In this FNT you will use the graph of pair wise PE to determine the minimum amou
ID: 1363660 • Letter: I
Question
In this FNT you will use the graph of pair wise PE to determine the minimum amount of energy required to break a bond between two particles. Consider a physical system consisting of two particles with the potential energy function shown in the graph of pair-wise PE. Assume that = 20 × 10-21 J (i.e., PE(r = r0) = -20 × 10-21 J).
a) Imagine that energy is added to the physical system, taking the two particles from the initial to final states described in the following: Initial-Particles motionless and separated by a distance r = r0. Final-Particles motionless and separated by a distance much greater than r0 (r >> r0). Write an equation expressing the change in total energy (Etotal) of the two particles. Then substitute in numerical values to find Etotal. Is this the minimum energy required to break a bond between these two particles?
b) What macroscopic energy system(s) change(s) when water boils, and does it (they) increase or decrease? What energy changed in part a), and did it increase or decrease? What does the microscopic process involving two particles have in common with the macroscopic process of boiling water?
Explanation / Answer
hello,,, and the graph?