Explain the light emitted has a wavelength

Assignment Help Chemistry
Reference no: EM13312325

A 100-watt lightbulb radiates energy at a rate of 100 J/s.(The watt, a unit of power, or energy over time, is defined as 1 J/s.) If all of the light emitted has a wavelength of 525 nm, how many photons are emitted per second?

Reference no: EM13312325

Questions Cloud

Explain what is the velocity of an electron : What is the velocity of an electron having a de Broglie wavelength that is approximately the length of a chemical bond? Assume this length to be 1.2 X 10 ^ -10 m.
What is the speed of the galaxy relative to earth : Wavelengths of light from a remote galaxy are found to be 1.5 % longer than the corresponding wavelengths measured here on earth. What is the speed of the galaxy relative to earth
What is the direction of his total displacement vector : An escaped convict runs 1.70 km due east of the prison. He then runs due north to a friend's house. what is the direction of his total displacement vector with respect to due east
Explain the excess hydrochloric acid : 25mL of 0.1545M hydrochloric acid is added to a tablet portion. If it takes 6.38 mL of 0.1567 M sodium hydroxide to titrate the excess hydrochloric acid, how many moles of acid were neutralized by the tablet portion
Explain the light emitted has a wavelength : A 100-watt lightbulb radiates energy at a rate of 100 J/s.(The watt, a unit of power, or energy over time, is defined as 1 J/s.) If all of the light emitted has a wavelength of 525 nm, how many photons are emitted per second
Define the temperature of the sample after heating : What was the temperature of the sample after heating. Please show work I've asked this question before and I'm getting mixed answers.
Determine the temperature increase of the cars : Two cars of 2000 kg each collide head-on while traveling at 75.0 miles per hour. What is the temperature increase of the cars
Explain the vapor pressure of methyl alcohol : At 40 degrees celsius the vapor pressure of methyl alcohol is 254 mmHg and at the same temperature the vapor pressure of ethyl alcohol is 135 mmHg.
What is the rock velocity as it hits the bottom of the hole : A rock is tossed straight up with a speed of 29{\rm m}/{\rm s}. What is the rock's velocity as it hits the bottom of the hole

Reviews

Write a Review

Chemistry Questions & Answers

  State acetone or methanol will give the best seperation

Which of the following solvents, hexane, methylene chloride, acetone, or methanol will give the best seperation on a TLC plate of a mixture composed of

  What is the osmotic pressure of a solution

What is the osmotic pressure of a solution made from dissolving 85.0 g of glucose, rm C_6H_{12}O_6, in 300 mL of water at 45.0{^circ}C?

  What is the total pressure of a mixture of gases

What is the total pressure of a mixture of gases made up of CO2, O2, and H2 if the partial pressures are 2.2atm, 400mmHg and 112kPa respectively.

  Explain pressure exerted in pascals of a column of chcl2br

What is the barometric pressure exerted in pascals of a column of CHCl2Br (density = 2.451 g/cm3) 501.6 mm in height

  Explain how many grams of so2 would be formed

How many grams of SO2 would be formed from 60 grams of FeS2 in the following reaction

  How to calculate [oh-] in the aqueous solution

Calculate [OH-] in the following aqueous solution at 25 deg C: [H3O+] = 3.6×10^?2 M? I know you have to divide 1x10^-14 by the 3.6x10^-2 and the answer I got was 2.8x10^-17 but it said my answer is wrong

  How many grams of sulfur dioxide are produced

how many grams of sulfur dioxide are produced when 90.0 g of thionyl chloride reacts with excess water according to the following equation? SOCl2+H2O --> 2HCl+SO2

  How many moles of the gas are present

A sample of hydrogen gas occupies 15.8 L at STP. How many moles of the gas are present?

  Define acetic acid when pure, has a freezing point

Acetic acid when pure, has a freezing point of 16.0 Celsius; Liquid acetic acid has a heat capacity of 1.96J/g*C. A 25.0 g piece of solid acetic acid at 16.0C is placed into an insulated container containing 50.0g of liquid acetic acid at 50.0C.

  Define the rydberg equation to calculate the wavelength

Use the rydberg equation to calculate the wavelength in nm of the photon when an electron in a hydrogen atom undergoes a transition from n=6 to n=2

  How many grams of water are present in the sample

The freezing point of t-butanol is 25.50°C and Kf is 9.1°C·kg/mol. Usually t-butanol absorbs water on exposure to air. If the freezing point of a 12.0 g sample of t-butanol is 24.59°C, how many grams of water are present in the sample?

  How many moles of the gas are in the container

the gaseous product of a reaction is collected in a 25L container at 27degrees celsiu. the pressure in the container is 300.0 kPa. how many moles of the gas are in the container.

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