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When 1.000 mol of pcl5 is introduced into a 5.000l container at 500k 78.50% of the pcl5 dissociates to give an equilibrium mixture of pcl5, pcl3, and cl2
calculate the values of Kc and Kp
calculate the pOH and the pH when 45.0mL of 3.00mol/L potassium hydroxide solution is diluted by adding 100.0mL of water
a photon of wavelength 40.0nm is used to eject an electron with the energy 22.3eV from a molecule.calculate the ionization energy of the molecule and tha associated wavelength of the elctron..
How will this inadvertent transfer affect the calculated solubility product for calcium hydroxide. How will this inadvertent transfer affect the calculated molar solubility for calcium hydroxide
Identify the qual 1 cation that is confrimed present in a reference solution by the formation of a precipitate? by the color of a soluble complex ion?
A piece of metal weighing 10.0g is raised in tempreture from 25 C to 76.5C. it is found that it absorbed 47.6 calories of heat in the process.
An unknown compound contains only C, H, and O. Combustion of 5.50 g of this compound prodced 11.0 g of CO2 and 4.50 g of H2O. What is the empirical formula of the unknown compound.
Use the Rydberg equation to predict the wavelength of the electromagnetic radiation emitted for following electron transitions for the hydrogen atom (rounded-off to the nearest 0.1nm).
Calculate the freezing point of a 2.00 molal solution of the nonelectrolyte glucose. The freezing point constant for water is 1.86 °C/molal.
The first mechanism includes sodium acetate to yield beta-penta-acetate and the first mechanism includes zinc chloride (Lewis acid) to form an oxonium ion to yield the alpha-penta-acetate product. Any help to draw out the mechs would be much appre..
In N2O, nitrogen is the central atom and the oxygen atom is terminal. In OF2, however, oxygen is the central atom.Use formal charges to explain why.
How many moles of HCL must be added to 1.50L of 1.70M KOH to obtain a pH of 2.00?
Explain concisely why carbon has two electrons in different p orbitals with parallel spins rather than other possible arrangements.
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