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The drop of an electron from a high level to the ground state in a hydrogen atom would be most closely associated with
(a) long wavelength radiation
(b) low frequency radiation
(c) infrared radiation
(d) high frequency radiation
At a certain temperature and pressure 4.2 L of N2 reacts with 6.3 L of O2. If all the N2 and O2 are consumed, what volume of N2O3, at the same temperature and pressure, will be produced?
A student takes a mixture of sugar (C6H12O6), diamond powder (C) and BaCO3, separates the mixtures and recovers 1.75g sugar, 0.86g diamond powder and 2.29g BaCO3(s). Student % recovery was 96.46%, less than the initial amount of mixture they start..
Heat realsed by combustion of ethyl ether, 1. In earlier times, ethyl ether was commonly used as an anesthetic. It is, however, highly flammable. When 5.0 mL of ethyl ether C4H10 (l), (d=0.714 g/mL) is burned in a bomb calorimeter
The Instructor recently had his car inspected by the KWIK Stocker State Inspection at Webster, Texas. The table below shows part of the Emission Test Results.
3-methylbut-1-ene ---->3-methyl-2-butanone. For the reagents I put, HBr, Tert butoxide, O3 and dms. I was wondering about the O3 and dms, im not sure if that part is right.
For weak acid, HX, Ka = 1.0 10^-6. Calculate the pH of a 0.82 M solution of HX.
How much ammonia would be spent to remove the NOx generated, expressed in kg of of NH3 per 100 kg of fuel?
What is the molar concentration of a solution prepared by dissolving 0.6593 g of NaCl in a 100-mL volumetric flask
A gas cylinder with a movable piston initially contains .25 moles of neon in a 5 L. If .5 moles of helium are added to this gas cylinder, what will be the final volume
Molybdenum crystallizes in a body-centered cubic array of atoms. The edge of the unit cell is 0.314 nm long. Calculate the density of this metal.
Nicotine is responsible for the addictive properties of tobacco. Assume Kb1= 1.05 x 10^-6 and Kb2= 1.32 x 10^-11. Determine the pH of a 0.00120 M solution of nicotine.
If 5.36 103 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
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