Straighterline Chemistry Final Exam Questions with Complete Solutions Latest

Straighterline Chemistry Final Exam Questions with Complete Solutions Latest Krypton has a higher melting point than argon because of its Select one: a. hydrogen bonding. b. stronger dispersion forces. c. permanent dipole moment. d. ionic bonds. e. greater ionization energy. - Answer-b. stronger dispersion forces. Lead crystallizes in the face-centered cubic lattice. What is the coordination number for Pb? Select one: a. 4 b. 6 c. 8 d. 10 e. 12 - Answer-e. 12 What states that the solubility of a gas in a liquid is proportional to the pressure of the gas over the solution? Select one: a. Entropy b. Henry's law c. Dissolution d. Vapor pressure e. Enthalpy of salvation - Answer-b. Henry's law Which of the following pairs of liquids is least likely to be miscible? Select one: a. Hexane-heptane b. Hexane-benzene c. Hexane-acetic acid d. Hexane-diethyl ether e. Acetic acid-acetone - Answer-c. Hexane-acetic acid What is the name given to a solution that contains less solute than it has the capacity to dissolve? Select one: a. Unsaturated b. Saturated c. Solvented d. Oversaturated e. Supersaturated - Answer-a. Unsaturated An emulsion is a dispersion consisting of a Select one: a. solid in a liquid. b. liquid in a liquid. c. gas in a liquid. d. liquid in a solid. e. gas in a solid. - Answer-b. liquid in a liquid. Which is true regarding the solvation of a solute in a solvent? Select one: a. Separation of solute molecules from one another is an endothermic process, and separation of solvent molecules from one another is an exothermic process. b. Separation of solute molecules from one another is an exothermic process, and separation of solvent molecules from one another is an endothermic process. c. Separation of solute molecules from one another, and separation of solvent molecules from one another, are both endothermic processes. d. Separation of solute molecules from one another, and separation of solvent molecules from one another, are both exothermic processes. e. Separation of solute molecules from one another, and separation of solvent molecules from one another, both result in a decrease in entropy. - Answer-b. Separation of solute molecules from one another is an exothermic process, and separation of solvent molecules from one another is an endothermic process. What name is given to a minor component in a solution? Select one: a. Solvent b. Unsaturated c. Saturated d. Solute e. Supersaturated - Answer-d. Solute