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A certain substance has a heat of vaporization of 52.17 kJ/mol. At what Kelvin temperature will the vapor pressure be 4.00 times higher than it was at 291 K?
A chemist must dilute of M aqueous potassium iodide solution until the concentration falls to M . He'll do this by adding distilled water to the solution until it reaches a certain final volume.
Calculate the concentrations of all species at equilibrium for the following case.
Consider the titration of 30.0 ml of 0.048 M NH3 with 0.025 M HCI. Calculate the ph after the following volumes of titrant have been added.
Calculate the change in pH when 5.00 mL of .100 M HCL is added to 100 mL of a buffer solution
A student adds 8.10 mL of a 0.490 M HCl solution to the beaker. How much will the pH change? The PKa of acetic acid is 4.760.
Of the list below, which of the following compunds will have the lowest boiling point and which of the compound will have the highest boiling point?
Identify the steric number, shape, hybridization about the central atom and molecular polarity of sulphuryl chloride, SO2Cl2.
water as a solvent for TLC of amino acids have opposed to a 90:7:3 acetate/water/propanioc acid?
A 5.00 Liter cylinder contains 860 g of Ar gas at 27 degrees celsius. Calculate the pressure of the gas in the cylinder
Which protein elutes first from a diethylaminoethyl cellulose ion exchange column with a decreasing pH gradient
Why is it important to not look directly at the flame of burning magnesium should the metal ignite during this experiment?
A yellow line in the sodium emission spectrum has a wavelength of 589 nm. Calculate the frequency of that line. How do I solve this
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