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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?
How do you write structural formulas for all the constitutionally isomeric compounds having the given molecular formula C3H9N,
The rod initially has a mass of 1460g, and the mole fraction of H2 in the exit gas is 0.223. The mole fraction of H2 in the feed to the reactor is 0.580, and the feed enters at the rate of 6.22kg-mol/hr. What will be the mass of the rod at the end..
The water level in a graduated cylinder initially at 216 rises to 287 after a piece of lead is submerged. What is the mass in grams of the lead?
Calculate w (in kJ) when 376 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 335 K:
Below are five statements about the temperature dependence of a reaction rate constant K. Which one statement holds true for most chemical reactions
how many moles of nh42so4 are there in 100.00 g of ammonium sulfate? how many moles of ammonium ions are in 100.00 g of
Show the mechanism for each step of the following reaction scheme- 3-methyl-1-pentene in CH2Cl2 treated with HBr, then NaOH, 1/3 mol equivalent of BH3?tHF and then H2O2/NaOH
ultraviolet light strikes a metal plate and ejects electrons having kinetic energy E = 2.04 eV. Calculate the binding energy of an electron at the metal surface.
500.0 mL of 0.160M solution of H3PO4 is combined with a 300.0 mL of a 0.245M solution of Ba(OH)2. What is the maximum mass of solid Ba3(PO4)2 that can be collected
an ice calorimeter can be used to determine the specific heat ofa metal. a piece of hot metal is dropped into a weighed
How many kilocalories of heat are released when 75g of steam at 100 celsius is converted to ice at 0 celsius. If you want to lose 1 pound of fat, which is 15% water, how many kilocalories do you need to expand
Calculate Ka and Original Concentration of Weak Base, You have a solution of a weak base, the pH of which is 10.7532. If 10.000 mL of this solution will neutralize 6.655 mL of 0.07667
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