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Compute the energy joules per particle of a photon of wavelength 45.8nm. Planck's constant is 6.63 x 10^-34 J.s
how many moles of CO2 are produced when 5.40 mol of ethane are burned in an excess of oxygen
When 2.848 grams of sulfur is dissolved in 50.0 ml of CS2 (density 1.263 g/ml), the solution boils at 46.54 C. what is the formula for sulfur
Two drugs have no common primary or secondary effects in common. would you expect these drugs to produce dangerous synergistic effects when taken together. Why or Why not
Chlorine reacts with potassium iodide. What would the color of the resulting solution be. What is the oxidation half-reaction for this step.
Consider the following approximate figures relating to cigarette smoking and cancer. The death rate in the US population of 270 million is 15 deaths per 1000 persons per year. One-fifth of these deaths are from cancer and one-fourth of the cancer ..
The osmotic pressure was found to be 1.86 torr at 25°C. What is the molar mass of the polyethylene. R= 62.4 L-torr per mol Kelvin
How many moles of Allyl Sulfide (C3H5)2S in 23.2g? How many H atoms are in 0.85 mole of allyl sulfide?How many atoms of Carbon are in 4.20 X 10^23 molecules of allyl sulfide.
What substance is in excess? D) How many grams of the excess reactant is leftover (remaining) after the reaction stops
Calculate the quantity of work associated with the compression of gas from 5.60 L to 3.40 L at a constant pressure of 1.23 atm.
The pkas of sulfuric and nitric acids are -3 and -1.3, which acid is stronger. Given your predication, write a chemical equation for the equilibrium involving reaction of sulfuric and nitric acids.
Draw all of the carbocation resonance structures that result when the tosylate ion leaves from 1-(tosylmethyl)cyclohexa-1,3-diene. Input the radical lone electrons.
Dry coke is combusted with dry air to generate the solid refuse, the flue gas and the superheated steam. Calculate the heat transfer to of from the process. Use a constant Cp for the inert of 8.5 J/g and assume everything at 1atm.
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