| 单词 | ideal gas |
| 例句 | In the ideal gas model, the volume occupied by its atoms and molecules is a negligible fraction of V . College Physics for AP Courses 2015-08-12T00:00:00Z In this section, the reasons for these deviations from ideal gas behavior are considered. Chemistry 2019-02-14T00:00:00Z The negative of the slope of that graph is the energy of activation divided by the universal ideal gas constant, R = 8.314 J/Kmol. Biology for AP Courses 2022-06-09T00:00:00Z The volume of an ideal gas varies directly with the temperature and inversely with the pressure . Precalculus 2021-12-01T00:00:00Z In the drama that unfolded, one that included multiple court appearances and made the ideal gas law a household phrase, Brady was eventually suspended for four games in the 2016 season. Tom Brady’s Impact Was Best Measured in Goose Bumps 2022-02-01T05:00:00Z Select a set of data points from the table and plot those points on a graph to determine whether the gas exhibits properties of an ideal gas. College Physics for AP Courses 2015-08-12T00:00:00Z The van der Waals equation improves upon the ideal gas law by adding two terms: one to account for the volume of the gas molecules and another for the attractive forces between them. Chemistry 2019-02-14T00:00:00Z They would commence play after Barrie had finished giving a lecture on deviations from the ideal gas law. They are the Nadal and Djokovic of their game, but that game is tiddlywinks 2019-12-26T05:00:00Z In 1925, Einstein was working on his theory of the quantum ideal gas. Why everyone can — and should — learn quantum mechanics 2018-11-18T05:00:00Z Their lives didn't pass as an ideal gas, expanding to fill their their containers. Physics Inferno 2018-04-04T04:00:00Z Indicate whether the gas exhibits properties of an ideal gas, and explain what characteristic of your graph provides the evidence. College Physics for AP Courses 2015-08-12T00:00:00Z The value is somewhat different because CO2 molecules do have some volume and attractions between molecules, and the ideal gas law assumes they do not have volume or attractions. Chemistry 2019-02-14T00:00:00Z Solid Earth scientists use the physio-chemical term, ‘oxygen fugacity’, to reflect the fact that oxygen in the deep Earth is mainly locked in minerals and not in the form of an ideal gas. Bridge the planetary divide 2016-11-01T04:00:00Z Einstein wrote three papers on the quantum theory of the monoatomic ideal gas. Why everyone can — and should — learn quantum mechanics 2018-11-18T05:00:00Z Before all of New England starts composing outraged e-mails about Baker’s ignorance toward ideal gas law, bear in mind that he was joking. Hail to the Redskinzzzzz 2016-06-13T04:00:00Z We also noted in our discussion of the ideal gas law that PV has units of energy. College Physics for AP Courses 2015-08-12T00:00:00Z The van der Waals equation is a modified version of the ideal gas law that can be used to account for the non-ideal behavior of gases under these conditions. Chemistry 2019-02-14T00:00:00Z "I personally believe that when the league made their decision, they did not factor in the ideal gas law," Kraft said. New England Patriots owner Robert Kraft has asked the NFL to reinstate the draft picks the team lost in the deflated footballs investigation stemming from the 2014 AFC title game 2016-03-21T04:00:00Z Even for a team that’s made its reputation on avoiding distractions, the competition will provide a welcome relief from a summer of talk about deflated footballs and the ideal gas law. Patriots get to play football instead of talk about them 2015-09-09T04:00:00Z Even for a team that's made its reputation on avoiding distractions, the competition will provide a welcome relief from a summer of talk about deflated footballs and the ideal gas law. 7 months after Super Bowl, Patriots finally get to play football instead of talking about them 2015-09-09T04:00:00Z The properties of an ideal gas can be explained in terms of a small number of macroscopic variables including temperature and pressure. College Physics for AP Courses 2015-08-12T00:00:00Z This is a mathematical statement of Henry’s law: The quantity of an ideal gas that dissolves in a definite volume of liquid is directly proportional to the pressure of the gas. Chemistry 2019-02-14T00:00:00Z Using the ideal gas law from chemistry, in a closed system within a football, if the temperature were to decrease then the pressure would decrease. Letters: At least the fans are fighting mad over Mayweather-Pacquiao bout 2015-05-08T04:00:00Z According to chemistry’s ideal gas law, reducing the temperature of a gaseous system in a confined space also reduces the pressure of the system—Could nature itself then be the culprit? Can Science Solve the Mystery of “Deflategate”? 2015-01-29T05:00:00Z When the football controversy arose, a number of physicists cited the ideal gas law, which many of them taught in introductory courses. Deflation Experiments Show Patriots May Have Science on Their Side After All 2015-01-29T05:00:00Z In this case, the gas is called an ideal gas, in which case the relationship between the pressure, volume, and temperature is given by the equation of state called the ideal gas law. College Physics for AP Courses 2015-08-12T00:00:00Z Eventually, these individual laws were combined into a single equation—the ideal gas law—that relates gas quantities for gases and is quite accurate for low pressures and moderate temperatures. Chemistry 2019-02-14T00:00:00Z They found that the collisions of moshers was similar to the motion of molecules in an ideal gas. Physicists Model Mosh Moves 2013-03-28T01:15:00.773Z Fig 1: The minimum energy to separate the CO2 per mole of CO2 from an ideal gas mixture at room temperature. Post-Combustion CO2 Capture to Mitigate Climate Change: Separation Costs Energy 2013-03-07T14:15:03.467Z Wood.