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How many carbon atoms are found in 3.25 mol of acetic acid, HC2H3O2(aq)?A reaction requires 1.10 mol of vanadium (IV) chloride. How many grams should you weigh out?
What is the calculated molecular weight for polymerization of isobutylene? where (monomer) stock =0.2mol/dm^3,V monomer=25cm^3 and (initiator) stock= 0.1mol/dm^3 and Vinitiation = 0.250cm^3
Methanol(CH3OH) burns in air to produce carbon dioxide and liquidwater. Calculate the heat released (in kilojoules) per gram of the compound reacted with oxygen.
A second order reaction whose rate constant at700 oC was found to be 4.0 x 10-3 L/mol.s hasan activation energy of 35.0 kJ/mol. What is the rate constant fort his reaction at 850 oC?
My question is about problem 45a in chapter 6 of John McMurry'sOrganic Chemistry, 7th ed. In this problem, we are asked todetermine whether a substituted alkene should be designated "Z" or"E".
A 33.42 g stainless steelball bearing at 117.82°C is placed in a constant-pressure calorimeter containing 120.0 mL of water at 18.44°C. If the specific heat of the ball bearing is 0.474 J/g&
A compound with a partition coefficient (Kp) of 0.5 betweensolvents A and B ([A]/[B] = 0.5) is dissolved in 100 mL of A. Which is more effective: extracting once with 70 mL of B or extractingtwice w
Two gases are contained in gas bulbs connected by a valve. Gas A is present in a 32 Lbulb at a pressure of 399 torr. Gas B exerts a pressure of 884 torr in a 87 L bulb. What is the partial pressure
The molality of a solution of ethyl alcohol,(C2H5OH) in water is 0.960 mol/kg. How many grams of alcohol are dissolved in 5.98 kg of water?
A compound with the formula C5H10O is reacted with excess iodine and base. A yellow product forms. Draw the formula of the original compound and the products of the reaction.
Compound B is burned in a calorimeter containing 1.5L of water.when 50.0g of compound B is burned in the calorimeter, the watertemp raises 35degrees C. if the heat of combustion of compound B is2150
An optically active (i.e. chiral) compound with the formulaC6H12O2 shows a broad, strong bandat 3400 cm-1 and a strong band around1700cm-1 in the IR spectrum. When treated withPCC, or when separatel
Fluorine-18 is a radioactive isotope used to image the brain. The half-life of Fluorine-18 is 1.83 hours and follows a first order decay. What is the rate constant for Fluorine-18?
If 28.7mL of 0.375M sodium hydroxide(NaOH) are necessary toneutralize 40.0mL of a hydrochloric acid (HCl) solution, calculatethe molarity of the HCl solution.
Ascorbic acid (vitamin C) is a diprotic acid of molecular weight176 g/mol. A sample of a vitamin supplement was analyzed bytitrating a 0.100 g sample dissolved in water with 0.020 M NaOH.
An element is diamagnetic if it has no unpaired electrons. Anelement is paramagnetic if it has unpaired electrons. If sulfur has unpaired electrons in the last p orbital (1s22s2 2p6 3s2 3p4), why i
Aspirin is a monoprotic acid; its formula isHC9H7O4. Acertain pain reliever was analyzed for aspirin by dissolving 0.250 g of it in water and titrating it with0.0300 M KOH solution. The titration re
Ascorbic acid (vitamin C) is a diprotic acid having the formula H2C6H6O6. Asample of a vitamin supplement was analyzed by titrating a 0.1500 gsample dissolved in water with 0.0240 M NaOH.
A homogeneous powder, derived from a sample of Ayre's Rock in Australia, is known to contain 33.31% Fe. The titration method used in your lab for Fe determinations is known to have a standard deviat
Does this lack of proper technique result in the molar mass of the vapor in the flask being reported as too high, too low, or unaffected? Explain.
A Breathalyzer instrument contains two ampules, each of which contains 0.75 mg K2Cr2O7 dissolved in 3 mL of 9 mol L^-1 H2SO4(aq). One of the ampules is used as reference.
What nucleophile could be used to react with butyl iodide to prepare the following compound? If your answer is a metal salt, omit the metal and draw the compound as an anion.
Waste streams from various processes in a complex chemical facility are combined and burned for heat, because the cost of purifying and recycling the components is prohibitive.
What mass of zinc can be plated onto a metal sheet (a process call "galvanizing") from an aqueous zinc sulfate solution using a 0.755 amp current for 1.50 days?
The reactor feed is 10 gmol/min ethylene oxide and 30 gmol/min water. Why is water excess reactant? If the fractional conversion of ethylene oxide is 0.92 and the selectivity is 0.85, what is the re