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Potassium and sodium chloride are similar in charge and they both have the same anion. When comparing sodium chloride (36 g / 100 mL at 0 oC) and potassium chloride, which has a higher solubility at 0 oC?
A mutant hemoglobin has His146 of the beta chain replaced with a threonine residue. predict what the consequence of this mutation might be. specifically
at 710. mm hg a sample of nitrogen gas occupies 625 ml what volume does the gas occupy if the temperature constant and the pressure increases to 760. mm hg
a sample volume of 0.5ml was pipetted into a beaker treated withreagents to produce an indigo color transferred to a
The mass of an electron is 9.11\times 10^{-31}~\rm kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31\times 10^{-10}~\rm m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00\times10..
How would you expect the dopant to be selenium vacancies or cadmium vacancies and why? If the band gap of CdSe is 1.7 eV define what wavelength would you expect for the photoluminescence of CdSe
The vapor pressure of is 100 at 5.4, and the normal boiling point is 56.8 . what is enthalpy in vaporation in kj/mol?
if 525 mL of gas at 25 degrees celcius is heated to 50 degrees celcius at constant pressure, calculate the new volume.
The emulsifying agent from hand cream, a salt, is prepared from two chemicals. Write the structure of stearic acid.
Consider a voltaic cell which has a copper electrode immersed in a solution of copper (II) sulfate and a zinc electrode immersed in a solution of zinc sulfate. determine Eocell. If the concentration of zinc sulfate is 10 times greater than the con..
Sketch the plot of electrical conductivity anainst titre volume(A VS V) you would expect to observe when the strong acid HCl is titrated with the strong base NaOH. Explain the shape of the plot and clearly indicated the end point
racemic 2-methyl-1-butanol instead of 1-butanol in your experiment, why would you expect to see more than one ether side product?
A 1.8M solution of 65 mL is diluted to a volume of 248 mili litres. A portion of that solutions 124-mili litres is diluted using water of 137 mili litres. Determine the final concentration of this solution?
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