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1. Define the difference between the syn as well as anti additions in terms of the nature of the product and its optical activity?
2. Based on the melting point (237.3 -254.3 Celsius) you measured define what product did you obtain syn or anti? Explain.
When pure sodium is placed in an atmosphere of chlorine gas, the following spontaneous reaction occurs: 2Na(s) + Cl2(g) + 2NaCl(s). Which of the following statements is true about the above reaction
Beta sheets are a type of secondary structure in proteins. A segment of a single chain in an antiparallel. sheet has a length of 291 Å . How many residues are in this segment
hfcs hydrofluorocarbons are replacing cfcs chlorofluorocarbons because the c-h and c-f bonds are stronger than c-cl
How much energy is evolved by 44g of copper (spht= .38 J/gC) if it's temp falls from 333 K to 280K
The pH of a solution is prepared by dissolving 0.30 mol of the weak acid, HA, in enough water to make 1.0 liter of solution w/ a pH of 6.1. calculate Ka and % ionization of the HA solution.
Phenol (C6H5OH, also called carbolic acid) has a pKa of 9.89. It is used to preserve body tissues and is quite toxic. Calculate the percent ionized in 0.0503 M phenol--a dilute solution.
A student determined the calorimeter constant of the calorimeter. The student added 50.00 ml of cold water to 50.00 ml of heated distilled water in a Styrofoam cup the initial temperature pf the cold water was 21.00 degrees Celsius
a corrosion technologist pipetted a 100.00 ml hard water sample and titrated it with 37.64 ml of 0.01 m edta solution
An airbag in?ates in less than 50 msec by the reaction of NaN3 to produce Na and nitrogen gas at 25 ?C. NaN3 → Na + N2 The volume of the airbag is about 30 liters, and it is ?lled to a pressure of 1.4 atm.
In a combustion process in which a specified percentage of excess air is used, and in which CO is one of the products of combustion, will the analysis of the resulting exit gases contain more or less oxygen than if all the carbon had burned to CO2
What is the percent yield of calcium sulfate when .8750 L of aluminum sulfate and 17.2 g of calcium phosphate has an actual yield of 1.04
What % of the bromide ions remain in solution, i.e., unprecipitated, just before silver chloride begins to precipitate? Ksp for AgCl=1.8x10^-10, Ksp for AgBr=3.3x10^-13
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