38. On a relative basis, the weaker the intermolecular forces in a substance, (A)the greater its heat of vaporization. (B)the more it deviates from ideal gas behavior. (C)the greater its vapor pressure at a particular temperature. (D)the higher its melting point. (E)none of these.

7. Which of the following solutions contains the greatest total ion concentration? (A)One mole of potassium chloride dissolved in 1.0 L of solution. (B)One mole of iron(II) nitrate dissolved in 1.0 L of solution. (C)One mole of potassium hydroxide dissolved in 1.0 L of solution. (D)One mole of sodium phosphate dissolved in 1.0 L of solution. (E)At least two of the above solutions have an equal number of ions, and these contain the greatest total ion concentration.

38. On a relative basis, the weaker the intermolecular forces in a substance,
(A)the greater its heat of vaporization.
(B)the more it deviates from ideal gas behavior.
(C)the greater its vapor pressure at a particular temperature.
(D)the higher its melting point.
(E)none of these.

相關試題

相關試卷