PLEASE HELP 9. What wavelength (~) of radiation has photons of energy (E) at 2.87 x 10^-16 J?

10. A photon of visible light has a frequency (v) of 4.3 x 10^14 s^-1. What is the energy (E) of this photon?

11. Calculate the energy(E) of a photon of radiation whose wavelength() is 322nm.
Note: (1nm=1x10-9-m)

12. What wavelength(2) of radiation has photons of energy (E) at 2.87 x 10^-16 J?

What is the empirical formula for c4h8o2

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

Can someone check my work 98 5.05 acids and bases for this assignment you will be comparing acids and bases. the chart below will you organize the information needed: acids bases chemical properties (2) deodorant detergent vinger dish soap physical properties (2) orange juice toilet cleaner drain cleaner window cleaner ph level acid ph goes from 0-4 bases ph goes from 10-14 examples around you (2) vinger coffee lemon juice dark chocolate