—Fuel and oil gas and the future Utopia of improved gas manufacturing.—The ideal gas company of after days.—A valuable and suggestive paper. Scientific American Supplement, No. 648, June 2, 1888. 2011-12-26T03:00:15.410Z The ideal gas law describes the behavior of real gases under most conditions. College Physics for AP Courses 2015-08-12T00:00:00Z If we know the volume, pressure, and temperature of a gas, we can use the ideal gas equation to calculate how many moles of the gas are present. Chemistry 2019-02-14T00:00:00Z We define the universal gas constant R = NAk , and obtain the ideal gas law in terms of moles. College Physics for AP Courses 2015-08-12T00:00:00Z The left-hand side of the ideal gas law is PV , which also has the units of joules. College Physics for AP Courses 2015-08-12T00:00:00Z When the substance behaves like an ideal gas, the ideal gas law describes the relationship between its pressure and volume. College Physics for AP Courses 2015-08-12T00:00:00Z Let us see how the ideal gas law is consistent with the behavior of filling the tire when it is pumped slowly and the temperature is constant. College Physics for AP Courses 2015-08-12T00:00:00Z Consequently, gas behavior is not necessarily described well by the ideal gas law. Chemistry 2019-02-14T00:00:00Z In a mixture of gases, the total pressure is the sum of partial pressures of the component gases, assuming ideal gas behavior and no chemical reactions between the components. College Physics for AP Courses 2015-08-12T00:00:00Z Under what circumstances would you expect a gas to behave significantly differently than predicted by the ideal gas law? College Physics for AP Courses 2015-08-12T00:00:00Z If the gas behaves like an ideal gas, as is often the case, and if no phase change occurs, then PV = nRT . College Physics for AP Courses 2015-08-12T00:00:00Z The ideal gas law is closely related to energy: the units on both sides are joules. College Physics for AP Courses 2015-08-12T00:00:00Z Explain why the plot of PV for CO2 differs from that of an ideal gas. Chemistry 2019-02-14T00:00:00Z To determine why this is, consider the differences between real gas properties and what is expected of a hypothetical ideal gas. Chemistry 2019-02-14T00:00:00Z Particles of a hypothetical ideal gas have no significant volume and do not attract or repel each other. Chemistry 2019-02-14T00:00:00Z There are several different equations that better approximate gas behavior than does the ideal gas law. Chemistry 2019-02-14T00:00:00Z What can we learn from this atomic and molecular version of the ideal gas law? College Physics for AP Courses 2015-08-12T00:00:00Z A relation between these two K values may be simply derived from the ideal gas equation and the definition of molarity: Chemistry 2019-02-14T00:00:00Z Strictly speaking, the ideal gas equation functions well when intermolecular attractions between gas molecules are negligible and the gas molecules themselves do not occupy an appreciable part of the whole volume. Chemistry 2019-02-14T00:00:00Z This is not very different from the value from the ideal gas law because the pressure is not very high and the temperature is not very low. Chemistry 2019-02-14T00:00:00Z Appropriate rearrangement of the ideal gas equation may be made to permit the calculation of gas densities and molar masses. Chemistry 2019-02-14T00:00:00Z The properties of an ideal gas can be explained in terms of a small number of macroscopic variables including temperature and pressure. College Physics for AP Courses 2015-08-12T00:00:00Z The partial pressure P of an ideal gas is proportional to its molar concentration M, Chemistry 2019-02-14T00:00:00Z It is “ideal” in the same sense that an ideal gas is a convenient, simple representation of real gases that works well, provided that the pressure is not too high nor the temperature too low. Chemistry 2019-02-14T00:00:00Z An ideal gas is a hypothetical construct that may be used along with kinetic molecular theory to effectively explain the gas laws as will be described in a later module of this chapter. Chemistry 2019-02-14T00:00:00Z Under which of the following sets of conditions does a real gas behave most like an ideal gas, and for which conditions is a real gas expected to deviate from ideal behavior? Chemistry 2019-02-14T00:00:00Z It is used extensively in scientific work because a number of physical quantities, such as the volume of an ideal gas, are directly related to absolute temperature. College Physics for AP Courses 2015-08-12T00:00:00Z As is apparent from Figure 9.35, the ideal gas law does not describe gas behavior well at relatively high pressures. Chemistry 2019-02-14T00:00:00Z In general, under what temperature conditions would you expect Z to have the largest deviations from the Z for an ideal gas? Chemistry 2019-02-14T00:00:00Z |
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