Calculate the ph of a solution formed by mixing
Calculate the pH of a solution formed by mixing 250.0 mL of 0.15 M NH4Cl with 100.0 mL of 0.20 M NH3. The Kb for NH3 is 1.8 x 10-5.
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The rate of effusion of a particular gas was measured and found to be 24.0 mL/min. Under the same conditions, the rate of effusion of pure methane (CH4) gas is 47.4 mL/min. What is the molar mass of the unknown gas?
Hydrogen bromide can be produced by a reaction among bromine, sulfer dioxide, and water as follows.S02 + Br2 +H2O (arrow) 2HBr + H2SO4 If 250 grams of SO2 and 650 grams of Br2 react in the presence of excess water, what mass of HBr will be forme
Calculate the formal concentration of a sodium acetate solution prepared by diluting 45.0 mL of a solution containing 25.0 ppm sodium acetate (NaC2H3O2) to a total of 0.500 liters of solution.
Principals of Managerial Finance and Fundamentals of Corporate Finance This is your chance to use your imagination! Create your own company and describe it. Then create the financial portion of your organization’s strategic plan.?
Someone investigating the properties of solutions containing carbonate ions prepared a solution containing 5.639g Na2CO3 in a flask of volume 250m
The rate constant for a certain reaction is = 8.60×10-3 . If the initial reactant concentration was 0.850 , what will the concentration be after 13.0 minutes?
What is the approximate concentration of the solutionapproximate concentration of the solution in {rm mol}/{rm kg}, if 1 {rm mol} of solute particles raises the boiling point of 1 {rm kg} of solvent by 3.63 ^circ {rm C}?
Suppose that GE is trying to prevent Maytag from entering the market for high efficiency clothes dryers. Even though high efficiency dryers are more costly to produce, they are also more profitable as they command sufficiently higher prices from c
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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