Problem: The diagram shows four states of a system, each with different internal energy, E. Which expression(s) represent the difference in energy between State C and State D?

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ΔE = ΔE of State C - ΔE of State D


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Problem Details

The diagram shows four states of a system, each with different internal energy, E. State A is at the lowest internal energy (E), while State B is at the highest internal energy.  From State A, delta-E1 goes up to State C, about two-thirds of the way to State B.  From State C, delta-E2 goes up to State B. Also from State A, delta-E3 goes up to State D, about one-third of the way up to State B.  From State D, delta-E4 goes up to State B.

Which expression(s) represent the difference in energy between State C and State D?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Internal Energy concept. You can view video lessons to learn Internal Energy. Or if you need more Internal Energy practice, you can also practice Internal Energy practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Zhao's class at TXSTATE.