl2 =>
2 HCl + Zn = H2 + ZnCl2
C6H8O6 + MgCO3 = C6H7MgO6 + CO2 + H2O =>
21 C6H8O6 + 20 MgCO3 = 20 C6H7MgO6 + 26 CO2 + 14 H2O
Na + Ni(NO3)2 = Ni + Na(NO3)2 =>
Na + Ni(NO3)2 = Ni + Na(NO3)2
CuCl2 + CuSO4 = Cu2 + ClSO4 =>
2 CuCl2 + 4 CuSO4 = 3 Cu2 + 4 ClSO4
CH3NH3HSO4 + NaOH = CH3NH2 + NaHSO4 + H2O =>
CH3NH3HSO4 + NaOH = CH3NH2 + NaHSO4 + H2O
AgNO3(aq) + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3(aq) + CaCl2 = 2 AgCl + Ca(NO3)2
H2CO3(aq) + NH4OH(aq) = (NH4)2CO3(aq) + H2O(l) =>
H2CO3(aq) + 2 NH4OH(aq) = (NH4)2CO3(aq) + 2 H2O(l)
Cu2S + H2O = Cu2O + H2S =>
Cu2S + H2O = Cu2O + H2S
BaCO3(s) + Na2SO4(aq) = BaSO4(s) + Na2CO3(aq) =>
BaCO3(s) + Na2SO4(aq) = BaSO4(s) + Na2CO3(aq)
I2O = I + O2 =>
2 I2O = 4 I + O2
XePtF6 + H2O = Xe + O2 + HF + PtO =>
XePtF6 + 3 H2O = Xe + O2 + 6 HF + PtO
Al2(SO4)3 + KCN = K2SO4 + Al(CN)3 =>
Al2(SO4)3 + 6 KCN = 3 K2SO4 + 2 Al(CN)3
Cu2S + H2O = Cu2O + H2S =>
Cu2S + H2O = Cu2O + H2S
Ni(NO3)2 + Na = NaNO3 + Ni =>
Ni(NO3)2 + 2 Na = 2 NaNO3 + Ni
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
KNO3 + Ba(C2H3O2)2 = KC2H3O2 + Ba(NO3)2 =>
2 KNO3 + Ba(C2H3O2)2 = 2 KC2H3O2 + Ba(NO3)2
AgNO3(aq) + CaCl2 = AgCl(s) + Ca(NO3)2(aq) =>
2 AgNO3(aq) + CaCl2 = 2 AgCl(s) + Ca(NO3)2(aq)
Ca(CO3) + H2(SO4) = Ca(SO4) + H2(CO3) =>
Ca(CO3) + H2(SO4) = Ca(SO4) + H2(CO3)
C6H8O7 + Mg = H2 + MgC6O7 =>
C6H8O7 + Mg = 4 H2 + MgC6O7
Cu2S + H2O = CuOH + H2S =>
Cu2S + 2 H2O = 2 CuOH + H2S
GaOH + HCl = GaCl + H2O =>
GaOH + HCl = GaCl + H2O
Cu2S + H2O = Cu + SO4 + H =>
Cu2S + 4 H2O = 2 Cu + SO4 + 8 H
Cl2 + FeBr3 = FeCl3 + Br2 =>
3 Cl2 + 2 FeBr3 = 2 FeCl3 + 3 Br2
BO3 + Mg = MgO2 + B =>
2 BO3 + 3 Mg = 3 MgO2 + 2 B
AgNO3 + NaC1 = AgC1 + NaNO3 =>
AgNO3 + NaC1 = AgC1 + NaNO3
Na2Br + H2SO4 = Na2SO4 + H2Br =>
Na2Br + H2SO4 = Na2SO4 + H2Br
Cu2S + H2O = Cu + SO4 + H =>
Cu2S + 4 H2O = 2 Cu + SO4 + 8 H
I2O = I2 + O2 =>
2 I2O = 2 I2 + O2
Ga + H2 = GaH =>
2 Ga + H2 = 2 GaH
S2O3{2-} + I2 = S4O6{2-} + I{-} =>
2 S2O3{2-} + I2 = S4O6{2-} + 2 I{-}
AgNO3(aq) + CaCl2 = AgCl(s) + Ca(NO3)2 =>
2 AgNO3(aq) + CaCl2 = 2 AgCl(s) + Ca(NO3)2
K2SO3 + H2SO4 + KMnO4 = K2SO4 + MnSO4 + H2O =>
5 K2SO3 + 3 H2SO4 + 2 KMnO4 = 6 K2SO4 + 2 MnSO4 + 3 H2O
Cu2S + H2O = Cu + SO4 + H =>
Cu2S + 4 H2O = 2 Cu + SO4 + 8 H
FePO4 + Ba(OH)2 = BaPO4 + Fe(OH)2 =>
FePO4 + Ba(OH)2 = BaPO4 + Fe(OH)2
Mn2O7 + C2H5OH = CO2 + H2O + MnO =>
6 Mn2O7 + 5 C2H5OH = 10 CO2 + 15 H2O + 12 MnO
K3PO4 + HCl = KCl + H3PO4 =>
K3PO4 + 3 HCl = 3 KCl + H3PO4
H2CO3(aq) + NH4OH(aq) = (NH4)2CO3(aq) + H2O(l) =>
H2CO3(aq) + 2 NH4OH(aq) = (NH4)2CO3(aq) + 2 H2O(l)
Cu2S + H2O = CuOH + H2S =>
Cu2S + 2 H2O = 2 CuOH + H2S
MnPO4 + Li2CrO4 = Mn2(CrO4)3 + Li3PO4 =>
2 MnPO4 + 3 Li2CrO4 = Mn2(CrO4)3 + 2 Li3PO4
KNO3 + Al + NaOH + H2O = K[Al(OH)4] + NaNO3 + NH3 =>
8 KNO3 + 8 Al + 5 NaOH + 18 H2O = 8 K[Al(OH)4] + 5 NaNO3 + 3 NH3
Ga + H2 = GaH2 =>
Ga + H2 = GaH2
B + Mg = BMg =>
B + Mg = BMg
C5H8O4 + H2O = CH4 + CO2 =>
2 C5H8O4 + 2 H2O = 5 CH4 + 5 CO2
CH4 + H2O + N2 = NH3 + CO2 =>
3 CH4 + 6 H2O + 4 N2 = 8 NH3 + 3 CO2
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