Question
La constante $R$ (constante des gaz) intervient souvent dans les calculs. Calculez la valeur de $R$, sachant que le volume molaire du gaz parfait pris dans les conditions normales de température et de pression est de 22,414 L. $\mathrm{mol}^{-1}$.
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A chemistry student realizes she has forgotten the value of $R$ and needs to determine $\underline{i t}$ experimentally. She decides to measure the mass, volume, pressure, and temperature of a sample of carbon dioxide gas. She finds that $4.505 \mathrm{~g}$ of the gas occupies $2.50 \mathrm{~L}$ at $23^{\circ} \mathrm{C}$ and $0.9960 \mathrm{~atm}$ Calculate the value of $R$ she determines from these data.
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One mole of an ideal gas occupies a volume of 22.414 L at 1 atm pressure and 273.15 K. Based on this, evaluate the gas constant R. If the pressure is expressed in torr and everything else unchanged, what would be the value of R? The unit of R should be in L-torr/mol-K.
One mole of an ideal gas occupies a volume of 22.414 L at 1.000 atm pressure and 273.15 K. Based on this information, evaluate the gas constant R. If pressure is expressed in torr (instead of atmosphere) and everything else unchanged, what would be the value of R? The unit of R should be in L-torr/mol-K.
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