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An experimenter finds that she is unable to establish a premixed carbon monoxide flame when using an oxidizer composed of high-purity O2 (21%) and high-purity N2 (79%). When room air is used as the oxidizer, however, she has no trouble marinating a flame! Explain why the carbon monoxide burns with the room air but not with the synthetic bottled air.
How many molecules are in 22.41 L of an ideal gas at STP? Remember the answer is supposed to be in molecules
How many grams of CH4 is needed to produce 49.0 g CHCl3? CH4(g) + 3 Cl2(g)-> CHCl3(g) + 3 HCl(g)
The following data were obtained for the determination of iron in serum by a spectrophotometeic method. Assuming the validity of Beer's Law for the experiment calcualte the concentration of iron in serum
Distilled water in the same tube gave a reading of +0.016 degrees. Calculate the specific rotation for the compound.
You dissolve 12.6352 g of potassium iodide in water and bring the volume of solution to 250.0 ml. What is the molar concentration of KI and what volume of 0.0436 molar hydrochloric acid is required to react with 30.0 ml of 0.0278 molar LiOH?
The energy levels the electron can occupy in the Be3+ ion can be calculated using the energy level equation. Calculate the energy in J of the electron when it is in the n= 4.00 level.
What are the protons and neutrons that are emitted from a helium atom called? Atomic mass is expressed in atm.
Electrochemistry and Solubility, The potential of the cell Bi|Bi2S3(s) |Bi2S3(aq)|Bi is 0.96 V at 25*C. Calculate the solubility of Bi2S3, Assume it is an ideal solution.
Construct quantum mechanical operators for the following observable: (1) the inverse separation 1/x
Compare the energy of a photon of wavelength 3.4 um with that of wavelength 0.155 nm. answer is in E1/E2
Calculate the molarity of a Ca(OH)2 solution if it takes 25.0 mL to titrate 0.650 g of KHP in a standardization titration. (KHP has one H+ and a formula weight of 204.2 g/mol.)
A freeway has 10,000 vehicles per hour passing a house 200 m away. Each car emits an average of 1.5 g/mi of NOx, and winds are blowing at 2 m/s across the freeway towards the house.
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