Which is true? A. Water surrounds you all the time.
B. Water vapor seldom moves.
C. Water vapor does not exist in the driest deserts.
D. Water is only found in liquid form.

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.

How have the greenhouse gasses increased from the year 2000 to 2018

Imagine that twenty i. u.’s of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?