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An atom has the nucleus which consists of some elements, name them?
a three carbon species that has a carbon level of zero at each carbon atom. b) two compounds that contain three carbon atoms and have a carbon atom with a carbon level of 1.
The Ka of HNO2 is 7.1 x 10^-4. Use this to find the volume (mL) and pH of 0.0588 M KOH needed to reach the equivalence point(s) in titrations of 28.5 mL of 0.0380 M HNO2.
the electron-state H atom absorbs a photon of wavelength 93.78 nm. To what energy level does the
calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550mL of solution
Construct a Born-Haber cycle to calculate the lattice enthalpy of TlCl
Presume carry out a TLC separation of acetaminophen as well as phenacetin on silica gel using a non-polar developing solvent. Explain which should have the higher R1 value and why
A 25.0 mL sample of a 0.115 M solution of acetic acid is titrated with a 0.144 M solution of NaOH. Calculate the pH of the titration mixture after 10.0, 20.0, and 30.0 mL of base have been added.
Question- Describe the difference between the three terms that follow as they are used to describe monosaccharides- a) enantiomer b) epimer c) anomer
A buffer is prepared by dissolving HONH_2 and HONH_3NO_3 in some water. Write equation to show how this buffer neutralizes added H+ and OH-
Problem- You are studying a new reaction and measure the DHo as -7.7 kJ/mol and DSo as 44.1 J/mol/K. What is the DGo for this reaction? Report your anser in kJ/mol to the nearest 0.1 kJ/mol. Assume the reaction is occuring at body temperature, 37o..
Calculate the final volume of the gas,and express your answer in milliliters and determine the pressure in the flask if the temperature is raised to 25 degree celcius?
Disscuss by IR spectrum and NMR. On my spectrum, it showed up 3282.57, 16557.91 and 16003.22. What are those wavelength are stand for
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