What is the cell potential of an electrochemical cell that has the half-reactions shown below?
Fe3+ + e-+ Fe2+
Cu → Cu2+ + 2e-
A. 1.2 V
B. 0.43 V
C. - 0.43 V
D. 1.1 V

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

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

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.