Rock candy is a type of candy made by dissolving sugar in hot water and then cooling the solution so that large sugar crystals form. What type of solution results from dissolving 400 g of sugar in boiling water and then allowing the solution to cool to room temperature (20 ˚C)

Two loudspeakers, 5.5 m apart and facing each other, play identical sounds of the same frequency. you stand halfway between them, where there is a maximum of sound intensity. moving from this point toward one of the speakers, you encounter a minimum of sound intensity when you have moved 0.33 m . assume the speed of sound is 340 m/s.part a) what is the frequency of the sound? part b) if the frequency is then increased while you remain 0.21 m from the center, what is the first frequency for which that location will be a maximum of sound intensity? express your answer to two significant figures and include the appropriate units.