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A sample of pure NO2 is heated to 336 degree Celsius at which temperature it partially dissociates according to the reversible equation
2NO2(g) yields 2NO(g)+O2(g)
At equilibrium the density of the gas mixture is 0.515g/L at 0.745atm. Calculate Kc for the reaction.
How much dry solute would you take to prepare each of the following solutions from the dry solute and the solvent?
calculate the molar quantity of N2 that must be generated.What molar quantity of sodium azide is required to generate this much nitrogen?
Calculate the density of a piece of wood that is found to have a mass 2.34 g and is placed in a graduated cyclinder with 34 ml of water, which then rises to 50 ml with the block of wood
effectively prevents hemoglobin from transporting oxygen to cells. How is the carbon monoxide acting in this process?
how many liters of softened water containing a sodium concentration of 5.8times10-2 sodium by mass have to be consumed
The first ionization energy of Ca is 590 kJ/mol and its second ionization energy is 1145 kJ/mol. The heat of sublimation of Ca is 178 kJ/mol. The bond energy of Br2 is 193 kJ/mol, the heat of vaporization of Br2(l) is 31 kJ/mol , and the electron ..
Atoms contain protons. 2)Nuclei move out of the paths of the alpha particles. 3)Neutrons have zero charge.
What is the hybirdization of a centeral atom that has four sigma bonds and has no pairs of electrons?
Does adding boiled, deionized water to the titrating flask to wash the wall of the Erlenmeyer flask and the buret tip affect the Ksp
a solution of lactic acid, HC3H5O3, on a laboratory shelf was undetermined concentration. If the pH of the solution was found to be 2.51, what was the concentration of the lactic acid?
Alkanes are relatively inert except for two reactions, combustion and radical halogenations. Show all the products, intermediates and the flow of electrons in the following reaction.
A vanadium electrode is oxidized electrically. If the mass of the electrode decreases by 114mg during the passage of 650 coulombs, what is the oxidation state of the vanadium product
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