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CaCO3 = CaO + CO2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
Na + H2O = H2 + Na2O =>
2 Na + H2O = H2 + Na2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
C + Fe2O3 = Fe + CO =>
3 C + Fe2O3 = 2 Fe + 3 CO
CaCO3 + SO2 + O2 = CaSO4 + CO2 =>
2 CaCO3 + 2 SO2 + O2 = 2 CaSO4 + 2 CO2
NaCl(s)AgNO3(an) = AgCl(s) + NaNO3(aq) =>
NaCl(s)AgNO3(an) = AgCl(s) + NaNO3(aq)
Pb + KNO3 = Pb(NO3)2 + K =>
Pb + 2 KNO3 = Pb(NO3)2 + 2 K
H2SO4 + Ca(OH)2 = CaSO4 + H2O =>
H2SO4 + Ca(OH)2 = CaSO4 + 2 H2O
Cu(No3)2 + KOH = Cu(OH)2 + KNo3 =>
Cu(No3)2 + 2 KOH = Cu(OH)2 + 2 KNo3
As2O3 + Zn + HNO3 = AsH3 + Zn(NO3)2 + H2O =>
As2O3 + 6 Zn + 12 HNO3 = 2 AsH3 + 6 Zn(NO3)2 + 3 H2O
Ca(OH)2 + HI = CaI2 + H2O =>
Ca(OH)2 + 2 HI = CaI2 + 2 H2O
Cu(No3)2 + KOH = Cu(OH)2 + KNo3 =>
Cu(No3)2 + 2 KOH = Cu(OH)2 + 2 KNo3
C2H3N + O2 = CO2 + H2O + NO =>
4 C2H3N + 13 O2 = 8 CO2 + 6 H2O + 4 NO
HCl + NAOH = H(OH) + NACl =>
HCl + NAOH = H(OH) + NACl
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
NaCl(s)AgNO3(aq) = AgCl(s) + NaNO3(aq) =>
NaCl(s)AgNO3(aq) = AgCl(s) + NaNO3(aq)
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
CH3CH2COH + Cu(OH)2 = CH3CH2COOH + Cu2O + H2O =>
CH3CH2COH + 2 Cu(OH)2 = CH3CH2COOH + Cu2O + 2 H2O
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
CH3CH2CHO + H2 = CH3CH2CH2OH =>
CH3CH2CHO + H2 = CH3CH2CH2OH
Hg2O + O2 = HgO =>
2 Hg2O + O2 = 4 HgO
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
HNO3 + Fe = Fe(NO3)2 + NO + H2O =>
8 HNO3 + 3 Fe = 3 Fe(NO3)2 + 2 NO + 4 H2O
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
HBr + Al(OH)3 = H2O + AlBr3 =>
3 HBr + Al(OH)3 = 3 H2O + AlBr3
C6H5CH3 + KMnO4 + H2SO4 = C6H5COOH + MnSO4 + K2SO4 + H2O =>
5 C6H5CH3 + 6 KMnO4 + 9 H2SO4 = 5 C6H5COOH + 6 MnSO4 + 3 K2SO4 + 14 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CH3CH2OH + CuO = CH3CHO + H2O + Cu =>
CH3CH2OH + CuO = CH3CHO + H2O + Cu
C4H8 + CuO = C4H5O + H2O + Cu =>
2 C4H8 + 5 CuO = 2 C4H5O + 3 H2O + 5 Cu
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
HNO3 + NA = NANO3 + NH4NO3 + H2O =>
10 HNO3 + 8 NA = 8 NANO3 + NH4NO3 + 3 H2O
Cu{+2} + Cl{-} = CuCl2 =>
Cu{+2} + 2 Cl{-} = CuCl2
CaC2 + H2O = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O = Ca(OH)2 + C2H2
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
FeBr3 + (NH4)2S = Fe2S3 + NH4Br =>
2 FeBr3 + 3(NH4)2S = Fe2S3 + 6 NH4Br
SnCl2 + HNO3 + HCl = SnCl4 + N2O + H2O =>
4 SnCl2 + 2 HNO3 + 8 HCl = 4 SnCl4 + N2O + 5 H2O
C4H10O + O2 = CO2 + H2O =>
C4H10O + 6 O2 = 4 CO2 + 5 H2O
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
CH3CH2Br + NaHS = CH3CH2SH + NaBr =>
CH3CH2Br + NaHS = CH3CH2SH + NaBr
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
HNO3 + Cu = Cu(NO3)2 + NO2 + H2O =>
4 HNO3 + Cu = Cu(NO3)2 + 2 NO2 + 2 H2O
C6H6O3 + O2 = CO2 + H2O =>
C6H6O3 + 6 O2 = 6 CO2 + 3 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
FeCr2O7 + K2CO3 + O2 = K2CrO4 + Fe2O3 + CO2 =>
4 FeCr2O7 + 8 K2CO3 + O2 = 8 K2CrO4 + 2 Fe2O3 + 8 CO2
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
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