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Based on the numbers gathered from the lab in finding the freezing point of cyclohexane and given the percentages of c and h. how do I find the empirical formula?
a 10.9 mol sample of argon gas is maintained in a 0.787 l container at 298 k. what is the pressure in atm calculated
How many grams of solid barium sulfate form when 18.6 mL of 0.160 M barium chloride reacts with 65.1 mL of 0.055 M sodium sulfate? Aqueous sodium chloride is the other product.
Compare the behaviour of the cyclopentadienyl group in ferrocene with that of benzene in the acylation mechanism, giving reasons for any differences.
If we inject 120.0 mL of liquid helium and allow the entire system to warm to room temperature (25°C), what is the pressure inside the bottle
The mass percent of sulfur in the product is Blank 1 % (2 dec places). The mass percent of oxygen in the product is Blank 2 % (2 dec places).
in a particular redox reaction cr is oxidized to cro42- and cu2 is reduced to cu . complete and balance the equation
Describe the two types of mixtures. Be able to categorize them and give examples of each.
Write a balanced chemical equation for the neutralization reaction upon which this titration is based, and indicate clearly which atom is being protonated. Then, calculate the equilibrium constant for the neutralization reaction.
The data in the table at the right show a calibration curve for the determination of RNA from its absorbance at 260 nm. Use a spreadsheet and the least-squares method to determine the slope and intercept of the best straight line fit to the calibr..
What is the solubility of NaCl in 100ml of H@O at 100degrees celcius?
use average bond energies to estimate the energy released in the combustion reaction; and (d) calculate the mass of arachidonic acid needed to warm a 500 kg bear from 5 oC to 25 oC. (Assume that the average heat capacity of bear flesh is 4.18 J g ..
An industrial hygienist conducting personal sampling on a worker who is overseeing a production process involving use of acetone (Note: The Occupational Safety and Health Administration has established a Permissible Exposure Limit of 1000 parts..
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