How many photons are in the laser pulse

Assignment Help Chemistry
Reference no: EM13166516

A laser pulse with wavelength 555 contains 4.40 of energy. How many photons are in the laser pulse?

Reference no: EM13166516

Questions Cloud

Allocate fixed costs are assigned based on relative sales : Computer Boutique sells computer equipment and home office furniture. Currently, the furniture product line takes up approximately 50% of the company's retail floor space.
Marketing techniques : Public relations or marketing for a nonprofit may include roles such as helping communicate the strategic goals to the public, reaching potential donors and customers, and unfortunately at times, handling crises. What marketing techniques have you ob..
Compute the concentrations of all species solution : Calculate the concentrations of all species in a 1.00 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
Explain the ability of an electron to cross through a node : How can we explain the ability of an electron to cross through a node, such as the nucleus, to occupy the region within an entire orbital?
How many photons are in the laser pulse : A laser pulse with wavelength 555 contains 4.40 of energy. How many photons are in the laser pulse?
What is the composition of the mixture by volume : A gas mixture composed of helium and argon has a density of 0.727g/L at a 755mmHg and 298K .What is the composition of the mixture by volume?
State what is the ph of this buffer solution : What is the pH of this buffer solution? (Neglect the volume change that occurs with addition of solid sodium nitrite) b.) Calculate the pH when 2.00 mL of 0.0275 M NaOH are added to 50.0 mL of buffer solution.
Which substances form molecular crystals in solid form : Which of the following substances form molecular crystals in solid form?
Compute the alberts net tax payable : The Alberts would like to know how much the mortgage payments would increase net of any change in their income tax.

Reviews

Write a Review

Chemistry Questions & Answers

  What is the ph of a solution

what is the pH of a solution prepared by dissolving 4.5 g HCl in water to make 410 mL of solution?

  Define decrease in volume of the solution

Consider the reaction CH3Br(aq) + OH-(aq) ? CH3OH(aq) + Br-(aq). How would each of the following changes affect the rate of the forward reaction? a) addition of OH-? b) decrease in volume of the solution

  What percent of calories are from fat

A snack pack of potato chips holds 28 grams of chips. Based on your data, how much fat is present in a snack pack? In such a bag of chips, there are about 15 grams of carbohydrate and about 1 gram of protein.

  Define the reaction between ethyl iodide and hydroxide ion

The reaction between ethyl iodide and hydroxide ion in ethanol (c2h5oh) solution, c2h5oh + oh --> c2h5oh + I, has an activation energy of 86.8 kj/mol and a frequency factor of 2.1 x 10^ 11

  How many liters of oxygen collected over h2o

How many liters of oxygen collected over H2O and measured at 27 degrees Celsius and 745.0 mm Hg can be prepared by decomposing 4.421 grams of gold (III) oxide? The vapor pressure of H2O at 27 degrees Celsius is 26.7 mm Hg.

  Explain how many moles of hydrochloric acid are required

Calculate how much heat is required to added or removed to convert 100.0 g of steam at 115 0C to liquid water at 65 0C?

  What is the value of the rate constant

For the reaction, A = B + C, the rate law is k[A]. If it takes 80.0 seconds for 70.0% of a 10.0 gram sample of A to be transformed into products, what is the value of the rate constant.

  What precipitate forms

A solution of 116 mL of 0.170 M KOH is mixed with a solution of 230 mL of 0.240 M NiSO4. What precipitate forms?

  State water obtained from a river that flows past farmland

What are some of the differences between water obtained from a river that flows past farmland and water obtained five miles

  What is the ph of the resulting hydrochloric acid solution

0.25 g of hydrogen chloride HCl is dissolved in water to make 8.0 L of solution. What is the pH of the resulting hydrochloric acid solution?

  State what is the kinetic energy of an electron

Electrons are ejected from sodium metal by any light that has a wavelength shorter than 544 nm. What is the kinetic energy of an electron

  What is the pressure inside the cylinder

A 48.0-L gas cylinder contains 249 mol of H2 gas at 298 K. What is the pressure inside the cylinder.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd