A 275-L Container Filled with CO₂ Gas at 25°C and 225

question 64

Multiple Choice

A 2.75-L container filled with CO₂ gas at 25°C and 225 kPa pressure springs a leak.When the container is re-sealed,the pressure is 185 kPa and the temperature is 10°C.How many moles of gas were lost?

• A)0.0335 mol
• B)0.728 mol
• C)0.882 mol
• D)3.39 mol

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Definitions:

Oxygen

A chemical element with symbol O, essential for respiration in many organisms and known for its high electronegativity and ability to form oxides.

Bond Angle

The angle formed between two bonds that originate from the same atom, crucial for determining the shape and geometry of molecules.

Three-Dimensional Model

A representation of an object or system in three dimensions, providing a realistic view of its structure and arrangement.

Methanol

A simple alcohol with the formula CH3OH, used as a solvent, antifreeze, fuel, and in the manufacture of formaldehyde.