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What are the conditions where Nucleophilic Substitution will predominate over elinmation? ALSO What are the conditions of solvent, temperature, and leaving group nature?
Describe a situation where a substance changed between the solid and liquid states or between liquid and gas states? Can you describe an example of when a substance changed between the gas and solid states? Let's see how many different examples we..
a 10-mL graduated cylinder (where volumes can be read to the nearest 0.1 mL). Calculate the required quantity of each reagent and the volume of water that must be added for dilution.
A proton in a linear accelerator has a de Broglie wavelength of 144 pm. what is the speed of the proton?
Calculate the pH of the solution that results when 100.0 mL of 0.15 M NaOH is added to 50.0 mL of 0.25 M HNO3
The solid fuel in the booster stage of the space shuttle is a mixture of ammonium perchlorate and aluminum powder. On ignition, the reaction that takes place is 6 NH4ClO4(s) + 10 Al(s) ? 5 Al2O3(s) + 3 N2(g) + 6 HCl(g) + 9 H2O(g)
Why is it important to make sure all of your unknown has vaporized? Why is it important to put a pinhole in the aluminum "cap"?
what is the bp of its enantiomer?What optical rotation would be observed if 7.2 g of (S)-amine were mixed with 7.2 g of the (R)-amine?
When 9 mL of a solution containing 2.5 M AlBr3 is diluted to 33 mL, a dilute solution is formed. What is the Br- concentration in 20 mL of the dilute solution.
Calculate the mass of nitrogen dissolved at room temperature in an 83.0 {rm L} home aquarium. Assume a total pressure of 1.0 {rm atm} and a mole fraction for nitrogen of 0.78.
A metal sample weighing 40.0 g and at a temperature of 99.1 C was placed in 38.6 g of water in a calorimeter at 25.0 C. The calorimeter reached a maximum temperature of 32.8 C.
Metallic aluminum reacts with MnO_2 at elevated temperatures to form manganese metal and aluminum oxide. A mixture of the two reactants is 67.2% mole percent Al.
A 5.0 dm3 sample of oxygen at a pressure of 200kPa and 2.0dm3 sample of nitrogen at a pressure of 500kPa are introduced into a 2.5dm3 vessel.
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