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N moles of an ideal gas undergoes a thermodynamics process in which pressure of gas varies linearly with the with the volume of gasas shown in figure. The maximum temperature of the gas during thexPVprocess is 4nR Then the value of xis2PolPot--2V |
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Answer» Explanation: First, you can CONSIDER that the entire term: RT∙e −a ⁄RTVm (Vm−b) must have units of PRESSURE. HOWEVER, it is EASIER to note that (Vm − b) is a sum and thus "b" has the same units as Vm: m3 /mol. Last, you should know that the argument of an exponential cannot have units; thus a RTVm is unitless. This means that "a" must be J∙m3 /mol2 . |
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