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What is maximum light wavelength (nm) to be absorbed for creating electron-hole pairs in semiconducting material cadmium telluride (CdTe)? CdTe has a band gap of 1.44 eV.
What advantages and disadvantages exist for both organic and inorganic solar cells? Describe the main barriers or technical difficulties associated with each.
An oxide of phosphorus contains 56.4% oxygen and has a molar mass of 284 g/mol. What is the molecular formula for this compound?
Find the limiting reagent in this solution. b) Calculate the theoretical yield of water. c) Calculate the percent yield of water
Explain Threshold / NOEL Levels of Chemical Toxins, What is the maximum average daily consumption(g) of such fish that would keep exposure level below the ADI or RfD for the compound?
Reaction of an Alcohol to Produce an Alkyl Halide, N-butanol reacts with NaBr and H2SO4 to produce n-butyl bromide, via refluxation reaction in a lab experiment.
Imagine that you have a 6.00L gas tank and a 3.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
The pressure inside a hydrogen-filled container was 2.10 atm at 21 C. What would the pressure be if the container was heated to 94 C?
An Ideal gas originally at a temperature T1 and pressure P1 is compressed reversibly against a piston to a volume equal to one-half its original volume, Draw a diagram of the process in the P-V plane.
Nitromethane CH3NO2) burns in air to produce significant amounts of heat. 2 CH3NO2(l) + 3/2 O2(g) --> 2 CO2(g) + 3 H2O(l) + N2(g). delta H^0 reaction = -1418 kJ
The value of Kc for this reaction is 5.0 at 600 K. What are the equillibrum partial pressures of the three gases if a reaction vassel initially contains a mixture of the reactants in which Pco=Pcl2=0.215 atm and Pcocl2= 0.000 atm?
What would the product/structure be if the reaction of methyl benzoate was a subsitution (add H and NO2 to it)?
When backpacking in the wilderness, hikers often boil water to sterilize it for drinking. Suppose that you are planning a backpacking trip and will need to boil 40 of water for your group
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