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Describe 4 experimental factor that can influence the retention time of analytes in GLC. Discuss how changing each experimental factor will affect retention time and why.
Would there be a difference in the IR spectrum of R-carvone, S+carvone, and S-carvone?
You conduct an experiment where N2 is collected over water in a 2.12 L flask at 23.oC. At the conclusion of the experiment, the total pressure in the flask is 652. torr. What is the pressure of N2 in the flask?
What is the concentration of an NaOH solution that requires 50.0 ml of a 1.25 M H2SO4 solution to neutralize 78.0 ml of NaOH?
Suppose that 0.35 mol of hydrogen gas and 0.35 mol of clorine gas are placed in a 1L reaction vessel at a certain temperature, and the following reaction comes to equilibrium
450 mL of oxygen is bubbled through water at 10 degrees celsius and exerts 720.0 torr. What volume will the dry gas occupy at 730.0 torr and 10 degrees celcius?
use 60 words or more. define mass and weight. what are the differences between them? some ideas for responses might
A 1.00 L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate the pH of the solution after the addition of 100.0 mL of 1.00 M HCl. The Ka for HF is 3.5E-4
1) Flame colours as an analytical technique: a) The principle behinde how this work
A 5 gallon tank of air at 25 degrees C and 31 psi is connected to a 17 gallon tank of air at 25 degrees C and 12 psi. What is the pressure in combined tanks
Sketch a qualitative MO diagram for [Ni(NH3)6]2+ and identify the portion of the diagram considered by crystal-field theory. Imagine the ammonia ligands were all exchanged with a ?-donor ligand.
How much entropy does this produce per hour in the surroundings at 25.4 °C? Assume the heat transfer is reversible.
If it takes 30.0 mL of 0.0250 M K2Cr2O7 to titrate 15.0 mL of a solution containing Fe2+, what is the molar concentration of Fe2+?
Calculate acidity of sample and express in % (w/v) CH3COOH. show complete solutions and please don't cite websites or like
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