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Intermolecular Forces and Physical Properties

Q. Select the compound that will tend to form ion-dipole interactions when dissolved in water

Solved • Dec 7, 2019

Weak Bases

Q. A 0.375 M solution of piperidine (C5H10NH, a weak base) is 5.73% dissociated. Determine the value of Kb for piperidine.

Solved • Dec 7, 2019

Hybridization

Q. What is something that the valence bond theory (hybrid orbitals) tells that the VSEPR theory does not?

Solved • Dec 8, 2019

Molecular vs Electron Geometry

Q. What is something that the VSEPR theory tells that NGEC and Formal Charge do not?

Solved • Dec 8, 2019

Solution Stoichiometry

Q. What is the molarity of 0.792 m of C6H12O6, if the solution density is 1.16 g/mL? Molar mass (C6H12O6)=180.16 g a) 0.740 M b) 7.88 M c) 4.11 M d) 1.27 M e) 0.804 M

Solved • Dec 7, 2019

Heating and Cooling Curves

Q. Determine how much energy is required to vaporize 35.0 g of C2Cl3F3(l) at 47.6 °C. ΔHvap C2Cl3F3 = 27.49 kJ/mol. Molar mass of C2Cl3F3 = 189.37 g.

Solved • Dec 7, 2019

Unit Cell

Q. If a metal crystallizes in a body-centered cubic lattice, each metal atom has a coordination number ("nearest neighbors") of what?

Solved • Dec 7, 2019