What is the ph at the half stoichiometric point
What is the pH at the half stoichiometric point, if you are doing a titration with 20.0 mL of 0.200 M trimethylamine and with 0.100M hydrochloric acid? pkb=4.19
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An FM station broadcasts at 106.9 MHz, calculate the wavelength of the corresponding radio waves? What is the amount of energy packaged in a photon with a wavelength of 310 nanometer and calculate the frequency of electromagnetic radiation with a
Prepare a standard of lidocaine in methanol with a final concentration of 1.00 mg/mL using the powder lidocaine/HCl. Show the calculations and explain how you take the salt form into account.
What is the composition of vapor of a pentane-hexane solution that has a vapor pressure of 373 torr at 25 degree celcius? Given is Pure Hexanes and pentanes vapor pressure at 25 degrees celcius. Pentane - 511 torr. Hexane -150 torr.
A chemist dissolves 0.099g of CuSO4 · 5 H2O in water and dilutes the solution to the mark in a 500-mL volumetric flask. A 8.7-mL sample of this solution is then transferred to a second 500-mL volumetric flask and diluted. What is the molari
If you prepare a 1.00 solution of beginning with water at 27.5, what is the final temperature of the solution (in )? Assume that the specific heats of both pure and the solution are the same, 4.18 .
A manufacturer of bicycles has 4819 wheels, 2305 frames, and 2250 handlebars. How many wheels are left over? How many frames are left over? How many handlebars are left over? Which part limits the production of bicycles?
Compare the rates of effusion for oxygen molecules as compared to hydroge molecules. which will effuse faster, and by how much?
Use the Internet to research the Apple Corporation, its current position and reputation regarding ethical and social responsibility, and the strategies that it currently employs to market its products.
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
Problem: An infant with known congenital heart disease presents with weight loss, tachypnea, and hepatomegaly.
For a research topic on evaluating the access to health services for commercial sex workers as a mixed method approach provide the methodology
The healthcare provider ordered a urine culture for a client. Which item would a nurse need for a urine specimen collection from an existing indwelling
The nurse practitioner (NP) evaluates a client with complaints of a burning sensation in the chest that often occurs after meals and is exacerbated
I am writing a dissertation topic on the utility of community based interventions in post exposure support to survivors of IPV in uMzingwane district
A 12-month-old child presents with fever of 100.9, lethargy, vomiting and tachypnea. The history is significant for recent hand-foot-mouth disease infection.