Referring to Figure 12-9, a Substance Carried from Point a to B

Short Answer

Referring to Figure 12-9, a substance carried from point A to B absorbs 50. J and finds its internal energy has increased by 20. J. Going from B to C the internal energy decreases by 5. Joules.

(a) How much work was done from A to B?
(b) How much heat was absorbed from B to C?
(c) How much work was done going from B to C?