Look at the structure of ethane below and answer the following questions:

A. Calculate the electronegativity difference between the C and H atoms using the table below.

B. Where would the partial + and - changes be?

C. Is the ethane molecule more or less polar than water? Why or why not?

D. If the oceans were filled with ethane rather than water how might they be different? (Hint: think about hydrogen bonding)