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The following reaction reaches equilibrium at 650 degree C and atmospheric press

ID: 898037 • Letter: T

Question

The following reaction reaches equilibrium at 650 degree C and atmospheric pressure: If the system initially is an equimolar mixture of nitrogen and acetylene, what is the composition of the system at equilibrium? What would be the effect of doubling the pressure? Assume ideal gasses. From Appendix C of Smith and Van Ness: The following is an industrial-safety rule of thumb: compounds with large positive Delta G degree must be handled and stored safely. Explain. Two important classes of reactions arc oxidation reactions and cracking reactions. One class is invariably endothermic; the other, exothermic. Which is which? For which class of reactions does equilibrium conversion increase with increasing T?

Explanation / Answer

3)

oxidation reactions are exothermic.In oxidation reactions always heat is liberated.

cracking reactions are endothermic. in cracking reactions we need to supply heat.

in case of oxidation reactions. there is no possibility of equilibrium.

cracking reactions equilibrium conversion increase with increasing temperature T