Describe how the HP nitrogen gas, LP nitrogen gas, nitrogen reflux, oxygen rich liquid are produced from the high-pressure lower column

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.