Oxygen Gas at 34

question 30

Multiple Choice

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?

• A)1.12 × 10^{3 J}
• B)-1.12 × 10^{3 J}
• C)9.09 × 10^{4 J}
• D)-9.09 × 10^{4 J}
• E)4.55 × 10^{3 J}

---

Definitions:

Stalactite

A type of speleothem that hangs from the ceiling of limestone caves, formed by the deposition of minerals from dripping water.

Limestone Caves

Natural cavities formed within limestone rock due to the dissolution of carbonate minerals by water, known for their unique formations and speleothems.

Quartz Crystals

Hard, crystalline minerals made of silica (SiO2), used in various applications due to their piezoelectric properties.

Sinkholes

Depressions or holes in the ground caused by the collapse of a surface layer, occurring in areas where the rock below is limestone, carbonate rock, salt beds, or other rocks that can be dissolved by groundwater.