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Problem- You have an unknown that is one of the following compounds: cyclohexanone, p-tolualdehyde, ethyl benzoate.when you run through chemical tests, the unknow gave a positive test with 2,4 dintriopenylhydrazine and a negative test with tollen's reagent . What is the compound?
Please demonstrate all work. Thank you in advance
Compound A is a clear, colorless liquid with a molecular formula of C7H10. Upon treatment of A with H2 gas in the presence of Pd on Carbon, a single product B (C7H14) is obtained.
Question- Calculate the pH and the pOH of an aqueous solution that is 0.035 M in HCl(aq) and 0.090 M in HBr(aq) at 25°C.
find the new volume of the gas sample.1.at constant pressure the temperature of a 10.25 liter sample of chlorine gas at
A soln was made by dissolving 5 g of sodium iodide in enough water to make 500mL of soln. What is the expected percent transmittance for this soln?
From the ration of the mass of the black product to the initial 5g placed in the flask, could the remaining black compound be the anhydrous copper carbonate hydroxide molecule?
If the solution is cloudy after precipitation and heating, what does this indicate. Can the solution be filtered at this point
devise a general method for determining the fractional abundances of two or more isotopes from a mass spectrum. your method must include some means of measuring the signals
The volume of an average stomach is about 1.0L. Suppose that a particular condition of acid indigestion is equivalent to the presence of a 0.50% HCl (by mass) solution.
In a seperate trial the student puts 214 mL of the same liquid into the same flask at the same conditions. What will the pressure measure (in kPa) in the second trial?
use of fossil fuels.we use fossil fuels oil gas coal for many things power for transportation electricity production
The PCB concentration in the air inside a typical house is 400 ng/m3, and the ventilation rate is such that it takes, on average, 10 h to change the indoor air. If the indoor PCBs are coming from a leaking capacitor, how much leaks per year
Using the value of Ksp for Ag2S, Ka1 and Ka2 for H2s, and Kf=1.1x10 to the fifth for AgCl2, calculate the equilibrium constant for the following reaction:
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