What wavelength of light does this correspond

Assignment Help Chemistry
Reference no: EM13706393

Problem- Cesium metal is frequently used in photoelectric cells because the amount of energy necessary to eject electrons from a cesium surface is relatively small -only 188 kJ/mol. What wavelength of light (in nanometers) does this correspond to?

Please demonstrate the entire work. I am thanking you in advance

Reference no: EM13706393

Questions Cloud

Estimate what is the work done by friction : A skier of mass 68.4 kg glides down a hill of slope 26.5o at constant speed. If she travels a distance 35.0m down the hill, What is the work done by friction
Find the maximum theoretical efficiency of this power plant : An experimental power plant at the Natural Energy Laboratory of Hawaii generates electricity from the temperature gradient of the ocean. What is the maximum theoretical efficiency of this power plant
Adipic acid and aromatic disocyanate and filled a u-haul : Problem- Practice in density calculations. Some pranksters managed to get a hold of some ethylene glycol, adipic acid and aromatic disocyanate and filled a U-Haul pickup truck full of polyurethane foam. A U-Haul pickup truck has a volume of 75.5 c..
What is the speed that bert reaches as he is pushed : Al and Bert stand in the middle of a large frozen lake (frictionless surface). Al pushes on Bert with a force of 20 N for 1.6 s. What is the speed that Bert reaches as he is pushed away from Al
What wavelength of light does this correspond : Problem- Cesium metal is frequently used in photoelectric cells because the amount of energy necessary to eject electrons from a cesium surface is relatively small -only 188 kJ/mol. What wavelength of light (in nanometers) does this correspond to
Find by what percentage does the power delivered : In an automobile, the system voltage varies from about 12 V when the car is off to about 14.1V, By what percentage does the power delivered to the headlights vary as the voltage changes from 12 V to 14.1V
What is the relative percent error in the student''s value : Problem- The accepted value for the density of a certain liquid is 1.11 g/mL. A student obtains an average density of 1.09 g/mL. What is the relative percent error in the student's value
What is the electric field from the sheet : At a distance of 0.206cm from a large uniform sheet of charge, the electric field is 485N/C. What is the electric field 1.19cm from the sheet
What is the density of the material in grams per centimeters : Problem- A rectangle of length 5.42 in., height 3.47 cm, and depth 309 mm has a mass of 147.2 ounces. What is the density of the material in grams per centimeters

Reviews

Write a Review

Chemistry Questions & Answers

  Explain one mole of water h2o and one mole of ethanol c2h5oh

Consider two samples of liquid: one mole of water H2O and one mole of ethanol C2H5OH. The density of water is 1.0 g/mL, and the density of ethanol is 0.785 g/mL. Answer each of the following questions by selecting the correct choice.

  Compute the percent yield of the reaction

Suppose a student mixed 60.6 g of toluene with 48.8 g of nitric acid and recovered 11.5 g of TNT. Find out which was the limiting reagent and Compute the percent yield of the reaction

  Explain what volume in liters would the sample occupy

A chemical reaction produces 1.77 moles of oxygen gas at 27 degrees Celsius and 0.933 atm. What volume in liters would this sample occupy

  Explain what maximum length of aluminum lil can be made

Given that the density of aluminum is 2.70g/cm^3, What maximum length of aluminum lil can be made from 1.10 kg of aluminum?

  Explain what was the initial volume of the system

The piston is working against a pressure of 0.500 atm. The final volume of the system is 58.0 L. Explain what was the initial volume of the system if the internal energy of the system decreased by 102.2 J

  Calculate the change in entropy

calculate the change in entropy when 25KJ of energy is transferred reversibly and isothermally as heat to a large block of iron at (a) 0C and (b) 100c.

  Explain the same heat capacities as pure water

Find out q for the acid-base reaction, presuming that the liquid a have densities of 1.00 g/mL and the same heat capacities as pure water

  Explain the half-reaction that occurs at the cathode

The two half-cells are connected by a salt bridge. Aluminum metal is oxidized during operation of the voltaic cell. What is the half-reaction that occurs at the cathode

  Explain reaction occurs in the formation of amylose

Another common polymer is polystyrene. Its monomer, styrene, is shown below. What kind of polymerization reaction occurs in the formation of amylose. Polystyrene.

  Define what is the pressure in the bottle

A 2.0 L glass soda bottle filled with air is tightly capped 18degC and 686mmHg. If the bottle is placed water at 95degC, what is the pressure in the bottle

  Explain what is the freezing point of ethylene

A solution of ethylene and water has a boiling point of 109.8C. What is the freezing point

  Define amount of heat produced in a neutralization reaction

Does doubling the volume (not concentration) of acid and base double the amount of heat produced in a neutralization reaction

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