Evaluate the wavelength of the light

Assignment Help Chemistry
Reference no: EM13287227

When light of frequency 6.88×1015 s-1 shines on the surface of a metal, electrons are ejected with a maximum kinetic energy of 3.40×10-19 J. Calculate the wavelength of this light.

Reference no: EM13287227

Questions Cloud

Consider a class called contact to use in a mobile phone : Consider a class called Contact to use in a mobile phone contact list. Draw a UML diagram for this class with three attributes of your choosing and accessor and mutator methods for each attribute. (use | and --- for the boxes)
List the perceived deficiencies of the four not selected : Which two of the six methods used to evaluate projects, and to decide whether or not they should be accepted, do you prefer as a financial manager? Explain why you decided on these two and not the other four. List the perceived deficiencies of the..
Explain the heat capacity of the calorimeter : The observed temperature increase is 2.64 °C. If the heat capacity of the calorimeter is 32.30 kJ·K^-1, how many nutritional Calories are there per gram of the candy
What are the possible reactions from the field : What are the possible reactions from the field
Evaluate the wavelength of the light : When light of frequency 6.88×1015 s-1 shines on the surface of a metal, electrons are ejected with a maximum kinetic energy of 3.40×10-19 J. Calculate the wavelength of this light.
Describe and explain how the velocity varies with time : suppose that a projectile which is subject to a linear resistive force is thrown down with a speed of Vyo, Describe and explain how the velocity varies with time, and make a plot of Vy against t
Calculate the resistance of the heater and the rms current : An electric heater draws an average power of 1100 Watts when plugged into a 110 V-rms outlet. Calculate the resistance of the heater and the rms current.
Compute the magnitude of the acceleration of a proton : A small glass bead has been charged to + 30{\rm nC}. What is the magnitude of the acceleration of a proton that is 3.0{\rm cm} from the center of the bead
Compute the enthalpy change for the reaction per mole of x : Calculate the enthalpy change for this reaction per mole of "X". Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 J/g*C and 1.00g/mL ] and that no heat is lost to the calorimeter itself, nor to ..

Reviews

Write a Review

Chemistry Questions & Answers

  State how many grams of lithium bromide must be added

how many grams of lithium bromide must be added to 35 grams of water to make a solution

  Explain and identify the characteristic of a solution

identify the following as characteristic of a solution, colloid, or suspension: a)particles of this mixture remain inside a semipermiable membrane, but pass through filters. b)the particles of solute in this mixture are very large and visible.

  State and draw the chemical structure of a molecule

Draw the chemical structure of a molecule of your design that meets all of the following requirements while also being chemically 'reasonable' ('reasonable' based on a general chemistry, Chem 110/112 knowledge of chemical structure and bonding).

  Explain and identify the weaker acid

Identify the weaker acid in each of the following pairs: a)HNO3 or HCO3^- b)HSO4^- or H2O c)H2SO4 or H2CO3

  Explain bromination of acetinilde how many equivalents

based on the experament of bromination of acetinilde how many equivalents of CAN of 0.00555 moles relative to acetanilide moles of 0.00381 show your calculation

  What is the oxidizing agent

What is the oxidizing agent?

  Explain what is mass of naoh

What mass of NaOH (s) must be added to 1.0 L of 0.050 M NH3 to ensure that the percent ionization of NH3 is no greater than 0.0010%? Assume no volume change on addition of NaOH. Kb NH3=1.8 x10^-5

  Explain what is the molar solubility of caf2

What is the molar solubility of CaF2 in 0.10 M NaF solution at 25°C? The Ksp for CaF2 is 1.5x10^-10.

  Compute the freezing point and boiling point of the solution

Calculate the freezing point and boiling point of the solution. Kf benzene = 5.12 C/m Kb = 2.53 C/m

  State and write a balance equations for both half-reactions

Write a balance equations for both half-reactions for the redox. combine them to determine the overall balanced

  How much kj of energy are needed

A 21.10 g sample of liquid ethanol is initially at -36.90 oC. If the sample is heated at constant pressure (P = 1 atm.), how much kJ of energy are needed to raise the temperature of the sample to 100.60 oC.

  Explain na2co3 starting with the solid solute

Describe how you would prepare each of the following aqueous solutions. - 230 g of a solution that is 0.60 molal in Na2CO3 starting with the solid solute.

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