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An ideal gas at constant temperature and pressure expands and its
Options
(a) internal energy increases
(b) internal energy decreases
(c) internal energy remains same
(d) endropy increases and then decreases
Correct Answer:
internal energy remains same
Explanation:
Internal energy change (ΔE) is a function of temperature. So for constant temperature, ΔE is also zero i.e., internal energy remains same. [ΔE ∝ T]
Related Questions: - Which of the following is not efflorescent?
- At 298 K the enthalpy of formation of liquid water is -285.9 kJ/mol
- In a given atom no two electrons can have the same values for all
- Which one of the following does not involve coagulation
- Which of the following acids exhibits optical activity
Topics: Thermodynamics
(179)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following is not efflorescent?
- At 298 K the enthalpy of formation of liquid water is -285.9 kJ/mol
- In a given atom no two electrons can have the same values for all
- Which one of the following does not involve coagulation
- Which of the following acids exhibits optical activity
Topics: Thermodynamics (179)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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