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While 92.0 grams of a nonionic compound were dissolved in 985 grams of water, the freezing point of the solution was found to be-4.05*C. Explain what is the molar mass of this nonionic compound?
Compute the Ka for the acid if the pH of the resulting solution = 6.36. and determine the pH of the resulting buffer
When most Fe^3+ salts are dissolved in dilute nitric acid, the solution is often yellow to orange-yellow in color. Why could you not visually detect these colors in Fe(NO3)3 stock solution
At 46°C a sample of ammonia gas exerts a pressure of 5.3 atm. Explain what is the pressure when the volume of the gas is decrease to one-fifth (0.2) of the original value at the same temperature
compute the change in entropy of the universe if water vapor of one mol condenses to liquid water at the temperature of
assume that the kinetic energy of a 1500 kg car moving at 150 kmh could be converted entirely into heat. what amount of
a sol. of unknown calcium concentration is titrated using edta. the edta is first standardized against a primary
Each of the following compounds exhibits a single 1H NMR peak. Approximately where would you expect each compound to absorb? a. cyclohexane b. acetone c. benzene d. glyoxal (ethandial) e. dichloromethane f. trimethylamine ((CH3)3N)
More gas is then added to the container until it reaches a final volume of 13.9 L. Assuming the pressure and temperature of the gas remain constant, calculate the number of moles of gas added to the container.
When 0.583 g of neon is added to an 800cm^3 bulb containing a sample of argon, the total pressure of the gases is found to be 1.17 atm. at a temperature of 295 Kelvin. Find the mass of the argon in the bulb.
Two parallel disks having diameters of 50 cm are separated by a distance of 10 cm. One disk also has a 20-cm-diameter hole cut in the center. Find the shape factor from the disk A1 to the one without a hole A3.
Honda procduces a hybird electric car called the honda insight has a gas powered engine and a electric motor and a EPA of 70 mile gallon highway. WHat is the inside ratings of kilometers
From the images of the structure of benzil, if the ketone groups are facing opposite directions, you get a net 0 diploe moment because they cancel. But if you have a cis molecule, then they both face the same direction.
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