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A bottle at 285K contains an idea gas at a pressure of 155.7 * 10^3 Pa. The rubber stopper closing the bottle is removed. Gas expands adiabatically against P(external) = 111.4 * 10^3 Pa, and some gas is expelled from the bottle from the process. When P = P(external), the stopper is quickly replaced. The gas remaining in the bottle slowly warms up to 285K. what is the final pressure in the bottle for a diatomic gas for which C(v,m) = 5R/2?
solution of water (Kf = 1.86^ C/m) and glucose freezes at - 2.55^ C. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 ^ C.
How many quartz of ethylene glycol, C2H6O2 (density = 1.116 g/mL). Will have to be added to 5 gal of water (density = 1 g/mL) to protect an automobile radiator down to a temperature of-10 oF?
The rate law for a hypothetical reaction is rate=k[a]2. when the concentration is .10 moles/liter, the rate is 2.7 times 10-5 moles/liter second. what is the value of k?
Determine the empirical formula and the molecular formula of the organic compound. empirical and molecular formula
Using Henry's law, calculate the molar concentration of in the surface water of a mountain lake saturated with air at 20 and an atmospheric pressure of 660 torr.
What is the pH of the solution resulting from the addition of 25.0 mL of .01M NaOH solution to 40.0 mL of .01M acetic acid
Calculate the amount of work that can be obtained from this reservoir before it cools to the temperature of the cold reservoir which is 0C. Assume that the heat capacity of water is constant over this temperature range at 75 J/(mole*K). Calculate ..
The compounds listed above were heated in ethanol and sodium hydroxide for approximately 60 minutes. Then extracted with dichloromethane to get the final product.
An aqueous solution is 22.0% by mass silver nitrate, AgNO3, and has a density of 1.22 g/mL. What is the molarity of silver nitrate in the solution?
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.240 M HClO(aq) with 0.240 M KOH(aq). The ionization constant for HClO can be found here (4.0×10-8).
determine the molecule weight of the liquid and the density of the vapor under these condition?
Which os the dollowing statements is correct concerning the equivalence point in a titration of a weak acid (HA) by a strong base? The pH is less than 7 because HA is a weak acid
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