What is the solubility of carbon dioxide
The pressure inside a soda bottle is two atmospheres (1520mmHg). If exactly half this pressure is generated by CO2,what is the solubility of carbon dioxide in a 2 L bottle of rootbeer at 40 oC? The Henry's Law constant forCO2 is 4.45x10-5M/mm Hg.
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Determine (a) the work developed by the turbine, in kJ per kg or air folwing, and (b) the temperature at the exit, in K. Ignore kinetic and potential energy effects.
How many grams of dry NH4Cl need to be added to 2.40 L of a 0.400 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.78? Kb for ammonia is 1.8 x 10^-5.
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Neglecting friction, determine the a) the velocity of B relative to A after it was slid 3 ft down the inclined surface of the wedge. The angle is 30 degrees.
The indicator phenolphthalein is used in this lab and changes from colorless to red at pH around 9 when a base is titrated with an acid.
An isolated cylinder contains 0.3 m3 of steam divided into two (closed) chambers by a piston that can operate adiabatically. Estimate the temperature of the air when it has reached mechanical (e.g., pressure) equilibrium. Steam tables will be helpful
The verbal part of the graduate record exam has a mean (?) of 500 and a standard deviation (?) of 100. Use the normal distribution to answer the following questions:
A buffer is created by mixing equal concentrations of NH4+ and NH3. Calculate the volume of both solutions needed to create a buffer of pH = 8.75 with a total volume of 100 mL.
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