When sodium is heated, a yellow spectral line whose energy is 3.37 x 10-19 J per photon is produced. Plank’s constant, h, equal 6.626 x 10-34 J•s. a) What is the frequency of this light. b) What is the
wavelength of this light? Show all equations, work, and units.

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?

Convert .347 kilometers to miles show your work