Which of these elements could be used in industry to control electron flow? Select one :
a . sulfur
b . antimony
c . titanium
d. bromine
e. calcium

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?

How do i turn 2 s into one in the products

Increasing the substrate concentration in an enzymatic reaction could overcome which of the following? a) the need for a coenzymeb) allosteric inhibitionc) competitive inhibitiond) insufficient cofactors