The Physics
Opus in profectus

The Atomic Nature of Matter

search icon



  1. Verify the following claims about the mole.
    1. A mole of dollar bills would make a stack almost 7000 light years high.
    2. A mole of mini marshmallows would cover the Earth to a depth of about 1 kilometer.
    3. A mole of standard men would weigh about 7 Earth masses.
    4. A mole of food calories could feed every person on Earth for about 94 million years.
    5. Counting a mole of anything at a rate of one object per second would take about 19 quadrillion years.
  2. Write something else.
  3. Write something different.
  4. Write something completely different.


  1. problem