Homework Help: Chemistry

Posted by Richard on Tuesday, October 23, 2007 at 12:45am.

Consider a system of three molecules A, B, and C. Suppose that three units of energy can be distributed over the three atoms. Each atom can have no energy, one unit of energy, two units of energy, or all three units of energy. Assume that each of the ten possible arrangements of the three units of energy is equally probable. What is the probability that molecule B has exactly one unit of energy?

Chemistry - bobpursley, Tuesday, October 23, 2007 at 6:05am
Each atom of three, has four states, and each are equal probable.

Possible configurations...
A,B,C
1,1,1
1,2,0
1,0,2
2,1,0
2,0,1
3,0,0
0,3,0
0,0,3
0,1,2
0,2,1

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