The value of ΔH° for the reaction below is -482 kJ. Calculate the heat (kJ) released to the surroundings when 38.5 g of O2 (g) reacts with excess CO? 2CO (g) + O2 (g) → 2CO2 (g) a.2.65 × 10 3 kJ b.482 kJ c.580. kJ d.65.7kJ
1 Answer
Apr 6, 2018
Consider,
Think of the reaction releasing that much heat per stoichiometric equivalent of reactants. If the limiting reactant is oxygen gas, it will increase the enthalpy of reaction by a factor equal to the molar amount of oxygen.
Hence,
are released from the system, and
Answer: