Mandelic acid has a specific rotation of -158 degrees. What would be the specific rotation of a silution containing 40% (-) mandelic acid and 60% (+) mandelic acid?

How would you reduce the volume of gas

Type the letter that represents the correct location for each particle type below.

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.