When using a slinky, you get compressions and rarefactions after a pulse. How do these properties of a longitudinal wave relate to wavelength and amplitude?

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.