Are your knees the elbows of your legs or are your elbows the knees of your arms?
A. knees are elbows of your legs
B. elbows are knees of your arms
C. both

Which of the following might a chemist choose to study? a. glacier movement in alaska b. better ways to recycle plastics c. the effects of hurricanes on turtle populations d. the vibrations in bridges caused by big trucks

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.

What energy is it when you flip on a switch on a lamp