Copper has atomic mass 64 and density 8.95 grams per cubic centimeter. (a) What is the diameter of a copper atom in solid copper? (b) The Young’s Modulus for copper is 12e10 N/m2 . What is the stiffness of the interatomic bond?

In which of the following would the particles move most rapidly? a. ice at -20 °c b. water at 20 °c c. steam at 110 °c d. boiling water e. ice at 0 °c

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.

Diverging mirrors and lenses always produce images