Answered

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-Dr. Walter Snelling discovered in 1911
-it is a gas becomes a liquid under moderate pressure or when cold
-it is a portable energy source used in Barbecue grills in hot air balloons

what is it?

Sagot :

Oseni

The gas that Dr. Walter Snelling discovered in 1911 that becomes a liquid under moderate pressure and acts as an energy source is propane.

Properties of Propane

Propane is a gas at room temperature and it was isolated by Dr. Walter Snelling around 1911 in the process of trying to stabilize gasoline.

At cold temperatures or moderate pressure, propane becomes a liquid.

Propane has been and is still being used as an energy source in cooking, powering vehicles, and cutting metals in industrial welding.

More on propane can be found here: https://brainly.com/question/24159489

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