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A flask of one litre is filled with 1.30 grams of argon gas at the temperature of 25 degrees Celsius. A sample of ethane (C2H6) vapor is combined to this flask until the total pressure becomes 1.10atm now determine the partial pressure of Ar Gas in the flask?
Consider the following reduction potentials: Cu2+ + 2e- -> Cu E° = +0.34 V Pb2+ + 2e- -> Pb E° = -0.13 V For a galvanic cell employing the Cu, Cu2+ and Pb, Pb2+ couples, calculate the maximum amount of work that would accompany the reaction of one..
explain in detail, using thermodynamics principles, why the mixing of pure chemicals to form homogeneous mixture is a so-called spontaneous process
4HCl MnO2=MnCl2 2H2O Cl2. When .375 moles of HCl reacts with excess MnO2, a.) How many moles of Cl2 form? b.)How many grams of Cl2 form?
If you were to carry out saponification of ethyl tridecanoate, would you expect the product to generate foam/froth when mixed and agitated with water? Explain.
At 2000C Kc is 2.4^3 for 2NO N2+O2, the initial concentration of NO is .170M what is the equilibrium concentration of NO?
Consider ATR sampling using a trapezoidal ZnSe crystal. In the mid-infrared region, refractive indices for ZnSe and water are approximately 2.4 and 1.3, respectively. What is the penetration depth (?m) for IR radiation of 1600 cm-1 if it strikes t..
If the pressure exerted by ozone, O3, in the stratosphere is 3.0 times 10^- 3 atm and the temperature is 254 K, how many ozone molecules are in a liter?
A 1.245 gram sample of a compound containing barium and oxygen was dissolved in hydrochloric acid to give a solution of barium ion, which was then completely precipitated out with an excess potassium chromate to give 2.012 grams of barium chromate..
Assuming that equal numbers of moles of each were released into the air at ground level, rank these four compounds in terms of their potential to catalytically destroy ozone in the stratosphere. Explain
How many grams of TiCl4 are needed to react completely with 155 L of H2 at 435 oC and 795 mm Hg pressure?
The electrolysis of molten A12O3 at 980 ºC is used to produce metallic aluminum. A current of 658 A is used in the electrolysis cell. What is the rate of formation of aluminum, in kilograms per hour
What substance is in excess? D) How many grams of the excess reactant is leftover (remaining) after the reaction stops
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