Carbon dioxide dissociates to form carbon monoxide. a. Write down the balanced s
ID: 932397 • Letter: C
Question
Carbon dioxide dissociates to form carbon monoxide.
a. Write down the balanced stoichiometric equation representing the complete dissociation of CO2 to CO
b. determine the equilibrium constant for this reaction at 2000 K
c. Write down the balanced stoichiometric equation when 25% of CO2 has disassociated into CO
d. What is the value of the equilibrium constant when this occurs i.e., when 25% of CO2 has disassociated into CO at 1 bar?
e. At what temperature (approximately) does this occur
f. explain if the complete dissociation of CO2 to CO is an endothermic or exothermic reaction.
g. Finally, determine the enthalpy of this reaction at standard conditions to verify if the complete dissociation of CO2 to CO is endothermic or exothermic
Explanation / Answer
a) Balanced stoichiometric equation,
2CO2 ------------- 2CO + O2
b) K = [CO2]/[CO]×[O2]½