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Al2O3 + 3 Hg = 2 Al + 3 HgO
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Al + H2So4 = Al2(So4)3 + H2 =>
2 Al + 3 H2So4 = Al2(So4)3 + 3 H2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + (NH4)2SO4 + CO + FeSO4 =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + 3(NH4)2SO4 + 6 CO + FeSO4
Na + HOH = NaOH + H2 =>
2 Na + 2 HOH = 2 NaOH + H2
CU(OH)2 = CUO + H2O =>
CU(OH)2 = CUO + H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
KIO3(aq) + AgNO3(aq) = KNO3(aq) + AgIO3(s) =>
KIO3(aq) + AgNO3(aq) = KNO3(aq) + AgIO3(s)
FES + HCl = FECl2 + H2S =>
FES + 2 HCl = FECl2 + H2S
PCl5 + H2O = POCl3 + HCl =>
PCl5 + H2O = POCl3 + 2 HCl
CuSO4 + Na2CO3 = CuCO3 + Na2SO4 =>
CuSO4 + Na2CO3 = CuCO3 + Na2SO4
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
FeCl2 + KOH = Fe(OH)2 + KCl =>
FeCl2 + 2 KOH = Fe(OH)2 + 2 KCl
H2SO4 + FeCl3 = HCl + Fe2(SO4)3 =>
3 H2SO4 + 2 FeCl3 = 6 HCl + Fe2(SO4)3
Na2SO3 + BaCl2 = NaCl + BaSO3 =>
Na2SO3 + BaCl2 = 2 NaCl + BaSO3
C3H8 + O2 = H2O + CO2 =>
C3H8 + 5 O2 = 4 H2O + 3 CO2
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
HNO2 + (NH2)2CO = N + H2O + CO2 =>
2 HNO2 + (NH2)2CO = 4 N + 3 H2O + CO2
Ni(H2O)6(NO3)2 + KNCS + PPh3 = Ni(NCS)2(PPh3)2 + K + NO3 + H2O =>
Ni(H2O)6(NO3)2 + 2 KNCS + 2 PPh3 = Ni(NCS)2(PPh3)2 + 2 K + 2 NO3 + 6 H2O
CH3CH2CH2COOH + Mg = (CH3CH2CH2COO)Mg + H2 =>
2 CH3CH2CH2COOH + 2 Mg = 2(CH3CH2CH2COO)Mg + H2
(CH3COO)2Pb + H2O = Pb(OH)2 + CH3COOH =>
(CH3COO)2Pb + 2 H2O = Pb(OH)2 + 2 CH3COOH
NiCl2 + H2S = NiS + HCl =>
NiCl2 + H2S = NiS + 2 HCl
Zn + CuCl2 = ZnCl + Cu =>
2 Zn + CuCl2 = 2 ZnCl + Cu
U3O8 + HNO3 = UO2(NO3)2 + NO2 + H2O =>
U3O8 + 8 HNO3 = 3 UO2(NO3)2 + 2 NO2 + 4 H2O
CAO + C = CAC2 + CO =>
CAO + 3 C = CAC2 + CO
FeO + C = Fe + CO3 =>
3 FeO + C = 3 Fe + CO3
NH3 + O2 = NO + H20 =>
20 NH3 + 10 O2 = 20 NO + 3 H20
NiCl2 + H2S = NiCl + HCl + S =>
2 NiCl2 + H2S = 2 NiCl + 2 HCl + S
MgCl + KOH = KCl + MgOH =>
MgCl + KOH = KCl + MgOH
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Cu + AGNo3 = Cu(No3)2 + AG =>
Cu + 2 AGNo3 = Cu(No3)2 + 2 AG
NH3 + CUO = N2 + CU + H2O =>
2 NH3 + 3 CUO = N2 + 3 CU + 3 H2O
Fe2O3 + C = Fe + CO3 =>
Fe2O3 + C = 2 Fe + CO3
H2SO4 + H2S = SO2 + H2O =>
3 H2SO4 + H2S = 4 SO2 + 4 H2O
CuCO3 + K4[Fe(CN)6] = Cu2[Fe(CN)6] + K2CO3 =>
2 CuCO3 + K4[Fe(CN)6] = Cu2[Fe(CN)6] + 2 K2CO3
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
C5H9O + O2 = CO2 + H2O =>
4 C5H9O + 27 O2 = 20 CO2 + 18 H2O
ZnBr2 + K3PO4 = Zn3(PO4)2 + KBr =>
3 ZnBr2 + 2 K3PO4 = Zn3(PO4)2 + 6 KBr
KBiO3 + FeS + H2SO4 = Fe(SO4)3 + K2SO4 + Bi2(SO4)3 + H2O =>
6 KBiO3 + FeS + 14 H2SO4 = Fe(SO4)3 + 3 K2SO4 + 3 Bi2(SO4)3 + 14 H2O
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
K2S + CuSO4 = CuS + K2SO4 =>
K2S + CuSO4 = CuS + K2SO4
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