The energy of a photon that has a wavelength of 12.3 nm is ...

[viki]

The energy of a photon that has a wavelength of 12.3 nm is ________ J.
 
  A) 1.51  10-17
  B) 4.42  10-23
  C) 1.99  10-25
  D) 2.72  10-50
  E) 1.62  10-17

Question 2

Classify the following compounds as weak acids (W) or strong acids (S): hydrocyanic acid hydrofluoric acid phenol
 
  A) W W W
  B) S S S
  C) S W W
  D) W S S
  E) W S W

[kristenb95]

Answer to Question 1

E

Answer to Question 2

A

[viki]

Wow, this really help

[LVPMS]

Thanks for the timely response, appreciate it