Which statement is true for any electrochemical cell?
(1) oxidation occurs at the anode, only.(2) reduction occurs at the anode, only.(3) oxidation occurs at both the anode and the cathode.(4) reduction occurs at both the anode and the cathode.

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

Calculate the number of molecules present in 0.750 mol of mgo.

Why does his teacher ask him to balance the equation by including the correct coefficient