One molecule of caffeine contains 88 atoms of carbon, 1010 atoms of hydrogen, 44 atoms of nitrogen, and 22 atoms of oxygen. Write the formula for caffeine with the elements in the order that they are given.

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

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 is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5