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CaCO3 + H2O + CO2 = Ca(HCO3)2
CuO = Cu + O2 =>
2 CuO = 2 Cu + O2
CuO + C = Cu + CO2 =>
2 CuO + C = 2 Cu + CO2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
N2H3CH3 + N2O4 = H2O + N2 + CO2 =>
4 N2H3CH3 + 5 N2O4 = 12 H2O + 9 N2 + 4 CO2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
N2H3CH3 + N2O4 = H2O + NO + CO2 =>
2 N2H3CH3 + 7 N2O4 = 6 H2O + 18 NO + 2 CO2
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
KMnO4 + K2SO3 + H2SO4 = MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 K2SO3 + 3 H2SO4 = 2 MnSO4 + 6 K2SO4 + 3 H2O
H2 + O2 = H2O2 =>
H2 + O2 = H2O2
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
PbI2 = Pb + I =>
PbI2 = Pb + 2 I
Ti + N2 = Ti3N4 =>
3 Ti + 2 N2 = Ti3N4
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
S + O2 = SO2 =>
S + O2 = SO2
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
FeSO4 + KMnO4 = Fe(MnO4)2 + K2SO4 =>
FeSO4 + 2 KMnO4 = Fe(MnO4)2 + K2SO4
O2 = O3 =>
3 O2 = 2 O3
Fe + CH4 = Fe3C + H2 =>
3 Fe + CH4 = Fe3C + 2 H2
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
Fe + CH4 = Fe3C + H2 =>
3 Fe + CH4 = Fe3C + 2 H2
BaSO4 + NaCl = BaCl2 + Na2SO4 =>
BaSO4 + 2 NaCl = BaCl2 + Na2SO4
Mg + Cu2O = MgO + Cu =>
Mg + Cu2O = MgO + 2 Cu
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
Ba(NO3)2 + NaOH = Ba(OH)2 + NaNO3 =>
Ba(NO3)2 + 2 NaOH = Ba(OH)2 + 2 NaNO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
Cl2 + KBr = KCl + Br =>
Cl2 + 2 KBr = 2 KCl + 2 Br
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
C6H5CHCl2 + K2Cr2O7 + H2SO4 = C6H5COOH + K2SO4 + Cr2(SO4)3 + HCl + H2O =>
3 C6H5CHCl2 + K2Cr2O7 + 4 H2SO4 = 3 C6H5COOH + K2SO4 + Cr2(SO4)3 + 6 HCl + H2O
Fe + HNO3 = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3 = Fe(NO3)3 + NO + 2 H2O
H2O + CN = HCN + OH =>
H2O + CN = HCN + OH
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
IO3{-} + N2H4 + Cl{-} + H{+} = N2 + H2O + ICl2 =>
4 IO3{-} + 3 N2H4 + 8 Cl{-} + 12 H{+} = 3 N2 + 12 H2O + 4 ICl2
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
Fe + C = FeC =>
Fe + C = FeC
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Cr2O7{2-} + OH{-} = CrO4{2-} + H2O =>
Cr2O7{2-} + 2 OH{-} = 2 CrO4{2-} + H2O
MgCl2 + H2SO4 = MgSO4 + HCl =>
MgCl2 + H2SO4 = MgSO4 + 2 HCl
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