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The diagram shows four states of a system, each with different internal energy, E.

(a)Which of the states of the system has the greatest internal energy?

(b) In terms of the ¢E values, write two expressions for the difference in internal energy between State A and State B.

(d) Suppose there is another state of the system, State E, and that its energy relative to State A is ? E= ?E1 + ?E4 . Where would State E be on the diagram?

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Category:- Chemistry
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