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Gas Laws and Kinetic Molecular Theory (4B) Practice Test
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Q1
In a respiratory physiology experiment, an alveolar gas sample is approximated as an ideal gas at constant temperature. The partial pressure of $\mathrm{O_2}$ is measured as $P_{\mathrm{O_2}}=100\ \mathrm{mmHg}$ in a mixture with total pressure $P_{\text{total}}=760\ \mathrm{mmHg}$. Assume the mixture behaves ideally.
Based on Dalton’s law of partial pressures, which value is most consistent with the mole fraction of $\mathrm{O_2}$ in the sample?
In a respiratory physiology experiment, an alveolar gas sample is approximated as an ideal gas at constant temperature. The partial pressure of $\mathrm{O_2}$ is measured as $P_{\mathrm{O_2}}=100\ \mathrm{mmHg}$ in a mixture with total pressure $P_{\text{total}}=760\ \mathrm{mmHg}$. Assume the mixture behaves ideally.
Based on Dalton’s law of partial pressures, which value is most consistent with the mole fraction of $\mathrm{O_2}$ in the sample?