Mr. Cray’s class pulled with 134 Newtons. Mrs. Prudhomme’s class pulled with 128 Newtons. What was the net force and who won?

Which of the following is a compound? a. carbon b. oxygen c. hydrogen d. water

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

Calculate the expected ph values of the buffer systems from the experiments (a, b,c, d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.