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Problem- Circle the compound in each pair that you would predict to be more soluble in water. Give a very brief explanation for your choice.
a. Nitrogen gas or Hydrogen fluoride gas
b. Quartz crystal or (NH4)2SO4 crystal
Write your solution in appropriate format and provide references
Compute the pH of a solution containing 0.1000 M monosodium glutamate (MSG) that is a extensively used food additive/flavoring agent associated with a taste sensation of "umami" if pKa1 (a-COOH) = 2.16, pKa2 (COOH) = 4.30 and pKa3 (NH3+) = 9.96.
Question- Construct a pigeon-hole diagram for a d^7- metal to illustrate all available microstates (terms) for this electronic configuration. Then construct a Orgel correlation diagram to illustrate how the ground F- and P-states split upon of an ..
Use the tabulated half-cell potentials below to calculate the equilibrium constant (K) for the following balanced redox reaction at 25°C.
What is the correct net ionic equation, including all coefficients, charges, and phases, for the following set of reactants?
A sample of S8(g) is placed in an otherwise empty rigid container at 1325 K at an initial pressure of 1.00 atm, where it decomposes to S2(g) by the reaction S8(g) 4S2(g) At equilibrium, the partial pressure of S8 is 0.25 atm. Calculate Kp for th..
the boiling point of a solution containing 10.44 g of an unknown nonelectrolyte in 50.00 g of acetic acid is 159.2degc.
The solubility of magnesium phosphate at a given temperature is 0.936 g/100 mL. Calculate the Ksp at this temperature.
Using the elements sodium, potassium, calcium, magnesium, carbon, oxygen, nitrogen, fluorine, chlorine, iron, hydrogen and sulphur, provide some key features of the periodic table such as: How they are organised in groups, periods and blocks
The subsequent table gives the first ionization energies for the noble gas elements. Utilizing electron configurations, Define why the first ionization energy decreases with increasing atomic number.
One can approximate boiling point at reduced pressure using a pressure-temperature nomograph. What would you expect the observed boiling point to be at 50 torr for a liquid that has a boiling point of 280 degrees celsius at 760 torr
the age of any remains from a once-living organism can be determined by radiocarbon dating a procedure that works by
Question- A compound contains only boron and hydrogen and is 78.1% boron by mass. A gaseous sample of the compound has a density of 1.05 g/L at 901 torr and 107°C. What is the molecular formula of the compound
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