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The density of liquid propane at 25 °C (77 °F) is 0.493 g/cm 3, which is equivalent to 4.11 pounds per U.S. liquid gallon or 493 g/L. Propane expands at 1.5% per 10 °F. Thus, liquid propane has a density of approximately 4.2 pounds per gallon (504 g/L) at 60 °F (15.6 °C). [30] As the density of propane changes with temperature, this fact ...
The price per gallon never topped 90 cents in the closing years of the ’80s — about $2.40 today. A decade later in 1996-97, prices peaked at $1.23, which is almost exactly the same in 2022 ...
The average U.S. gas price on Jan. 15, 2025, was $3.09 per gallon — up 0.7% from $3.07 a year ago. The highest average gas price per gallon in 2024 was in April ($3.61) and the lowest was in ...
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2 per unit of energy than does coal or oil, but more than natural gas. It emits 81% of the CO 2 per kWh produced by oil, 70% of that of coal, and less than 50% of that emitted by coal-generated electricity distributed via the grid. [40] Being a mix of propane and butane, LPG emits less carbon per joule than butane but more carbon per joule than ...
Price per million BTU of oil and natural gas in the US, 1998-2015. Natural gas prices, as with other commodity prices, are mainly driven by supply and demand fundamentals. However, natural gas prices may also be linked to the price of crude oil and petroleum products, especially in continental Europe.
In August 2023, the average per gallon was $3.83, according to AAA. As of Nov. 3, 2023, the current average gas price is $3.44 per gallon in the United States. Highest Gas Prices in the US
Liquid properties Std enthalpy change of formation, Δ f H o liquid: −118.910 kJ/mol Standard molar entropy, S o liquid: 171.0 J/(mol K) Heat capacity, c p: 98.36 J/(mol K) Gas properties Std enthalpy change of formation, Δ f H o gas: −104.7 kJ/mol Standard molar entropy, S o gas: 269.91 J/(mol K) Enthalpy of combustion, Δ c H o: −2220. ...