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Examine the following set of ionization energy values for a certain element. How many valence electrons does an atom of the neutral element possess
Suppose that 1.331 g of impure barium hydroxide is dissolved in enough water to produce 250. mL of solution and that 35.0 mL of this solution is titrated to the stoichiometric point with 17.6 mL of 0.0935 M HCl(aq). What percentage of the impure s..
Calculate the effective radiation dosage (in Sieverts) for a 85-kg person who is exposed to 7.3 × 109 particles of alpha radiation. Assume that 85% of the radiation is absorbed
What is your theoretical yield. i) in mols ii) in grams iii) in mL b) What are other compounds that could possibly form that would decrease your % yield
What is the maximum strength of acetic acid waste ( as TOC in mg/L) that can be discharged without violating either permit requirement. ( recall that TOC in mg/L , measures the number of miligrams of carbon per liter)
Describe the three types of models (layer sequence drawings, computer graphics, balls and sticks) used for visualizing the three dimensional structure of unit cells
The enthalpy of vaporization of ethanol is 38.56 kJ/mol. It has a boiling point of 351.44 K. What is the difference in entropy between ethanol's liquid and gaseous states at 351.44 K? What I'm asking is what is the size of the "jump" on the Sm ver..
what is the role of nh4cl in reduction of camphor with
the boyle temperature is the temperature at which the coefficient b is zero. Therefore, a real gas behaves like an ideal gas at this temperature. (a) Give a physical interpretation of this behavior.
The vapor pressure of water is 439 mm Hg at 358 K, and the enthalpy of vaporization is 40.7 kj/mol.
A flask of unknown volume was filled with air to a pressure of 3.23 atm. This flask was then attached to an evacuated flask with a known volume of 8.00 L, and the air was allowed to expand into the flask.
A 5 m^3 tank comtains methane. the initial temperature and pressure are P=1bar T=18 degrees C. calculate the P following the each of the successive steps using the ideal gas law
a volume of 60.0 ml of aqueous potassium hydroxide koh was titrated against a standard solution of sulfuric acid
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