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
Natalka [10]
4 years ago
7

A photon has a wavelength of 3.8 x 10^-7 meters, what is the energy of this photon?

Chemistry
2 answers:
Korvikt [17]4 years ago
5 0
Energy  E = hc / l 

where h = Planck's constant, c = speed of light and l = wavelength.

E = 1.986 * 10^-25  / 3.8 * 10^-7 =   5.223*10^-19
Sphinxa [80]4 years ago
5 0

Wavelength of photon, λ = 3.8 × 10-7 meters

Frequency of photon,  

Thus, energy of photon,  

= 5.2276 × 10-19 joules

The energy of a photon having a wavelength of 3.8 × 10-7 meters is 5.2275 × 10-19 joules.

You might be interested in
______is used in production of hard disk. 1 platinum 2 silver 3 gold
julia-pushkina [17]

Answer:

platinum

Explanation:

the film on a hard drive platter contains platinum

6 0
3 years ago
Please help me! I would appreciate it if you can!
ELEN [110]

Answer:

meteorologist, barometers, anemometer, thermometer, balloon, satellites, station models, isotherms, isobars

Explanation:

4 0
3 years ago
How was urea originally produced in the lab according to the text?
Naddik [55]
Friedrich Wohler was working with Ammonium Cyanate and found crystals of urea in his beakers
5 0
4 years ago
Read 2 more answers
What is formed when the number of electrons is changed?
aleksley [76]

Answer:

Explanation:

Whether the electrons are added or given away makes no difference to the name given to parent atom -- It is called an ion which means that it has a charge. The word atom is reserved for something on the periodic table that has no charge.

7 0
3 years ago
Please I need help with Chemistry ! Questions in attachment, I'LL GIVE THE BRAINLEST AND POINTS ! I need it soon !!
ludmilkaskok [199]

Answer:

1)

A) Bromine

B) Lithium

C) Calcium

D) Sodium

E) Actinium

2)

Carbon: 60

Magnesium 24 times

bromine is 14 times

3)

24 times

8/3 times

4)

Hydrogen

Helium

5)

Explanation:

7 0
3 years ago
Other questions:
  • Polyethylene is a synthetic polymer or plastic with many uses. 1.36 g of a polyethylene sample was dissolved in enough benzene t
    12·1 answer
  • xrays are used to diagnose diseases of internal body organs. What is the frequency of an X ray with a wavelentgh of 1.15*10^-10
    7·2 answers
  • An unbalanced chemical equation for the reaction of boron fluoride with lithium sulfite is shown below.
    12·1 answer
  • Energy conversions _____. can lose energy as sound can be 100 percent efficient if controlled properly are calculated by multipl
    10·2 answers
  • Convert -12.00 degrees Celsius to the unit Kelvin. 296.15 K 261.15 K -285.15 K -162.85 K
    12·1 answer
  • Which chemicals would be the best indicator that the unknown substance is a plant?
    14·1 answer
  • How do scientists and engineers use scientific methods
    13·2 answers
  • 7. A 26.4-ml sample of ethylene gas, C2H4, has a pres-sure of 2.50 atm at 2.5°C. If the
    5·1 answer
  • How many atoms of oxygen are in 1.5 moles in H2SO4?
    7·1 answer
  • What happens in a displacement reaction
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!