Problem: The internal energy of an ideal gas depends only on its temperature. Which of the following is true of an isothermal (constant-temperature) expansion of an ideal gas against a constant external pressure?a. ΔE is positiveb. w is positivec. q is positived. ΔE is negative

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Recall that at the isothermal system → ΔE = 0

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Problem Details

The internal energy of an ideal gas depends only on its temperature. Which of the following is true of an isothermal (constant-temperature) expansion of an ideal gas against a constant external pressure?
a. ΔE is positive
b. w is positive
c. q is positive
d. ΔE is negative

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