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Unknown Y has a molecular formula of C3H6O2. It contains one functional group that absorbs infrared radiation in the 3200-3550 cm-1region (when studied as a pure liquid; i.e., "neat"), and it has no absorption in the 1620-1780 cm-1region. No carbon atom in the structure of Y has more than one oxygen atom bonded to it and Y can exist in two (and only two) stereoisomeric forms. What is the structure of one of these forms of Y?
In analysis of interhalogen activity, 0.110 mol of ICl was placed into a 1.00 L flask and allowed to decompose at a high temperature: 2 ICl(g) I2(g) + Cl2(g) Given that Kc = 0.361, calculate the equilibium concentration of I2
What is the heat of reaction for 1 kg of the mixture calculated using heat of combustion data for a fuel comprised of 10% ethanol and the rest octane? How much is the heat of reaction reduced by adding the 10% ethanol to the octane
What is the molarity of urea, CO(NH2)2, if 98.3 mg of the 97.9% pure solid is dissolved in 5.00 ml of aqueous solution?
Calcium phosphide is used to make fireworks. Write a conversion factor that converts between moles of calcium ions in calcium phosphide, Ca3P2, and moles of Ca3P2.
What is the pH of a buffer solution made with 20 g of acetic acid and 30 g of sodium acetate in 450 mL of water? (Ka = 1.8 x 10-5). If concentrated HCl is added, will the pH increase or decrease?
Explain heat capacities predicted by equipartition of energy don't forever match actual heat capacities at room temperature however the match gets better at higher temperatures. Why
Car air bags operate by the explosive reaction of NaN3: 2NaN ( ) 2Na( ) 3N ( ) 3 2 s s + g
A 25 mL sample of .1 M HCl is titrated with .1 M NaOH. What is the pH of the solution at the points where 24.5 mL and 24.9 mL of NaOH have been added.
The boiling point of the unknown liquid was 105 degrees Celsius the observed refractive index was 1.4959. Calculate the corrected boiling point and the corrected refractive index for this unknown liquid
Write the total and net ionic equations for the reaction of BaSO4 dissociation, and calculate the trial Ksp for the product formed, when 40 mL of 0.1 M Ba(CH3COO)2 reacts with 60 mL 0.6 M MgSO4 and decide whether a ppt will form
Compute the impact velocity necessary to heat and completely melt a lead bullet initially at 60 C when it strikes a massive steel plate. Overlook heat transfer to the plate.
Rhenium has 2 naturally taking place isotopes- Re-185 with a natural abundance of 37.40 percent and Re-187 with a natural abundance of 62.60 percent. The sum of the masses of the two isotopes is 371.9087 amu. Determine the masses of the individual..
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