Watt light bulb consumes

Assignment Help Chemistry
Reference no: EM131087516

A typical 100-watt light bulb consumes 100 J of energy per second. If a light bulb converts all of this energy to 400 nm light, how many photons are produced each second?

A) 5.0x10-28

B) 5.0x10-21

C) 5.0x10-19

D) 2.0x1020

E) 2.0x1029

Reference no: EM131087516

Questions Cloud

Annoyance and health reactions to odor from refineries : In a study to investigate the extent to which individuals are aware of industrial odors in a certain region ("Annoyance and Health Reactions to Odor from Refineries and Other Industries in Carson, California," Environmental Research, 1978: 119-132..
Find the net present value of the project : Calculate the net present value of the project. Calculate the internal rate of return. Calculate the payback period. Calculate the discounted payback period
Motivating factors of modern fire research : Write a 750-1,050 word essay explaining how motivating factors of modern fire research impact fire science. Define how modern fire research has impacted fire science as it relates to each of the following:
Focused on the incidence of concussions among athletes : Much attention has recently focused on the incidence of concussions among athletes. Separate samples of soccer players, non-soccer athletes, and non-athletes were selected.
Watt light bulb consumes : A typical 100-watt light bulb consumes 100 J of energy per second. If a light bulb converts all of this energy to 400 nm light, how many photons are produced each second?
What is the sample space of the experiment : What is the sample space of the experiment?
The accompanying two-way frequency table appears : The accompanying two-way frequency table appears in the article "Marijuana Use in College" (Youth and Society, 1979: 323-334). Each of 445 college students was classified according to both frequency of marijuana use and parental use of alcohol and..
What are some of latest advances in encryption technologies : What are some of the latest advances in encryption technologies?
Withstand a maximum pressure : "Dry ice" is then placed inside the bottle and the bottle is sealed immediately. If the bottle can withstand a maximum pressure of 500kPa, what is the minimum amount of dry ice, in grams, required to make the bottle explode at 25C?

Reviews

Write a Review

Chemistry Questions & Answers

  Define what is the empirical formula of the compound

Combustion analysis of 2.400 g of an unknown compound containing carbon, hydrogen, and oxygen produced 4.171 g of CO2 and 2.268 g of H2O. What is the empirical formula of the compound

  Explain label reaction intermediates with ri

Draw a potential energy diagram to illustrate this reaction mechanism, assuming that the overall reaction is endothermic. Label reaction intermediates with "RI", and activated complexes with "AC"

  Explain solution prepared adding 50 ml hcl and 20 ml hno3

Solution prepared adding 50 mL HCl and 20 mL HNO3 to 300 mL water. More water added until final volume is 1.00 L. Calculate [H+], [OH-], and pH for solution.

  Explain what percent of the soup is salt

one can of soup contains 305 grams of soup. The soup contains .885 grams of salt. What percent of the soup is salt

  Determine the mass and mole fraction present

A certain mixture of He and Ne in a 356 cm3 bulb weighs 0.1480 g and is at 20.0 oC and 748 torr. Find the mass and mole fraction present.

  Define a circular colony of mold with diameter

A circular colony of mold with diameter of 4.8 cm and density of 0.0023 g/cm2 what is the mass of object

  A 01967 g sample of pure ascorbic acid is weighed out and

1 a 0.1967 g sample of pure ascorbic acid is weighed out and dissolved in 50 ml of distilled water in an erlenmeyer

  What is the solubility product constant

What is the solubility product constant? Given Ksp = 1.1 x 10^-3 for BaF2(s), calculate the molarity of Ba+2 in a saturate solution of BaF2 (at equilibrium).

  Explain the cell potential when the solutions are altered

Ag electrode in 1.0 M Ag + (aq) and Cu electrode in 1.0 M Cu 2+ (aq). What is the cell potential when the solutions are altered, so [Ag+] = 1.25 M and [Cu 2+] =0.25 M

  Describe what is the pressure in the flask

When 0.633 L of Ar at 1.20 atm and 227°C is mixed with 0.185 L of O2 at 501 torr and 127°C in a 400 mL flask at 27°C, what is the pressure in the flask

  How many milimoles of base must be added

You have 50 mL of 0.010 fully protonated histidine. how many milimoles of base must be added to bring histidine solution to pH equivalent to the pI of histidine.

  A 284g sample of an aqueous ionic salt with a molar mass of

a 2.84g sample of an aqueous ionic salt with a molar mass of 99.37gmol is added to a calorimeter ccal 72.1jdegc

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