ISBN: 978-0321651785

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Which is the larger species in each pair?

a. Li o r Li^{+}

b. Cs^{1- }o r Cs^{+ }

c. Cr^{1-} or Cr^{3+}

d. O or O^{2-}

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A quantity of CO gas occupies a volume of 0.48 L at 1.0 atm and 275 K. The pressure of the gas is lowered and its temperature is raised until its volume is 1.3 L. Find the density of the CO under the new conditions.

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A 10-liter container is filled with 0.10 mol of H_{2}(g) and heated to 3000 K causing some of the H_{2}(g) to decompose into H(g). The pressure is found to be 3.0 atm. Find the partial pressure of the H(g) that foms from H_{2} at this temperature. (Assume two significant figures for the temperature.)

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A gas mixture composed of helium and argon has a density of 0.670 g/L at a 755 Hg and 298 K. What is the composition of the mixture by volume?

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A sample of N_{2}O_{3}(g) has a pressure of 0.017 atm. The temperature (in K) is then doubled and the N_{2}O_{3} undergoes complete decomposition to NO_{2}(g) and NO(g). Find the total pressure of the mixture of gases assuming constant volume and no additional temperature change.

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