Atechnique that uses a porous barrier to separate heterogeneous mixtures is ?

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o

According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.

What volume of a 0.0606 m solution of strontium bromide is needed to obtain 0.340 mol of the compound? question 42 options: a)5.61 l b) 3.4 l c) 600 ml d) 1 l e) 178 ml