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Reid vapor pressure (RVP) is a common measure of the volatility of gasoline and other petroleum products. [1] It is defined as the absolute vapor pressure exerted by the vapor of the liquid and any dissolved gases/moisture at 37.8 °C (100 °F) as determined by the test method ASTM-D-323, which was first developed in 1930 [2] and has been revised several times (the latest version is ASTM D323 ...
True vapor pressure (TVP) is a common measure of the volatility of petroleum distillate fuels. It is defined as the equilibrium partial pressure exerted by a volatile organic liquid as a function of temperature as determined by the test method ASTM D 2879.
Advanced Placement (AP) Psychology (also known as AP Psych) and its corresponding exam are part of the College Board's Advanced Placement Program. This course is tailored for students interested in the field of psychology and as an opportunity to earn Advanced Placement credit or exemption from a college -level psychology course.
The higher the gasoline volatility (the higher the RVP), the easier it is to evaporate. The conversion between the two fuels occurs twice a year, once in autumn (winter mix) and the other in spring (summer mix). The winter blended fuel has a higher RVP because the fuel must be able to evaporate at a low temperature for the engine to run normally.
Bromine liquid readily transitions to vapor at room temperature, indicating high volatility. In chemistry , volatility is a material quality which describes how readily a substance vaporizes . At a given temperature and pressure , a substance with high volatility is more likely to exist as a vapour , while a substance with low volatility is ...
Advanced Placement (AP) examinations are exams offered in United States by the College Board and are taken each May by students. The tests are the culmination of year-long Advanced Placement (AP) courses, which are typically offered at the high school level. AP exams (with few exceptions [1]) have a multiple-choice section and a free-response ...
Implied volatility is a powerful but often misunderstood metric that plays a major role in options trading.Implied volatility doesn’t tell you what’s going to happen to an option’s price ...
Volatility (finance), degree of variation over time; Volatiles, the volatile compounds of magma (mostly water vapor) that affect the appearance and strength of volcanoes; Stochastic volatility, in the mathematical theory of probability; Pedersen index, a measure of electoral volatility in political party systems