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What is the initial product at the cathode in the electrolysis of molten AlCl3? A) Al (s) B) Cl2 (g) C) AlCl2 (s) D) Al3+ (aq) E) Cl? (aq)
calculate the diameter of the ball. The density of water is ?w = 1.000 g/cm3, the density of styrofoam is ?foam = 0.0950 g/cm3 and the acceleration due to gravity is g = 9.81 m/s2.
Calculate for the process ?G°, ?H°, ?S°, and DCp at 36.8oC (the ‘°' refers to the reference temperature of 36.8°C). Attach all work and a well labeled van't Hoff plot and explain any assumptions you make
Rank each of the following compounds in decreasing order of reactivity towards Friedel-Crafts alkylation. Most reactive = 1; if a compound will not react, rank it as "non" rather than assigning a numerical value.
After 52.0 min, 18.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics
You have been given the task by your adviser of making a 1-L of a solution with a calcium activity {Ca2+} of 1.3*10^-4 M and he wants you to make two different ways. One in 0.05M KCl and the second in 0.1M MgCl2. How much CaCl2 do you need to add ..
Sims Inc. earned $1.00 per share in 2000. Five years later, in 2005, it earned $2.00. What was the growth rate in Sims' earnings per share (EPS) over the 5-year period?
The pI of alanine is 6.01. What percentage of the alanine in the solution is present as the anion. You may need to revisit the Henderson-Hasselbalch equation to solve this problem.
Identify compound Z in the following sequence. (CH3)2CHCH2CN ---HCl, H2O, heat---> compound X ---1. LiAlH4, diethylether, 2. H20 ---> compound Y --- PCC, CH2Cl2 ------> compound Z 1. (CH3)2CHCH2COH (the O is double bonded to the C)
You conduct an experiment where N2 is collected over water in a 2.12 L flask at 23.oC. At the conclusion of the experiment, the total pressure in the flask is 652. torr. What is the pressure of N2 in the flask?
The thallium (present as Tl2SO4) in a 6.05-g pesticide sample was precipitated as thallium(I)iodide. Calculate the mass percent of Tl2SO4 in the sample if 0.235g of TlI was recovered.
What weight of glucose in grammes is required to make 675 ml of a 750 mM solution. Glucose Mr = 180.16
calculate (a)molality? (b)molarity of NaCl? (c) What is the mass/mass and remove the most loosely held e- from a gaseous atom in a ground state
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