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Construct a simulated 1H NMR spectrum for 1,1-dichloroethane by dragging and dropping the appropriate splitting patterns into the boxes on the chemical shift baseline, and by dragging integration values into the small box above each signal. Items may be used more than once. Peak heights do not represent integration.
A 75 watt incandescent light bulb and an 18 watt compact fluorescent bulb are equally bright. How much warmer will an insulated closed 12 by 11 by 8 foot room get in 1 hour if it is lighted by an incandescent bulb
When 27 mL of a 405 mL stock solution containing 2.3 M AlCl3 is diluted to 81 mL, what is the concentration of Al3+ in the new solution?
draw the expanded structural formula for the drug. Pick one amino acid ionic group that can bind with the drug.
How many grams of sodium lactate should be added to 1.00 L of 0.150 lactic acid ( or ) to form a buffer solution with = 4.10? Assume that no volume change occurs when the sodium lactate is added.
Calculate the concentration of chloride ions when 100.0 mL of 0.205 M sodium chloride is mixed with 250.0 mL of 0.150 M calcium chloride.
When 1.43g of the hydrocarbon is burned, 2.39 grams of water and 4.40 grams of carbon dioxide is collected. Determine the empirical formula of the hydrocarbon. Name the hydrocarbon.
She pours a 50.0 mL sample of water at 345 K into the calorimeter containing a 50.0 mL sample of water at 298 K. She carefully records the final temperature of the water as 317 K. What is the value of Ccal for the calorimeter?
For each of the following unbalanced equations, indicate how many moles of the second reactant would be required to react exactly with 0.275 mol of the first reactant. Show all work below.
SLIGHTLY LESS than 100 degrees Celsius, but the final boiling point was AT 100 degrees Celsius. Why should the boiling point rise as the distillation progresses?
calculate the pressure of the dimer when the total pressure is .725 atm at equilibrium. 2ch3cooh(g) (ch3cooh)2(g) Monomer Dimer
A 800 mL sample of a saturated aqueous solution of calcium oxalate, CaC2O4, at 95 degrees C is cooled to 13 degrees C. How many milligrams if calcium oxalate will precipitate?
acid is dissolved in water to produce a 1.51 M solution. The pH of the resulting solution is 2.52. Calculate the Ka for the acid.
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