Areaction that requires free energy: . a. must be endothermic.. b. is nonspontaneous.. c. must correspond to a decrease in entropy.. d. is spontaneous.

Which lists the organs in the correct order as food passes from the mouth to anus?

Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)

Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block