Compute the minimum wavelength of light required to excite

Assignment Help Chemistry
Reference no: EM13175312

Consider a solar with no dye where TiO2 is insted the light-absorbing species. the energy required to exite an electron in TiO2 is 3.21 eV.

A. A) calculates the minimum wavelength of light required to excite an electron in TiO2.

B) why would a TiO2-only solar cell be much less practical than the one you constructed?

Reference no: EM13175312

Questions Cloud

Explain contribution of workers to firm''s profitability : Explain how a firm values the contribution of workers to its profitability. Would a profit-maximizing competitive firm ever stop increasing employment as long as marginal product is rising?
Make the best match for efficiency advantage : Make the best match for each efficiency advantage to one mechanism for organizing enzymes in metabolic pathways. A. soluble enzymes in a lipid-enclosed volume
Behave violently themselves : Some people say that watching violent TV programs causes people to behave violently themselves. I don't think they are right. My nephew watches lots of violent programs, but he never behaves violently. The oppents of these shows probably just don't w..
Distance between two consecutive peaks or troughs : Distance between two consecutive peaks or troughs. Frequency () Number of waves per second that pass through a given point in space. How are frequency and wavelength related? Example: Are gamma rays ( = 10-12 m) a form of high or low frequency rad..
Compute the minimum wavelength of light required to excite : Consider a solar with no dye where TiO2 is insted the light-absorbing species. the energy required to exite an electron in TiO2 is 3.21 eV. A. A) calculates the minimum wavelength of light required to excite an electron in TiO2.
Explain calculation of gdp : If not, what government expenditures should be excluded from GDP? Are income taxes collected by the government from consumers included in GDP and, if so, how?
What will be the resulting pressures : Suppose 2 atm of SO2 reacts, what will be the resulting pressures? Suppose 2 atm of SO2 reacts, what will be the resulting pressures?
How much is landlines gross profit : How much is Landline's gross profit if they use (a) the Gross method? (b) the Net method and Landline Corporation is a public company with a calendar year-end. Landline provides a wide variety of telecommunications services to a number of different..
What is the efficiency of the engine : Wpump = 1500 kJ/h = 0.42 kW Qboil = 2.59 x 106 kJ/h = 718.7 kW Wturb = -227,300 kJ/h = -63.1 kW Qcond = -2.36 x 106 kJ/h = -656 kW What is the efficiency of the engine? How should we define it?

Reviews

Write a Review

Chemistry Questions & Answers

  What is the empirical formula of a compound

What is the empirical formula of a compound that is composed of 1.67 g of cerium and 4.54 g of iodine.

  Compute the mn and its uncertainty

From the Mn concentrations (3.56ppm and 3.71ppm) and uncertainty

  Determine the empirical and molecular formulas

Determine the empirical and molecular formulas of Ibuprofen has 75.69% C, 8.80%H and 15.51%O by mass and has a molar mass about 206g/mol.

  Explain a self-aldol condensation followed by dehydration

What carbonyl compound would the following condensation product? Which of the following could result from a self-aldol condensation followed by dehydration?

  State the recycling plant to resume operations

Assuming that the water is contaminated, devise a method for disposing of the contaminated water without contaminating the environment, but allowing the recycling plant to resume operations as soon as possible.

  Compute the mass percent of ethane in the original mixture

9.780 grams of gaseous mixture contains ethane ,C2H6 and propane ,C3H8. it needs 1.120mol of oxygen when complete combustion to form CO2 and H2O. Compute the mass percent of C2H6 in the original mixture.

  Explain natural water was determined by precipitation

The iron (55.847 g/mol) in a 700.0 mL sample of a natural water was determined by precipitation of the cation as hydrated Fe2O3. The precipitate was filtered

  Calculate the volume of air required at reference conditions

In the photosythesis process sugars are produced during the reaction of carbon with water Assuming air is composed of 0.030% carbon dioxide calculate the volume of air required at reference conditions to produce 1.0kg of sugar.

  State what is the molecular formula of the compound

sample of gas occupies 10.0-mL at 294.5 K and 1.10 atm. Upon further analysis, the compound is found to be 13.068% C and 86.932% Br. What is the molecular formula of the compound?

  What is the expected cylinder temperature

The pressure in an engine cylinder increases from 7.6 atm to 13 atm as the gas is compressed from 0.50 L to 0.10 L. What is the expected cylinder temperature if the gas was initially 15°C?

  Calculate the composition (in %) of the three compounds

A solution composed of 50% ethanol (EtOH), 10% methanol (MeOH), and 40% water (H2O) is fed at the rate of 100 kg/hr into a separator that produces one stream

  What is the enthalpy change

Propane is often used for gas grills and is typically purchased by filling a propane tank with 20 pounds of propane. What is the enthalpy change when 18 pound of propane is burned?

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