Problem: The diagram shows four states of a system, each with different internal energy, E. Which of the states of the system has the greatest internal energy?

FREE Expert Solution

Recall: The internal energy E of a system is sum of kinetic and potential energies of all the particles present in the system. It is a state function, meaning its value depends only at the state (pressure, temperature, concentration, phase) of the system.

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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 of the states of the system has the greatest internal energy?

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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.

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Based on our data, we think this problem is relevant for Professor Bartoszek Loza's class at OSU.