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Cu(NO3)2 + Na2(CO3) = CuCO3 + 2 NaNO3
CuSO4 + KI + H2SO4 = I2 + CuS + K2SO4 + H2O =>
CuSO4 + 8 KI + 4 H2SO4 = 4 I2 + CuS + 4 K2SO4 + 4 H2O
FeI2 + HNO3 = Fe(NO3)3 + I2 + NO2 + H2O =>
FeI2 + 6 HNO3 = Fe(NO3)3 + I2 + 3 NO2 + 3 H2O
Mg(OH)2(s) = MgO(s) + H2O =>
Mg(OH)2(s) = MgO(s) + H2O
Fe2O5 + H2 = FeH5 + O2 =>
2 Fe2O5 + 10 H2 = 4 FeH5 + 5 O2
Co + Ba = CoBa =>
Co + Ba = CoBa
H + SO3 = H2SO3 =>
2 H + SO3 = H2SO3
Cu + HBr = CuBr + H2 =>
2 Cu + 2 HBr = 2 CuBr + H2
Fe + NO2 = Fe2O3 + N2 =>
8 Fe + 6 NO2 = 4 Fe2O3 + 3 N2
C6H5MgBr + H2O = C6H6 + MgOHBr =>
C6H5MgBr + H2O = C6H6 + MgOHBr
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb =>
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb
F + KI = FI + K =>
F + KI = FI + K
H4P2O7 + NaOH = Na2H2P2O7 + H2O =>
H4P2O7 + 2 NaOH = Na2H2P2O7 + 2 H2O
Cr(OH)3 + NaOH = Na3[Cr(OH)6] =>
Cr(OH)3 + 3 NaOH = Na3[Cr(OH)6]
Li + CUSO4 = Li2SO4 + CU =>
2 Li + CUSO4 = Li2SO4 + CU
C6H4(OH)2 + H2 = H2O + C6H12 =>
C6H4(OH)2 + 5 H2 = 2 H2O + C6H12
KNO2 = K2O + NO + O2 =>
4 KNO2 = 2 K2O + 4 NO + O2
Al2O3 + S = Al + SO3 =>
Al2O3 + S = 2 Al + SO3
M + Br2 = MBr2 =>
M + Br2 = MBr2
C14H6O2(OH)2 + Al(NO3)3 + CH3COONa = (C14H6O4)3Al2 + NaNO3 + CH3COOH =>
3 C14H6O2(OH)2 + 2 Al(NO3)3 + 6 CH3COONa = (C14H6O4)3Al2 + 6 NaNO3 + 6 CH3COOH
Ni(NO3)2 + Na2CrO4 = Ni(CrO4) + Na(NO3) =>
Ni(NO3)2 + Na2CrO4 = Ni(CrO4) + 2 Na(NO3)
Cu + NaOH = Na + CuOH =>
Cu + NaOH = Na + CuOH
CuSO4Fe = FeSO4 + Cu =>
CuSO4Fe = FeSO4 + Cu
Al + BaCl2 = AlCl3 + Ba =>
2 Al + 3 BaCl2 = 2 AlCl3 + 3 Ba
Cu + Zn(NO3)2 = Cu(NO3)2 + Zn =>
Cu + Zn(NO3)2 = Cu(NO3)2 + Zn
Fe + HBr = H2 + FeBr2 =>
Fe + 2 HBr = H2 + FeBr2
HONH2 + H2O = HONH3 + OH =>
HONH2 + H2O = HONH3 + OH
CH3COOH + Al(OH)3 = (CH3COO)3Al + H2O =>
3 CH3COOH + Al(OH)3 = (CH3COO)3Al + 3 H2O
Cu(NO3)2 + Na2Cr2O7 = CuCr2O7 + Na(NO3) =>
Cu(NO3)2 + Na2Cr2O7 = CuCr2O7 + 2 Na(NO3)
Cl2(g) + KBr(s) = KCl(s) + Br2(g) =>
Cl2(g) + 2 KBr(s) = 2 KCl(s) + Br2(g)
Zn + NO2 = ZnNO2 =>
Zn + NO2 = ZnNO2
HCHO2(aq) + NaOH(aq) = NaCHO2 + H2O(l) =>
HCHO2(aq) + NaOH(aq) = NaCHO2 + H2O(l)
S + NH3 = S4N4 + (NH4)2S =>
10 S + 16 NH3 = S4N4 + 6(NH4)2S
Mn + N2 = Mn3N5 =>
6 Mn + 5 N2 = 2 Mn3N5
La(NO3)3 + Ni(NO3)2 + C2H5NO2 = La3Ni2O7 + H2O + N2 + CO2 =>
54 La(NO3)3 + 36 Ni(NO3)2 + 128 C2H5NO2 = 18 La3Ni2O7 + 320 H2O + 181 N2 + 256 CO2
Li + CUSO4 = Li2SO4 + CU =>
2 Li + CUSO4 = Li2SO4 + CU
Na2Co3 + HF = Na2F + HCo3 =>
Na2Co3 + HF = Na2F + HCo3
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Li + CUSO4 = Li2SO4 + CU =>
2 Li + CUSO4 = Li2SO4 + CU
Fe(s) + Cu(No3)2(aq) = Fe(No3)2(aq) + Cu(s) =>
Fe(s) + Cu(No3)2(aq) = Fe(No3)2(aq) + Cu(s)
Na2B4O7 + H2SO4 = B2O3 + Na2SO4 + H2O =>
Na2B4O7 + H2SO4 = 2 B2O3 + Na2SO4 + H2O
Ag + HBr = AgBr + H2 =>
2 Ag + 2 HBr = 2 AgBr + H2
KClO4 + KCl + H2SO4 = Cl2 + K2SO4 + H2O =>
KClO4 + 7 KCl + 4 H2SO4 = 4 Cl2 + 4 K2SO4 + 4 H2O
Li + CUSO4 = Li2SO4 + CU =>
2 Li + CUSO4 = Li2SO4 + CU
Fe + NO2 = FeNO2 =>
Fe + NO2 = FeNO2
Br2 + H2S = HBr + S8 =>
8 Br2 + 8 H2S = 16 HBr + S8
CH3COOH + Na(HCO3) = Na(CH3COO) + H2O + CO2 =>
CH3COOH + Na(HCO3) = Na(CH3COO) + H2O + CO2
MgSiO3 + H2O = Mg3Si4O10(OH)2 + Mg3(Si2O5)(OH)4 =>
6 MgSiO3 + 3 H2O = Mg3Si4O10(OH)2 + Mg3(Si2O5)(OH)4
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Cl2(g) + I{-}(aq) = I2(aq) + Cl{-}(aq) =>
Cl2(g) + 2 I{-}(aq) = I2(aq) + 2 Cl{-}(aq)
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