Blood is buffered by carbonic acid and the bicarbonate ion. normal blood plasma is 0.024 m in hco3- and 0.0012 m h2co3 (pka1 for h2co3 at body temperature is 6.1). a. what is the ph of blood plasma? b. 5.0l, whatmassofhcl can be neutralized by the buffering system in blood before the ph falls below 7.0 (which would result in death)? c. given the volume from part (b), what mass of na

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere