Determining the percent yield of a reaction
What is the percent yield of a reaction in which 228. g phosphorus trichloride reacts with excess water to form 118 g HCl and aqueous phosphorus acid (H3PO3)?
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Specify the organic solvent and aqueous solutions to be used for the separation. Provide the exact acid-base reaction that occurs during each step of the separation.
An organic compound containing only C, H, and N yields the following data. i. Complete combustion of 35.0mg of the compound produced 33.5mg Co2 and 41.1 mg of H20 ii. A 65.2mg sample of the compound was analyzed for 35.6 mL N2 at 740. torr and 25C
Many drugs decompose in blood by a first-order process. In 8.0 hr, secobarbital sodium, a common sedative, reaches a blood level that is 18% of its maximum. What is t1/2 of the decomposition of secobarbital sodium in blood?
A couple of drops of water were accidentally placed on the properly folded filter paper before its mass was measured. However, the CaC2O4.H20 precipitate and the filter paper were dry. How does this sloppy technique affect the reported mass of the
A curved nozzle assembly that discharges to the atmosphere is shown. The nozzle mass is 4.5 kg and its internal volume is 0.002 m^3. The fluid is water. determine the reaction force exerted by the nozzle on the coupling to the inlet pipe.
If you mix 2.000 moles of SO2 and 3.000 moles of Cl2 in a one-liter flask, SO2Cl2(g) W SO2(g) + Cl2(g), and the Keq = 291, what is the final concentration of SO2Cl2? Carry your calculations to at least three places.
A 0.50 mol/L solution of codeine has a pOH of 3.05. What is the Kb value of codeine?
A .005 m^3 quartz tube is filled with proper proportions of liquid water and water vapor at 100 kPa. It is then sealed and heated to the critical point. draw the process on a p-v diagram.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult