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Ca(CO3) = CaO + CO2
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
K2SO3 + S8 = K2S2O3 =>
8 K2SO3 + S8 = 8 K2S2O3
Pb(NO3)2(aq) + Na2CO3(aq) = PbCO3(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + Na2CO3(aq) = PbCO3(s) + 2 NaNO3(aq)
Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO2 + H20 =>
10 Cu2S + 60 HNO3 = 10 Cu(NO3)2 + 10 CuSO4 + 40 NO2 + 3 H20
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
IO3{-} + I{-} + H{+} = I2 + H2O =>
IO3{-} + 5 I{-} + 6 H{+} = 3 I2 + 3 H2O
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
Ca(NO3)2 = CaO + NO2 + O2 =>
2 Ca(NO3)2 = 2 CaO + 4 NO2 + O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
Fe + CdCl2 = FeCl3 + Cd =>
2 Fe + 3 CdCl2 = 2 FeCl3 + 3 Cd
CO + H2 = CH3OH =>
CO + 2 H2 = CH3OH
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
CH4 + H2S = CS2 + H2 =>
CH4 + 2 H2S = CS2 + 4 H2
NH3Cl + NaOH = NH2 + NaCl + H2O =>
NH3Cl + NaOH = NH2 + NaCl + H2O
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Na2O2 + H2SO4 = Na2SO4 + H2O2 =>
Na2O2 + H2SO4 = Na2SO4 + H2O2
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Pb(NO3)2(aq) + Na3PO4(aq) = Pb3(PO4)2(s) + NaNO3(aq) =>
3 Pb(NO3)2(aq) + 2 Na3PO4(aq) = Pb3(PO4)2(s) + 6 NaNO3(aq)
HClO + OH = ClO + H2O =>
HClO + OH = ClO + H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CH4 + Br2 = CBr4 + HBr =>
CH4 + 4 Br2 = CBr4 + 4 HBr
Mg + HBr = MgBr2 + H2 =>
Mg + 2 HBr = MgBr2 + H2
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
CO2 + H2 = CH3OH + H2O =>
CO2 + 3 H2 = CH3OH + H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NaCO3 + H2SO3 = Na2SO4 + CO2 + H2O =>
2 NaCO3 + H2SO3 = Na2SO4 + 2 CO2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Na2S2O3 + CuCl = Na3[Cu(S2O3)2] + NaCl =>
2 Na2S2O3 + CuCl = Na3[Cu(S2O3)2] + NaCl
B2O3(energy) + Mg = B(g) + MgO(g) =>
B2O3(energy) + 3 Mg = 2 B(g) + 3 MgO(g)
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
Ca(s) + H2O(l) = Ca(OH)2(aq) + H2(g) =>
Ca(s) + 2 H2O(l) = Ca(OH)2(aq) + H2(g)
CH4 + H2S = CS2 + H2 =>
CH4 + 2 H2S = CS2 + 4 H2
H2C2O4(aq) + NaOH(aq) = Na2C2O4(aq) + H2O(l) =>
H2C2O4(aq) + 2 NaOH(aq) = Na2C2O4(aq) + 2 H2O(l)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
K2SO3 + S8 = K2S2O3 =>
8 K2SO3 + S8 = 8 K2S2O3
C3H5(NO3)3 = N2 + O2 + H2O + CO2 =>
4 C3H5(NO3)3 = 6 N2 + O2 + 10 H2O + 12 CO2
CO + H2 = CH3OH =>
CO + 2 H2 = CH3OH
NH3 + H3PO4 = (NH4)3PO4 =>
3 NH3 + H3PO4 = (NH4)3PO4
AgNO3(aq) + NaOH(aq) = AgOH(s) + NaNO3(aq) =>
AgNO3(aq) + NaOH(aq) = AgOH(s) + NaNO3(aq)
CO + NO = CO2 + N2 =>
2 CO + 2 NO = 2 CO2 + N2
NH3 + H3PO4 = (NH4)2HPO4 =>
2 NH3 + H3PO4 = (NH4)2HPO4
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