Answer the following questions in correct space given circle the bold options fo

Question

Answer the following questions in correct space given circle the bold options for credit: a. As temperature increases the solubility of a gas is b. If we have an non ideal solution, the strength of IMF between A-A and B-B is stronger than the strength of total vapor pressure will be greater or lower than expected: c. The depression of freezing point of a solution is dependent on: a. Strength of IMF b. Amount of solute c. Polarity of solvent d. Amount of solution d. The average kinetic energy increases or decreases once molecules evaporate e. Boling point of water is greater or lower than normal boiling point above sea level f. On a phase diagram what is the point called where gas liquid and solid physical states are possible. g. What is the coordination number of a tetrahedral hole h. If the radius of cation is 97 pm and the radius of anion is 181 pm what type of Unit cell does the crystal lattice? i. Fe^2+is what type of solid: a. Ionic solid b. Molecular solid c. Nonbonding solid d. Network covalent e. Metallic solid j. What type of particle is at the lattice point for nonbonding solid 2. Show if the following molecules are polar or non-polar as well as type of IMF. (show all calculations and dipole moments) 3. Would BCl_2S or CH_3NH_3would have the slowest rate of evaporation and Why?

Explanation / Answer

(1)

a. If temerature increases solubility of a gas is decreases.

b.

If we have non ideal solutions,the strength of IMF between A-A and B-B is stronger than the strength of A-B .The total vapor pressure is more than expacted.

c.

The depression of freezing point of a solution is dependent on

The freezing point of the solvent in a solution changes as the concentration of the solute in the solution changes .So it depend on amount of solute.

d. The average kinetic energy is lower once molecules eveporates.

e. The boiling point of water is greater then normal boiling point above sea level.

f. triple point

g. coordination number is 4.

h.

cation/anion=97/181=0.536. So it is octahedral.(rcation/ranion=between 0.414 to0.73)

i.

Fe is Mettalic solid.

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