What is the capacity to do work known as? A. Heat
Ο Ο Ο
O B. Energy
O C. Power
O D. Force

Does the energy in a solid increase or decrease when changing to a liquid?

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene