Oxygen gas at 34.5 °C is compressed from 45.7 L to 34.5 L against a constant pressure of 750 mmHg. What is the work done in joules by the system? 1.12 × 103 J -1.12 × 103 J 9.09 × 104 J -9.09 × 104 J 4.55 × 103 J O

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