At constant pressure,the sign of q for the process CO₂(s)→ CO₂(g)is expected to be A)positive,and the process is exothermic. B)negative,and the process is exothermic. C)impossible to predict. D)positive,and the process is endothermic. E)negative,and the process is endothermic.

Question

Quizplus · Accepted Answer

The process described is the sublimation of a solid to a gas, which requires energy input to overcome intermolecular forces. Therefore, it is endothermic, and q (heat) is positive because heat is absorbed.

At Constant Pressure,the Sign of Q for the Process CO2(s)→

At Constant Pressure,the Sign of Q for the Process CO₂(s)→