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Write a mechanism for the reaction of an alkyl halide with alcoholic silver nitrate which depicts the type of substitution which occurs. Explain how this mechanism accounts for the relative rate of reactivity of 1o, 2o and 3o halides in this reaction.
Present a reaction mechanism for the sodium iodide in acetone test which explains the relative rate of reactivity of 1o , 2o and 3o halides. Propose an explanation for the slow reaction of chlorides relative to bromides in this reaction.
A 10.0 long cylindrical glass tube, sealed at one end, is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 11.90 . The density of ethanol is 0.789 . what is the inner diameter of cylinder?
What masses of calcium sulfate and phosphoric acid can be produced from the reaction of 1.0kg calcium phosphate with 1.0kg concentrated sulfuric acid (98% H2SO4 by mass)?
what is the annual cost of operation in a 70°F room if the door is opened 10 times a day with an average heat gain per opening of 200 kJ? How much would it cost to keep the inside at 35° F
graph this phase change,with energy as a function of temperature.Do not assume that the eteam is an ideal gas. ?H fus=334.0 j/g ?H vapeur =2260 j/g Ch2o solid=2.11 j/g.k Ch2o liquid=4.18 j/g.k Ch2o gas=2.08 j/g.k a=5.464l62 bar/mol b=0.03049L/mol
A star is estimated to have a mass of 1x10^36 kg. Assuming it to be a sphere of average radius 7.5x10^5 km, calculate the average density of the star in units of grams per cubic centimeter.
a mass of 48.5 g of a certain substanse can be disolved in 29.1 cm3 of water at 20 degrees celcius. Calculate the solubility of this substance per gram of water at the same temperature.
For each of the following processes, decide whether it is spontaneous or non-spontaneous.
arrange the folloeing eluents in the increasing order of their euting power; place the least powerful eluent first; dichloromethane, pentane,water, and methonol.
At the end of the process, the pressure is 2.50x10 to the 6 Pa. Calculate the final temperature of the gas. Calculate q, w, deltaU, and deltaH for this process.
Using the moles of air, temperature of air and slope of the Air Volume vs. 1/pressure graph, calculate the ideal gas constant.
One of the students in lab decided to use two fractionating columns (one on top of the other) instead of just one. How would this: a) affect the separation between hexane and heptane?
The concentration of this compound in the sample is 0.000030 M and the path length of the sample is 1.0 cm
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