1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ahat [919]
3 years ago
6

If an ultraviolet photon has a wavelength of 77.8 nm calculate the energy of one mole ultraviolet photon.

Chemistry
1 answer:
DerKrebs [107]3 years ago
7 0

Answer:

Explanation:

E = (hc)/(λ)

E = (6.624x10^(-27))Js x ((3×10^8)ms^(-1)) /

(77.8x10^(-9)m)

E = 2.55 x 10^(-11) J

You might be interested in
Draw the product of the hydrogenation of cis-2-pentene. draw all hydrogen atoms. g
Snowcat [4.5K]
Hope the diagram below will help you. when a C=C is hydrogenated it gains 2 hydrogens turning it into a C-C.

Hope that helps 

5 0
3 years ago
Read 2 more answers
I don’t understand this question and need help!!
Dafna1 [17]
Medium about 3 second? Not sure lol just need more points honestly lol
6 0
2 years ago
What is the chemical name for N2O3?
Advocard [28]
Correct answer Is Dinitrogen Trioxide
7 0
4 years ago
Read 2 more answers
12 POINTS!!!! Consider the diagram. Which postulate of the kinetic-molecular theory best describes the event in the diagram?
podryga [215]
The separation of molecules. I wouldn't put that if i were you.
8 0
3 years ago
Read 2 more answers
The disturbance of a supersaturated solution will cause
Flura [38]
The disturbance of a supersaturated solution will cause precipitation. A supersaturated solution is a solution that contains more solute than the solvent can dissolve. When this type of solution is disturbed like when it is moved, the formation of a solid is observed immediately.
3 0
4 years ago
Other questions:
  • 0.25 g Al equals how many moles?
    15·2 answers
  • In science class, Jake mixed water with differing amounts of an unknown liquid. After mixing the liquids, he heated 20 millilite
    15·1 answer
  • Nitrogen makes up what percentage of the mass of the human body
    14·2 answers
  • In a polar, covalent bond, why might one area of a molecule be more negative than other areas of the molecule?
    12·2 answers
  • 0.023ml= blank cl <br> PLEASE HELP
    7·1 answer
  • How do jet streamsinfluence the weather?
    6·2 answers
  • What is the type of bond holding hydrogen and oxygen atoms together in a single h2o molecule? What is the type of bond holding h
    11·1 answer
  • Where does the force that helps sediment become sedimentary rock come from?
    7·2 answers
  • What type of bond involves the unequal sharing of electrons.
    7·1 answer
  • I Need this today really bad... please help.
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!