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Liquefied petroleum gas is stored:

A. as a solid.
B. in a gaseous form.
C. in a liquid state under pressure.
D. in its purest form as butane gas.

1 Answer

2 votes

Final answer:

Liquefied petroleum gas (LPG) is stored in a liquid state under pressure. Increased pressure reduces the volume and allows LPG, which may include gases like butane, to be transported and stored more efficiently.

Step-by-step explanation:

Liquefied petroleum gas (LPG) is stored in a liquid state under pressure. This is because gases can be liquefied by compression, provided the temperature is not too high. The increased pressure brings the molecules of a gas closer together, making the attraction between them stronger compared to their kinetic energy (KE), thus causing them to form a liquid. Butane, with a chemical formula of C4H10, is one such gas that becomes a liquid when compressed; it is commonly used in disposable lighters and as a fuel gas. LPG is similar; it is a mixture that often contains butane, along with other hydrocarbons, and is used for heating, cooking, and fuel in certain engines.

LPG's capability to exist in a liquid form when under pressure makes it immensely efficient for storage and transportation. A practical example of this is the storage of butane in the fuel compartment of a disposable lighter, illustrating the transition from a gaseous to a liquid state. Moreover, due to this property of being stored as a liquid, LPG is more convenient for transport as it occupies less volume compared to its gaseous form and eliminates the need for a highly pressurized container like those required for storing gases.

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