The car is heading north covering a distance of 500 meters in 20 seconds. What is the car’s velocity?

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.

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as