5. Categorize each item as either a pure substance or a mixture. (a) chocolate pudding
(b) gold necklace
(c) bleach
(d) helium gas
(e) unfiltered tap water

Compare these two waves : a. the blue wave has a higher pitch, but the orange wave is louder. b.the blue and orange waves have the same volume, but the blue wave has a higher pitch. c.the blue and orange waves have the same pitch, but the blue wave is louder. d.the orange wave has a higher pitch, but the blue wave is louder.

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning