If the following amino acid (iso-electric point-9.74) in acidic solution is completely titrated with Sodium hydroxide, what will
be its charge at pH 3,7 and 11?​

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?