When a nutrient moves, with the help of a carrier, from an area of higher solute concentration into an absorptive cell where the concentration is lower, this is called .a. phagocytosis. b. passive diffusion. c. facilitated diffusion. d. active absorption.

What is a property of a double replacement reaction

When a scientific theory has been tested and proved by the scientific community, it becomes a law

Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.