Determine the ph of a 0.14 m solution of pyridinium nitrate (c5h5nhno3) at 25°c. [pyridinium nitrate dissociates in water to give pyridinium ions (c5h5nh+), the conjugate acid of pyridine (kb = 1.7 × 10−9), and nitrate ions (no3−).]

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat