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d. d. 0.202 m c. 0.302 m b. 0.407 m 29. Convert 0.505 M FeCl, to molality. The density of the solution is 1.060 g/mL. a. 0.516 m d. dissociation b. ionization 30. During the Born-Haber cycle of sodium chloride, there is a reaction, Na(s)Na(g). What is its name? a. sublimation c. neutralization 31. An experiment is performed and it is found that a mixture of 12.0 grams of an unknown solid mixed with 40.0 grams of carbon disulfide boils at 53.3°C. If the boiling point of pure carbon disulfide is 46.0°C, what is the molecular mass of the unknown solid? Ks for carbon disulfide is 2.79 °C/m. 115 amu b. 158 amu c. 195 amu d. 133 amu

d. d. 0.202 m c. 0.302 m b. 0.407 m 29. Convert 0.505 M FeCl, to molality. The density of the solution is 1.060 g/mL. a. 0.516 m d. dissociation b. ionization 30. During the Born-Haber cycle of sodium chloride, there is a reaction, Na(s)Na(g). What is its name? a. sublimation c. neutralization 31. An experiment is performed and it is found that a mixture of 12.0 grams of an unknown solid mixed with 40.0 grams of carbon disulfide boils at 53.3°C. If the boiling point of pure carbon disulfide is 46.0°C, what is the molecular mass of the unknown solid? Ks for carbon disulfide is 2.79 °C/m. 115 amu b. 158 amu c. 195 amu d. 133 amu

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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OTEL MAH bond. roinW I ces. es. 02 A S evlozzib WE 2 VT. O d. 0.202 m c. 0.302 m b. 0.407 m 29. Convert 0.505 M FeCl3 to molality. The density of the solution is 1.060 g/mL. a. 0.516 m c. neutralization b. ionization 30. During the Born-Haber cycle of sodium chloride, there is a reaction, Na(s) a. sublimation 31. An experiment is performed and it is found that a mixture of 12.0 grams of an unknown solid mixed with 40.0 grams of carbon disulfide boils at 53.3°C. If the boiling point of pure carbon disulfide is 46.0°C, what is the molecular mass of the unknown solid? K, for carbon disulfide is 2.79 °C/m. a. 115 amu b. 158 amu c. 195 amu sogoo 32. Which one of the following is not a part of osmosis? a. osmotic pressure c. overall flow of solvent d. dissociation Na(g). What is its name? b. semipermeable membrane d. overall flow of solute. 34. Which terms would properly fill the blanks of the following? A colloid has a phase and a b. solute/solvent a. solution/solute d. 133 amu 33. The addition of sodium chloride to water will cause the boiling point of solution to increase above that of pure water. What is happening on the molecular level to cause this to happen? a. The ions at the surface are blocking water molecules from leaving until they attain a higher kinetic energy. b. The ions are forming precipitates with water that fall to the bottom of the container. c. The water is ionized by the ions and the new set of ions form an ionic compound that is nonvolatile. phase. c. dispersed/continuous d. solid/solute 35. 5.63 grams of LiBr dissolved in 78.0 grams of water. What is the molality of this LiBr solution? c. 0.536 m d. 0.831 m b. 0.684 m a. 0.979 m 36. "The component of a solution in smaller amount" is our textbook's definition of what? b. solvent a. colloid c. precipitate d. solute 37. "The resistance to flow that is exhibited by all liquids and gases" is called what? b. surface tension a. viscosity c. capillary action tools to d. fluid laglod 38. Selenium tetrabromide has a vapor pressure of 757 mmHg at 145°C and 422 mmHg at 85°C. What is the heat of vaporization of selenium tetrabromide? a. 6.45 kJ b. 10.1 kJ c. 8.58 kJ d. 12.1 kJ 39. "The temperature at which the vapor pressure of a liquid equals the pressure exerted on the liquid" is called what? c. the critical pressure d. the critical point a. the triple point b. the boiling point 40. 5.63 grams of LiBr is dissolved in 78.0 grams of water. What is the mole fraction of LiBr in this solution? b. 0.0122 a. 0.00955 c. 0.0147 d. 0.0173 41. "The tendency of atoms in molecules to have eight electrons in their valence shells" is the a. eight b. valence c. full shell d. octet rule. 42. A solution consists of sodium chloride solid dissolved in water. How will the solubility of the sodium chloride be affected by the increase in pressure above the solution? a. It will increase. b. It will decrease. c. It will remain unchanged.
Transcribed Image Text:OTEL MAH bond. roinW I ces. es. 02 A S evlozzib WE 2 VT. O d. 0.202 m c. 0.302 m b. 0.407 m 29. Convert 0.505 M FeCl3 to molality. The density of the solution is 1.060 g/mL. a. 0.516 m c. neutralization b. ionization 30. During the Born-Haber cycle of sodium chloride, there is a reaction, Na(s) a. sublimation 31. An experiment is performed and it is found that a mixture of 12.0 grams of an unknown solid mixed with 40.0 grams of carbon disulfide boils at 53.3°C. If the boiling point of pure carbon disulfide is 46.0°C, what is the molecular mass of the unknown solid? K, for carbon disulfide is 2.79 °C/m. a. 115 amu b. 158 amu c. 195 amu sogoo 32. Which one of the following is not a part of osmosis? a. osmotic pressure c. overall flow of solvent d. dissociation Na(g). What is its name? b. semipermeable membrane d. overall flow of solute. 34. Which terms would properly fill the blanks of the following? A colloid has a phase and a b. solute/solvent a. solution/solute d. 133 amu 33. The addition of sodium chloride to water will cause the boiling point of solution to increase above that of pure water. What is happening on the molecular level to cause this to happen? a. The ions at the surface are blocking water molecules from leaving until they attain a higher kinetic energy. b. The ions are forming precipitates with water that fall to the bottom of the container. c. The water is ionized by the ions and the new set of ions form an ionic compound that is nonvolatile. phase. c. dispersed/continuous d. solid/solute 35. 5.63 grams of LiBr dissolved in 78.0 grams of water. What is the molality of this LiBr solution? c. 0.536 m d. 0.831 m b. 0.684 m a. 0.979 m 36. "The component of a solution in smaller amount" is our textbook's definition of what? b. solvent a. colloid c. precipitate d. solute 37. "The resistance to flow that is exhibited by all liquids and gases" is called what? b. surface tension a. viscosity c. capillary action tools to d. fluid laglod 38. Selenium tetrabromide has a vapor pressure of 757 mmHg at 145°C and 422 mmHg at 85°C. What is the heat of vaporization of selenium tetrabromide? a. 6.45 kJ b. 10.1 kJ c. 8.58 kJ d. 12.1 kJ 39. "The temperature at which the vapor pressure of a liquid equals the pressure exerted on the liquid" is called what? c. the critical pressure d. the critical point a. the triple point b. the boiling point 40. 5.63 grams of LiBr is dissolved in 78.0 grams of water. What is the mole fraction of LiBr in this solution? b. 0.0122 a. 0.00955 c. 0.0147 d. 0.0173 41. "The tendency of atoms in molecules to have eight electrons in their valence shells" is the a. eight b. valence c. full shell d. octet rule. 42. A solution consists of sodium chloride solid dissolved in water. How will the solubility of the sodium chloride be affected by the increase in pressure above the solution? a. It will increase. b. It will decrease. c. It will remain unchanged.
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