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In order to study air quality, a 45.01 L sample of air was collected at the McMurdo station, near the south pole, on an August day, when the temperature was a typical -31 oC. The atmospheric pressure that day was 1.09 atm. The sample was compressed into a 3.59 L bottle for shipment back to the lab in Urbana, for analysis.
What was the pressure of the sample when it was loaded onto the plane, still at -31oC?
What was the pressure of the sample when it was unloaded in Urbana the next day and the temperature was a typical 31.7oC?
hard candy is made from very hot solutions of sugar and water with small amounts of added flavorings. in a typical
Some 2-methyl-2-butene may be produced in the reaction as a by-product. Give a mechanism for its production.
A 31.3g wafer of pure gold initially at 69.3^\circ C is submerged into 64.1g of water at 27.7^\circ C in an insulated container. What is the final temperature of both substances at thermal equilibrium
If 500 g of KCIO3, decomposes and produces 303 g of KCl, how many grams of O2 are produced?
Write a mechanism for the acid-catalyzed transesterification reaction of ethyl acetate with 1-butanol, which gives butyl acetate.
What is the osmotic pressure of human blood at 37°C if human blood is isotonic to 0.16 M NaCl solution? Remember that NaCl almost completely ionizes in water.
What is the pH of the formic acid solution before you begin titrating? b. What is the pH after 50.0 mL of the potassium hydroxide solution has been added?
How many grams of sodium formate, NaCHO2, would have to be dissolved in 1.1 L of 0.20 M formic acid (pKa 3.74) to make the solution a buffer for pH 3.82
how many grams of dry need to be added to 2.30 of a 0.400 solution of ammonia to prepare a buffer solution that has a
If a procedure calls for 2.0mL of concentrated nitric acid, what are the mass and moles of HNO3 actually used in the reaction
Consider the chemical reaction 2NH3(g) N2(g) + 3H2(g). The equilibrium is to be established in a 1.0 L container at 1,000 K, where Kc = 4.0 ? 10-2. Initially, 1,220 moles of NH3(g) are present. Calculate Kp for the reaction.
What are the annual CO2 emissions based on your vehicle use, vehicle's fuel consumption and a justified general combustion equation? Please use 10,000 miles as a reasonable estimate for annual vehicle use and use a published gas mileage for any sp..
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