What is the longest wavelength of light

Assignment Help Chemistry
Reference no: EM13136053

It takes 245 kJ/mol to eject electrons from a certain metal surface. What is the longest wavelength of light (nm) that can be used to eject electrons from the surface of this metal via the photoelectric effect?

Reference no: EM13136053

Questions Cloud

What do you think we should do in the “eal world : Lou was overjoyed that the deal was completed and told Judy to go out to diner with her husband and charge it to the bank as a reward for a job well done. To make it a “reimbursable” expense he told Judy to indicate she had diner with one of Ac..
Confidence interval for true proportion of all voters : Ffavor approval of an issue before the legislature. Construct the 95% confidence interval for the true proportion of all voters in the state who favor approval.
Break even point in units and in sales dollars : Kettle goods company has a unit selling price of 500 $, variable cost per unit $ 300 and fixed costs of $170,000. Compute the break even point in units and in sales dollars.
What is the company inventory turnover : A company had gross profit of $134,200 on net sales of $205,000. If ending inventory was $8,000 and average inventory was $7,080, what is the company's inventory turnover.
What is the longest wavelength of light : It takes 245 kJ/mol to eject electrons from a certain metal surface. What is the longest wavelength of light (nm) that can be used to eject electrons from the surface of this metal via the photoelectric effect?
Developing and proposing policy plan : When developing and proposing a budget for a policy plan, why is it important to address contingency plans? What strategies might you use to ensure that funds are properly allocated throughout the planning and implementation of a plan?
Examples of statistical techniques : What are examples of statistical techniques that managers can use to simulate business situations, optimize variables, and forecast sales or other figures?
What controls can cfo place to prevent them : Given the enormous responsibilities CFOs hold, they should have a good understanding of those deliberate frauds on the part of employees. Could you name some common types of frauds? What controls can CFO place to prevent them?
Find the z score for a cd player will break down : What is the z score for a cd player will break down during the guarantee period of 2 years? The statement that the cd player breaks during the 2-year.

Reviews

Write a Review

Chemistry Questions & Answers

  What is the new volume of the oxygen

A 10 liter sample of oxygen 0.0°C and 15 cm. pressure is subjected to 150 cm. pressure at the same temperature. What is the new volume of the oxygen?

  Explain electrolytes and molarity

Electrolytes and Molarity, Iii)salt is added to 81.4 g of water? iv) Identify the electrolytes and the non-electrolytes among the following compounds

  Determine compound having greater ksp

Determine compound having greater Ksp or compound having smaller Ksp ? compute [Ag + ] when CuI just start to precipitate.  What % of Ag + remains in solution at this point?

  What mass in grams should the chemist use

A chemist wants to make 6.5 L of a 0.270 M solution. What mass in grams should the chemist use?

  Calculate g for an sulphur trioxide

Consider the reaction CuSO4(s) ! CuO(s) + SO3(g) . If G? = -14.6 kJ at 950?C for this reaction, calculate G for an SO3(g) pressure of 50 bar at this temperature.

  The rate constant increases by a factor

The rate constant increases by a factor of 2.00 when the temperature is increased from 80 C to 115 C. estimate the arrhenius activation energy.

  What is the equilibrium partial pressure of the n2o4

A rigid flask is initially filled with 4.00 atm of NO2(g) and no N2O4(g) at 100 C. After equilibrium is achieved, the pressure of NO2 is 1.56 atm.

  Which carboxyl group is more acidic in chlorohexanedioic

Which carboxyl group is more acidic in 3-chlorohexanedioic acid? The 2 carboxyl groups in 3-chlorohexanedioic acid are not equivalent and have different dissociation constants

  What was the initial pressure of the gas in the cylinder

Find the temperature and the pressure of a gas inside the cylinder - what was the initial pressure of the gas in the cylinder?

  Calculate the work done dissolves in excess acid

Calculate the work done (in Joules) when 33.3g of tin dissolves in excess acid at 1.04 atm and 22 degrees C. Assume ideal gas behavior.

  Explain derive the fractional compositions for monoprotic

Derive the fractional compositions for monoprotic and diprotic systems showing the steps as clear as possible including a brief description of a fraction compostion plot.

  Calculate the ph

In the titration of 68.0 mL of 1.0 M methylamine, CH3NH2 (Kb = 4.4 10-4), with 0.49 M HCl, calculate the pH under the following conditions.

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