What is the ph at the equivalence point
What is the pH at the equivalence point when when 25.0 mL of 0.189mol/L HN3(aq) is titrated with 0.123 mol/L NaOH(aq)?Assume the temperature is 25oC. (For HN3,pKa=4.72 at 25oC).
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Suppose the distribution of Y, conditional on X = x, is N(x, x2), and marginal of X is U[0,1]. (a) Find Cov(X, Y)
What is the velocity (magnitude and direction) of the passenger with respect to the water? Determine the directional angle relative to due east.
Your boss asks you to calculate the flow through a natural-gas pipeline. Calculate the flow of gas in pounds per minute at the point of injection.
A. Determine the sample size required to estimate a population proportion to within 0.032 with 97.8% confidence, assuming that you have no knowledge of the approximate value of the sample proportion.
Which unit would you most likely use to measure the difference between the elevation of an airplane in flight and the height of a car on a road?
The magnitude of the velocity of point C is 2 m/s, and the magnitude of the acceleration of point C= 14m/s^2. Determine the acceleration of points B and D.
A golf ball rolls off a horizontal cliff with an initial speed of 14.8 m/s. The ball falls a vertical distance of 12.5 m into a lake below. (a) How much time does the ball spend in the air?
Suppose you have an aqueous solution contains 158.2 g KOH per liter, its density is 1.13g/cm3. You want to prepare a 0.250 molal solution of KOH, starting with 100.0ml of the orginal solution.
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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