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प्रश्न
An ideal gas expands against a constant external pressure of 2.0 atmosphere from 20 litre to 40 litre and absorbs 10 kJ of heat from the surrounding. What is the change in the internal energy of the system?
(Given: 1 atm-litre = 101.3 J)
पर्याय
4052 J
5948 J
14052 J
9940 J
MCQ
उत्तर
5948 J
Explanation:
ΔU = q + w
= 10 × 1000 − 2 × (20) × 101.3
= 5948 J
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Internal Energy (U)
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