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Titanium (f=6.94 x 10-19 J) and silicon (f=7.77 x 10-19 J) surfaces are irradiated with UV radiation with a wavelength of 233 nm.
Explain what is the wavelength (nm) of the electrons emitted by the titanium surface?
Ammonium nitrate decomposes to N2O and water at temperatures between 250 deg. celcius and 300 deg. celcius. write a balanced chemical recation describing the decomposition of ammonium nitrate, and calculate the standard heat of reaction using the ..
The vapor pressure of pure water at 25 C is 23.8 torr. A solution is made by mixign 36.38 g of unknown non ionic substance into 250.00 g of water and the vapor pressure of the solution is found to be 23.1 torr. What is the molecular weight of the ..
Explain how the creation of coal, graphite, diamond and - buckminsterfullerene permits the required bonds to form. If you could answer in 100 - 150 words paragraph, I would highly appreciate it. If you could include references. Thanks.
What is the cell voltage when the following volumes of 0.640 M NaBr have been added? 1.0 ml, 13.0 ml, 20.6 ml, 21.5ml, 34,5ml, 43.1ml, 47.5ml.
When doing the kinetic trial, Peyton mistakenly omitted the starch solution from the kinetic trials. How will this omission change the appearance of the resultant solution (from mixing solutions A&B) from that of a correctly completed expiernment?..
What is the molar solubility of silver bromide in a solution that also contains 0.050M Ag+ ions at 25 °C? The Ksp of AgBr is 5.4 × 10-13.
What is the pH of a solution that contains three parts of acetic acid and one part sodium acetate?
Write a mechanism for the reaction of an alkyl halide with alcoholic silver nitrate which depicts the type of substitution which occurs. Explain how this mechanism accounts for the relative rate of reactivity of primary, secondary and tertiary hal..
plasma is the fluid portion of blood. the concentration of acetylsalicylic acid aspirin c9h8o4 molar mass 180.0 gmol
When are covalent bonds most likely to form? a. between 2 atoms with a high ionization energy b. between 2 with a low ionization energy. c when one atom high and other low d. no correct choice. (I'm leaning towards a.)
At 373 K, Keq = 2.39 for the following reaction: SO2Cl2(g) = SO2(g) + Cl2(g) In an equilibrium mixture of the three gases, the partial pressures of SO2Cl2 and SO2 are 3.31 atm and 1.59 atm, respectively.
An oxygen molecule is adsorbed onto a small patch of the surface of a catalyst. It's known that the molecule is adsorbed on 1 of 36 possible sites for adsorption
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