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2 Zn + 2 HCl = 2 ZnCl + H2
HBr + O2 = H2O + Br2 =>
4 HBr + O2 = 2 H2O + 2 Br2
NaOH + CaO = Ca(OH)2 + Na2O =>
2 NaOH + CaO = Ca(OH)2 + Na2O
HNO3(aq) + Ca(OH)2(aq) = Ca(NO3)2(aq) + H2O(l) =>
2 HNO3(aq) + Ca(OH)2(aq) = Ca(NO3)2(aq) + 2 H2O(l)
CH3C(CH3)C(CH3)CH3 + KMnO4 + H2O = (CH3)2C(OH)C(OH)(CH3)2 + MnO2 + KOH =>
3 CH3C(CH3)C(CH3)CH3 + 2 KMnO4 + 4 H2O = 3(CH3)2C(OH)C(OH)(CH3)2 + 2 MnO2 + 2 KOH
Cu + HCl = CuCl2 + H2 =>
Cu + 2 HCl = CuCl2 + H2
Fe3O4 + CO = Fe + CO2 =>
Fe3O4 + 4 CO = 3 Fe + 4 CO2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
RbVO3 + V2O3 + V2O5 = Rb2V3O8 =>
8 RbVO3 + V2O3 + V2O5 = 4 Rb2V3O8
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
CrCl3 + H2O2 + KOH = K2CrO4 + KCl + H2O =>
2 CrCl3 + 3 H2O2 + 10 KOH = 2 K2CrO4 + 6 KCl + 8 H2O
Na2HPO4 + NaH2PO4 = Na2H2PO4 + NaHPO4 =>
Na2HPO4 + NaH2PO4 = Na2H2PO4 + NaHPO4
C3H6 + H2O = C3H7OH =>
C3H6 + H2O = C3H7OH
BrF3 = Br2 + F3 =>
2 BrF3 = Br2 + 2 F3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ca(OH)2(aq) + HNO3(aq) = H2O(l) + Ca(NO3)2(aq) =>
Ca(OH)2(aq) + 2 HNO3(aq) = 2 H2O(l) + Ca(NO3)2(aq)
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
H2CO3 = H2O + CO2 =>
H2CO3 = H2O + CO2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
NH4Cl + CaOH = NH3 + H2O + CaCl =>
NH4Cl + CaOH = NH3 + H2O + CaCl
Al + CuSO4 = Cu + Al2(SO4)3 =>
2 Al + 3 CuSO4 = 3 Cu + Al2(SO4)3
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
CH3COOH + Ba(OH)2 = H2O + (CH3COO)2Ba =>
2 CH3COOH + Ba(OH)2 = 2 H2O + (CH3COO)2Ba
C2H2(acetylene) + KMnO4 = H2CCOOK + MnO2 =>
C2H2(acetylene) + KMnO4 = H2CCOOK + MnO2
Na2SO3 + BaCl2 = NaCl + BaSO3 =>
Na2SO3 + BaCl2 = 2 NaCl + BaSO3
Ca + CO3 = CaO + CO2 =>
Ca + CO3 = CaO + CO2
Sb2S3 + O2 = Sb2O3 + SO2 =>
2 Sb2S3 + 9 O2 = 2 Sb2O3 + 6 SO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cr2O3 + C = Cr + CO2 =>
2 Cr2O3 + 3 C = 4 Cr + 3 CO2
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
MgCO3(heat) = MgO(s) + CO2(g) =>
MgCO3(heat) = MgO(s) + CO2(g)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
FEO = FE + O2 =>
2 FEO = 2 FE + O2
KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + O =>
2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 3 H2O + 5 O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Ca(OH)2 + HF = CaF2 + H2O =>
Ca(OH)2 + 2 HF = CaF2 + 2 H2O
B2S3 + H2O = H3BO3 + H2S =>
B2S3 + 6 H2O = 2 H3BO3 + 3 H2S
PbCO3(s) = PbO(s) + CO2(g) =>
PbCO3(s) = PbO(s) + CO2(g)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
C + O2 = CO2 =>
C + O2 = CO2
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