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Trump proposes an end to Reid Vapor Pressure regulations

Ohio's Country Journal and Ohio Ag Net - Oct 9, 2018
By Matt Reese and Dale Minyo. Currently, citing air quality concerns, Reid Vapor Pressure (RVP) regulations force fuel retailers to restrict sales of E15 to only flex fuel vehicles from June 1 to Sept. 15, the peak driving season. For years, ethanol ...

North Dakota adjusting its vapor pressure rule

Williston Daily Herald - Sep 21, 2018
Vapor pressure tests have been required every quarter since North Dakota implemented its new standard in 2015. The new rule would let the Division of Oil and Gas adjust the frequency and timing of the required tests to match weather conditions when theĀ ...

Changes proposed to ND rules on volatile gases in shipping oil

Grand Forks Herald - Sep 19, 2018
The regulations require companies to test the vapor pressure of crude oil to ensure that it doesn't exceed 13.7 pounds per square inch. Lynn Helms, director of the Department of Mineral Resources, said the industry has conducted 60,000 vapor pressure ...

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Vapor pressure | States of matter and intermolecular forces | Chemistry | Khan Academy

Vapor pressure, volatility, and evaporation. Watch the next lesson: ...

Vapor Pressure Basic Introduction, Normal Boiling Point, & Clausius Clapeyron Equation - Chemistry

This chemistry video tutorial provides a basic introduction into vapor pressure. Vapor pressure is the partial pressure at which a substance's rate of evaporation ...

Vapor Pressure and Boiling

The molecules leaving a liquid through evaporation create an upward pressure as they collide with air molecules. This upward push is called the vapor pressure ...

Raoult's Law - How To Calculate The Vapor Pressure of a Solution With a Nonvolatile Solute

This chemistry video tutorial provides a basic introduction into Raoult's law which says that the vapor pressure of a solution is the product of the mole fraction of ...