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FeCO3(s) + H2CO3(aq) = Fe(HCO3)2(aq)
Fe + Cu(NO3)2 = Fe(NO3)2 + Cu =>
Fe + Cu(NO3)2 = Fe(NO3)2 + Cu
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
SCl2 + NaF = SF4 + S2Cl2 + NaCl =>
3 SCl2 + 4 NaF = SF4 + S2Cl2 + 4 NaCl
Fe2O3 + SO2 = FeS + O2 =>
2 Fe2O3 + 4 SO2 = 4 FeS + 7 O2
Cr + Fe(NO3)2 = Fe + Cr(NO3)3 =>
2 Cr + 3 Fe(NO3)2 = 3 Fe + 2 Cr(NO3)3
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
K + HCl = KCl + H2 =>
2 K + 2 HCl = 2 KCl + H2
HBr = H + Br =>
HBr = H + Br
CH3CH2CH2COOH + Na2CO3 = CH3CH2CH2CHOONa + H20 + CO2 =>
65 CH3CH2CH2COOH + 30 Na2CO3 = 60 CH3CH2CH2CHOONa + 2 H20 + 50 CO2
HBr = H + Br =>
HBr = H + Br
La2S3 + O2 = La2O3 + SO2 =>
2 La2S3 + 9 O2 = 2 La2O3 + 6 SO2
Na2CO3 + Ca(OH)2 = NaOH + CaCO3 =>
Na2CO3 + Ca(OH)2 = 2 NaOH + CaCO3
HBr = H2 + Br2 =>
2 HBr = H2 + Br2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
HBr = H2 + Br =>
2 HBr = H2 + 2 Br
Mg3N2 + H2SO4 = MgSO4 + (NH4)2SO4 =>
Mg3N2 + 4 H2SO4 = 3 MgSO4 + (NH4)2SO4
Sr + O2 = SrO =>
2 Sr + O2 = 2 SrO
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
Zn + H2SO4 = ZnSO4 + H2S + H2O =>
4 Zn + 5 H2SO4 = 4 ZnSO4 + H2S + 4 H2O
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
C + O2 = CO2 =>
C + O2 = CO2
C6H5OH + O2 = CO2 + H2O =>
C6H5OH + 7 O2 = 6 CO2 + 3 H2O
CH3CH2CH2COOH + Na2CO3 = CH3CH2CH2CHOONa + H2O + CO2 =>
21 CH3CH2CH2COOH + 10 Na2CO3 = 20 CH3CH2CH2CHOONa + 4 H2O + 14 CO2
Al + AgNO3 = Al(NO3)3 + Ag =>
Al + 3 AgNO3 = Al(NO3)3 + 3 Ag
SO2 + Li2Se = SSe2 + Li2O =>
SO2 + 2 Li2Se = SSe2 + 2 Li2O
Fe2O3 + SO3 = Fe2(SO4)3 =>
Fe2O3 + 3 SO3 = Fe2(SO4)3
MgO + H2SO4 = MgSO4 + H2O =>
MgO + H2SO4 = MgSO4 + H2O
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
CO + H2 = C3H8 + H2O =>
3 CO + 7 H2 = C3H8 + 3 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
C + O2 = CO2 =>
C + O2 = CO2
C6H4Cl2 + O2 = CO2 + H2O + Cl2 =>
C6H4Cl2 + 7 O2 = 6 CO2 + 2 H2O + Cl2
Zn + NaOH + H2O = Na2Zn(OH)4 + H2 =>
Zn + 2 NaOH + 2 H2O = Na2Zn(OH)4 + H2
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Mg + SO4 = MgSO4 =>
Mg + SO4 = MgSO4
(CH3(CH2)6CH3) + O2 = CO2 + H2O =>
2(CH3(CH2)6CH3) + 25 O2 = 16 CO2 + 18 H2O
Al2O3 + Fe = Fe3O4 + Al =>
4 Al2O3 + 9 Fe = 3 Fe3O4 + 8 Al
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C + O2 = CO2 =>
C + O2 = CO2
KOH + H3PO4 = KH2PO4 + H2O =>
KOH + H3PO4 = KH2PO4 + H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
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