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Question- For the reaction N2O4(g)↔2NO2(g), Kc=0.21 at 100 Celsius. At an early point during the reaction [N2O4(g)]= 0.12M and [NO2]= 0.55M. Is the reaction at equilibrium? If not, in which direction will it proceed?
Please define how you came to the conclusion. I've been sick as well as missed a couple of chemistry lectures. Thanks
You are checking the accuracy of a volumetric flask marked 10.00 mL. You measure the volume of water contained in the flask by measuring the mass of the empty flask
when light of frequency 5.26times1015 s-1 shines on the surface of a metal electrons are ejected with a maximum kinetic
In acid-base equilibria, the strength of acids and bases are reflected by their Ka's and Kb's, respectively. Explain, using examples while Ksp cannot directly reflect the solubility of the ionic compound.
occurring at 800 K and 1atm. The initial mixture contains 1 mol of SO2 and 0.5 mol of O2. The reaction mixture can be considered to be an ideal gas.
A student poured the hydrogen peroxide unknown into a clean, wet erlenmeyer flask. The stdent thought that as long as the flask was clean, this preactice would not lead to an error in the results. Briefly explain.
find the time required for the total pressure in the system containing N2O5 at an initial pressure of 0.1 atmospheres to raise to 0.145 atmosphere
exactly 56 grams of sodium sulfate 51 grams of potassium iodide and 48 grams of barium perchlorate were dissolved in
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the denisty of pure silver is 10.5gmcmltsupgt3ltsupgt at 20 degrees celcius. if 5.25 g of pure silver is added to a
Carbon dioxide gas in particular-perhaps as exhaled by the person using a pH meter- will lower the pH of distilled water to less than pH 7. State a chemical equation showing why solutions of carbon dioxide would be expected to be acidic.
2fens 3h2g --gt 2fes 2nh3gsuppose that the reaction is carried out at 300c and 3.00 atm. 1.00 grams of iron iii
suppose you are trying to determine the melting point of a compoundand the compound turns from white to brown before
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