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B an electron orbit with a radius equal to the bohr

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Unformatted text preview: 1 B. 2 C. 3 D. 5 E. 6 ____ 7. The ideal gas law is most valid at: A. high temperatures and high pressures. B. high temperatures and low pressures. C. low temperatures and high pressures. D. low temperatures and low pressures. ____ 8. If the pressure of a gas sample is multiplied by three and the volume is multiplied by two, by what factor does the absolute temperature of the sample change? A. 6 B. 2/3 C. 3/2 D. 1/6 E. this situation is not possible ____ 9. An atomic orbital can be described as A. the distance from the nucleus where an electron is always found. B. an electron orbit with a radius equal to the Bohr radius of the atom. C. a region in an atom in which there is a high probability of finding an electron. D. the circular or elliptical path the electron travels about a nucleus. E. all of the above. 3 ____ 10. What mass of K2CO3 is needed to prepare 300. mL of a solution having a potassium ion concentration of 0.250 M? A. 10.4 g B. 5.18 g C. 2.59 g D. 20.7 g E. 2.71 x 10- 4 g ____ 11. How would...
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