How many moles of kcl is in a 3m solution of kcl

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d