Consider the accompanying energy diagram.
(a) Does this diagram represent an increase or decrease in the internal energy of the system?
(b) What sign is given to ¢E for this process?
(c) If there is no work associated with the process, is it exothermic or endothermic?
![2223_product.png](https://secure.tutorsglobe.com/CMSImages/2223_product.png)