Chemistry · Chemical Thermodynamics
A gas is allowed to expand in a well-insulated container against a constant external pressure of 2.5 atm from an initial volume of 2.50 L to a final volume of 4.50 L. The change in internal energy (ΔU) of the gas in joules will be: (Given: 1 L·atm = 101.3 J)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1-505 J✓
- 2-500 J
- 3+1136.25 J
- 4+505 J
Correct answer
-505 J
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