An animal cell contains a nucleus and other organelles suspended in a watery solution that is encased in a flexible cell membrane. which of the following physical models would best represent an animal cell?

The reaction q+r2=r2q is found to be first order in r2 and

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.

In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j