For the reaction 2zn +o2 2ZnO, how many moles of zinc oxide can be produced from 4.5 moles of oxygen

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

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

What are the major types of a chemical compound